Discoveries of NEOs, comets, and distant/unusual minor planets
using the SkySift pipeline

See also: Discoveries of astronomical transients made with SkySift

Object
Type
Discovery station
Date (UT)
Mag.
Motion
(deg/day)
Elong.
(deg)
Airmass
Galactic
latitude
(deg)
Reference
2022 SK4 NEO, close approach
at 14,940 km from earth
on 2022 Sept. 19.90 UT		 SONEAR (Y00) 2022 Sept. 20 16.7
44.8
123.9
1.18
-49.8
 MPEC 2022-S130
2022 RS1 NEO SONEAR (Y00) 2022 Sept. 4 16.7
15.8
148.5
1.01
-39.4
 MPEC 2022-R89
2022 OD NEO SONEAR (Y00) 2022 July 20 16.3
32.3
136.2
1.33
-21.5
 MPEC 2022-O14
2021 RB1 NEO SONEAR (Y00) 2021 Sept. 5 16.9
20.1
141.9
1.01
-78.6
 MPEC 2021-R97
2021 RA NEO SONEAR (Y00) 2021 Sept. 2 15.3
41.3
143.7
1.14
-55.7
 MPEC 2021-R43
2020 RM1 NEO SONEAR (Y00) 2020 Sept. 8 15.8
54.5
160.3
1.26
-74.8
 MPEC 2020-R57
2020 QU6 NEO OCA (X74) 2020 Aug. 27 17.9
1.34
117.1
1.62
-38.3
 MPEC 2020-Q228
C/2020 O2 (Amaral) Long-period comet OCA (X74) 2020 July 23 18.1
0.19
106.6
1.27
+07.3
 MPEC 2020-P10,
CBET 4822
C/2020 J1 (SONEAR) Long-period comet SONEAR (Y00) 2020 May 1 16.7
0.18
81.7
2.00
-57.5
 MPEC 2020-J37,
CBET 4769
P/2020 G1 (Pimentel) Periodic comet SONEAR (Y00) 2020 Apr. 13 15.2
2.21
50.0
1.66
-25.7
 MPEC 2020-H06,
CBET 4754,
CBET 4759
2019 OK NEO, close approach
at 71,400 km from earth
on 2019 July 25.06 UT;
largest asteroid known to have
passed this close to Earth in
a century		 SONEAR (Y00) 2019 July 24 14.7
1.53
170.6
1.24
-35.4
 MPEC 2019-O56,
CNEOS news article
2019 NM4 NEO OCA (X74) 2019 July 6 17.5
6.64
148.7
1.20
-33.4
 MPEC 2019-N113
2019 NC1 NEO OCA (X74) 2019 July 1 18.1
0.96
143.9
1.25
-33.2
 MPEC 2019-N55
2019 MK2 NEO OCA (X74) 2019 June 29 18.6
1.08
139.6
1.38
-42.6
 MPEC 2019-N07
2018 NV NEO SONEAR (Y00) 2018 July 8 16.5
8.38
138.3
1.03
+27.3
 MPEC 2018-N31
2018 MG7 Potentially Hazardous
Asteroid (PHA)		 SONEAR (Y00) 2018 June 20 16.1
7.85
145.3
1.02
-32.7
 MPEC 2018-M93
2018 HW1 NEO SONEAR (Y00) 2018 Apr. 23 15.2
24.2
137.2
1.09
+04.8
 MPEC 2018-H82
C/2018 E2 (Barros) Long-period comet SONEAR (Y00) 2018 Mar. 12 19.4
0.41
77.4
1.21
-42.8
 CBET 4495,
MPEC 2018-F11
2017 TA4 NEO SONEAR (Y00) 2017 Oct. 12 18.2
0.97
122.6
1.25
-63.3
 MPEC 2017-T77
2017 NN6 Potentially Hazardous
Asteroid (PHA)		 SONEAR (Y00) 2017 July 14 17.0
1.00
157.3
1.46
-20.5
 MPEC 2017-O10
2017 NT5 NEO SONEAR (Y00) 2017 July 12 15.3
4.84
163.0
1.92
-28.8
 MPEC 2017-N73
C/2017 K6 (Jacques) Long-period comet SONEAR (Y00) 2017 May 29 17.5
0.38
103.9
1.35
-53.9
 CBET 4399,
MPEC 2017-L06
2017 GK6 NEO SONEAR (Y00) 2017 Apr. 5 16.6
37.7
151.0
1.11
+41.6
 MPEC 2017-G83
C/2017 D2 (Barros) Long-period comet SONEAR (Y00) 2017 Feb. 23 17.4
0.41
57.4
1.95
-21.7
 CBET 4366,
MPEC 2017-E05
C/2017 A3 (Elenin) Long-period comet ISON-SSO (Q60) 2017 Jan. 5 17.6
0.37
106.2
1.27
-20.6
 CBET 4344,
MPEC 2017-A75
2016 QA2 NEO, close approach
at 81,000 km from earth
on 2016 Aug. 28.06 UT		 SONEAR (Y00) 2016 Aug. 27 15.5
10.6
131.2
1.07
-75.6
 MPEC 2016-Q25
2016 PR8 Potentially Hazardous
Asteroid (PHA)		 SONEAR (Y00) 2016 Aug. 7 19.4
0.63
154.6
1.12
-47.4
 MPEC 2016-P63
2016 OO NEO SONEAR (Y00) 2016 July 25 18.8
1.30
167.0
1.70
-29.8
 MPEC 2016-O408
2016 ON NEO SONEAR (Y00) 2016 July 23 19.0
0.21
151.2
1.70
-31.8
 MPEC 2016-O404
2016 NO56 NEO SONEAR (Y00) 2016 July 6 16.5
44.5
141.8
1.00
-48.7
 MPEC 2016-S43
2016 NX NEO ISON-SSO (Q60) 2016 July 3 16.8
0.72
178.5
1.02
-11.7
 MPEC 2016-N32
2016 NA NEO SONEAR (Y00) 2016 July 1 15.8
43.2
163.1
1.13
-18.1
 MPEC 2016-N05
2016 JC6 Potentially Hazardous
Asteroid (PHA)		 SONEAR (Y00) 2016 May 3 16.2
4.61
126.9
1.49
-07.5
 MPEC 2016-J59
2016 HO NEO SONEAR (Y00) 2016 Apr. 24 15.6
25.6
145.2
1.25
+78.2
 MPEC 2016-H43
2016 HL Potentially Hazardous
Asteroid (PHA)		 SONEAR (Y00) 2016 Apr. 19 15.4
3.98
147.7
1.18
+17.1
 MPEC 2016-H37
C/2015 X4 (Elenin) Long-period comet ISON-NM (H15) 2015 Dec. 3 18.2
0.20
160.1
1.44
-00.4
 CBET 4216,
MPEC 2015-X105
2015 VA106 NEO ISON-NM (H15) 2015 Nov. 13 17.2
3.34
144.9
1.25
-02.0
 MPEC 2015-V160
2015 SA NEO SONEAR (Y00) 2015 Sept. 16 16.5
26.6
157.7
1.39
-42.0
 MPEC 2015-S33
2015 RT83 NEO ISON-NM (H15) 2015 Sept. 15 19.7
0.61
137.7
1.00
-27.8
 MPEC 2015-S37
2015 RG36 NEO ISON-SSO (Q60) 2015 Sept. 11 19.6
0.39
145.5
1.12
-66.5
 MPEC 2015-R98
2015 RD2 NEO ISON-SSO (Q60) 2015 Sept. 5 19.8
0.56
153.1
1.02
-66.9
 MPEC 2015-R27
2015 RV1 NEO ISON-SSO (Q60) 2015 Sept. 4 19.4
0.90
155.6
1.24
-33.9
 MPEC 2015-R20
P/2015 Q2 (Pimentel) Periodic comet SONEAR (Y00) 2015 Aug. 24 18.8
1.41
111.0
1.37
-61.9
 CBET 4140,
MPEC 2015-R02
2015 QB NEO ISON-SSO (Q60) 2015 Aug. 17 19.1
1.48
156.4
1.21
-55.5
 MPEC 2015-Q19
P/2015 PD229 (ISON-Cameron) Periodic comet ISON-SSO (Q60) 2015 Aug. 15 18.6
0.11
163.7
1.24
-54.2
 MPEC 2015-Q17,
MPEC 2016-C02
2015 PK9 NEO SONEAR (Y00) 2015 Aug. 10 15.8
9.87
160.9
1.01
-22.5
 MPEC 2015-P28
2015 OM NEO SONEAR (Y00) 2015 July 18 18.5
2.40
153.2
1.18
-36.8
 MPEC 2015-O23
2015 LK24 Potentially Hazardous
Asteroid (PHA)		 ISON-NM (H15) 2015 June 14 18.1
2.24
143.3
1.22
+13.5
 MPEC 2015-M09
2015 KQ154 NEO SONEAR (Y00) 2015 May 25 16.1
3.21
157.1
1.13
+06.9
 MPEC 2015-K126
C/2015 F4 (Jacques) Long-period comet SONEAR (Y00) 2015 Mar. 27 16.4
0.36
77.6
2.79
-27.7
 CBET 4085,
MPEC 2015-F159
2015 BL311 Potentially Hazardous
Asteroid (PHA)		 SONEAR (Y00) 2015 Jan. 21 17.0
2.36
160.9
1.21
+07.9
 MPEC 2015-B114
2014 YU43 NEO ISON-NM (H15) 2014 Dec. 30 19.2
1.02
163.4
1.13
+01.8
 MPEC 2015-A14
P/2014 X1 (Elenin) Periodic comet ISON-NM (H15) 2014 Dec. 12 18.1
0.50
161.3
1.22
+01.9
 CBET 4034,
MPEC 2014-X66
2014 TX57 NEO Tenagra II (926) 2014 Oct. 15 19.9
0.07
147.7
1.23
-22.4
 MPEC 2014-U12
2014 TY33 Potentially Hazardous
Asteroid (PHA)		 SONEAR (Y00) 2014 Oct. 10 16.5
7.27
171.3
1.35
-62.3
 MPEC 2014-T59
2014 TG18 NEO SONEAR (Y00) 2014 Oct. 3 18.5
3.30
141.3
1.58
-81.5
 MPEC 2014-T52
2014 RP12 NEO SONEAR (Y00) 2014 Sept. 6 19.0
0.54
123.5
1.13
-67.0
 MPEC 2014-R77
2014 QW296 NEO SONEAR (Y00) 2014 Aug. 16 18.9
0.33
156.5
1.04
-60.9
 MPEC 2014-Q89
2014 QA33 NEO SONEAR (Y00) 2014 Aug. 19 16.2
2.57
143.1
1.13
-41.0
 MPEC 2014-Q23
2014 PR62 NEO SONEAR (Y00) 2014 Aug. 14 18.0
1.57
165.7
1.17
-32.7
 MPEC 2014-Q05
2014 PT59 NEO SONEAR (Y00) 2014 Aug. 13 17.4
1.27
166.8
1.20
-30.0
 MPEC 2014-Q02
2014 PL51 NEO SONEAR (Y00) 2014 Aug. 4 18.2
0.99
133.3
1.36
-61.4
 MPEC 2014-P36
2014 OA2 NEO SONEAR (Y00) 2014 July 23 18.4
0.70
175.8
1.01
-29.8
 MPEC 2014-O32
2014 NA64 NEO SONEAR (Y00) 2014 July 15 17.2
0.95
165.4
1.04
-18.8
 MPEC 2014-O07
2014 KP4 Potentially Hazardous
Asteroid (PHA)		 SONEAR (Y00) 2014 May 20 16.2
2.87
166.3
1.08
+15.3
 MPEC 2014-K35
C/2014 F2 (Tenagra) Long-period comet Tenagra II (926) 2014 Mar. 31 19.8
0.30
108.7
1.52
+31.1
 CBET 3843,
MPEC 2014-G12
C/2014 E2 (Jacques) Long-period comet SONEAR (Y00) 2014 Mar. 13 14.7
1.11
138.5
1.47
+24.9
 CBET 3828,
MPEC 2014-E84
C/2014 B1 (Schwartz) Long-period comet,
perihelion at 9.53 AU
(at the time of its
discovery, this comet had
the fifth highest perihelion
distance among all known
comets)		 Tenagra II (926) 2014 Jan. 28 19.9
0.07
136.8
1.61
-10.6
 CBET 3797,
MPEC 2014-C03
C/2014 A4 (SONEAR) Long-period comet SONEAR (Y00) 2014 Jan. 12 18.1
0.24
114.2
1.07
-27.9
 CBET 3783,
MPEC 2014-B03
2013 XZ8 Centaur, most distant
discovery made at Tenagra
(r = 12.1 AU)		 Tenagra II (926) 2013 Dec. 6 20.0
0.07
155.0
1.07
+05.5
 MPC database
C/2013 U2 (Holvorcem) Long-period comet,
perihelion at 5.11 AU		 Tenagra II (926) 2013 Oct. 23 18.7
0.12
120.2
1.22
+11.1
 CBET 3683,
MPEC 2013-U84
P/2013 T2 (Schwartz) Jupiter-family comet Tenagra II (926) 2013 Oct. 15 18.8
0.16
133.6
1.04
-13.2
 CBET 3676,
MPEC 2013-U18
C/2013 G9 (Tenagra) Long-period comet,
perihelion at 5.34 AU		 Tenagra II (926) 2013 Apr. 15 19.6
0.17
130.7
1.27
+25.6
 CBET 3478,
MPEC 2013-H23
P/2013 EW90 (Tenagra) Jupiter-family comet Tenagra II (926) 2013 Mar. 3 19.0
0.24
166.5
1.94
+67.6
 CBET 3522,
MPEC 2013-J52
C/2013 D1 (Holvorcem) Jupiter-family comet
(slightly unusual)		 Tenagra II (926) 2013 Feb. 17 19.6
0.11
145.9
1.52
+47.6
 CBET 3420,
MPEC 2013-D41
C/2013 C2 (Tenagra) Chiron-type comet
(active Centaur, one of the
few known comets with
perihelion beyond 9 AU)		 Tenagra II (926) 2013 Feb. 14 19.1
0.06
152.6
1.72
+33.3
 CBET 3417,
MPEC 2013-D22
2013 CK89 NEO Tenagra II (926) 2013 Feb. 11 19.7
0.53
155.2
1.76
+35.1
 MPEC 2013-C68
2013 AB53 NEO Tenagra II (926) 2013 Jan. 7 18.9
0.34
167.7
1.43
+12.7
 MPEC 2013-A58
2012 YM3 Unusual minor planet Tenagra II (926) 2012 Dec. 20 19.3
0.12
176.0
1.45
-00.9
 MPEC 2012-Y21
2012 XO144 Unusual minor planet Tenagra II (926) 2012 Dec. 13 19.4
0.18
157.3
2.05
+03.6
 MPEC 2012-X102,
MPEC 2012-X103
2012 XE112 NEO Tenagra II (926) 2012 Dec. 10 18.7
0.86
159.3
1.08
+06.9
 MPEC 2012-X73
2012 XY6 Potentially Hazardous
Asteroid (PHA)		 Tenagra II (926) 2012 Dec. 3 19.5
0.44
158.9
1.05
-08.7
 MPEC 2012-X22
274P/2012 WX32 (Tombaugh-Tenagra) Jupiter-family comet,
rediscovered after being
lost since 1931		 Tenagra II (926) 2012 Nov. 27 18.2
0.14
137.3
1.08
+18.1
 CBET 3329,
MPEC 2012-X13,
CBET 3342,
MPEC 2012-X79,
MPEC 2012-Y43
2012 VJ82 NEO Tenagra II (926) 2012 Nov. 14 19.5
0.64
157.6
1.85
-17.8
 MPEC 2012-W8,
MPEC 2012-Y40
2012 TX78 NEO Tenagra II (926) 2012 Oct. 9 19.3
0.34
148.8
1.32
-54.8
 MPEC 2012-U10
P/2012 TK8 (Tenagra) Jupiter-family comet
(quasi-Hilda)		 Tenagra II (926) 2012 Oct. 6 19.6
0.18
170.5
1.06
-48.1
 CBET 3262,
MPEC 2012-U41
2012 TV NEO, close approach
at 255,000 km from earth
on 2012 Oct. 7.62 UT		 Tenagra II (926) 2012 Oct. 5 17.6
1.75
173.4
1.08
-51.4
 MPEC 2012-T16
C/2011 K1 (Schwartz-Holvorcem) Long-period comet Tenagra II (926) 2011 May 26 19.2
0.63
165.8
1.86
+13.7
 IAUC 9211,
MPEC 2011-L04
2011 KF4 NEO Tenagra II (926) 2011 May 22 19.4
0.53
169.2
2.13
+24.7
 MPEC 2011-K20
2011 KP17 NEO Tenagra II (926) 2011 May 12 20.2
0.26
150.1
1.33
+18.6
 MPEC 2011-L03
2010 LN14 Potentially Hazardous
Asteroid (PHA)		 Tenagra II (926) 2010 June 6 19.1
1.43
159.3
1.99
+23.8
 MPEC 2010-L30
2010 KA8 NEO Tenagra II (926) 2010 May 19 18.5
1.31
169.5
2.14
+20.8
 MPEC 2010-K32
C/2005 N1 (Juels-Holvorcem) Long-period comet Fountain Hills (678) 2005 July 2 14.6
1.01
46.8
2.23
-19.1
 IAUC 8557,
MPEC 2005-N10

The SkySift pipeline is available for licensing. If you would like to try SkySift on your NEO/comet/minor planet/nova/supernova/transient search or follow-up images, and/or to purchase a license, please contact Paulo Holvorcem.

You may also wish to check this presentation about SkySift at the 2015 Winter Star Party.

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