IAA RAS IAA Minor Planet Database

2017 WJ16

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2148719201 ± 7.10e-09
Semi-major axis (a)0.8223094180 AU ± 1.13e-09
Inclination (i)5.69149324° ± 3.58e-06
Long. of Asc. Node (Ω)58.73983355° ± 2.27e-06
Arg. of Perihelion (ω)186.90628043° ± 1.12e-05
Mean Anomaly (M)63.26500008° ± 1.44e-05
Mean Motion (n)1.3217806193°/day ± 2.73e-09
Perihelion dist (q)0.64561821 AU ± 5.91e-09
Aphelion dist (Q)0.99900062 AU ± 6.00e-09
Orbital Period0.74568069 yr ± 1.54e-09
Physical Parameters
H (abs. magnitude)24.45
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.336″
Uncertainty0
Orbit TypeAten
MOID0.007173 AU
Observations Used146
Radar Obs Used2
Oppositions1
Arc Total2017-2020
First Observation Used2017-11-25
Last Observation Used2020-12-04
Observations (151)
Date Type RA Dec Mag Band Observatory
2020-11-17 02:03:52 C 08 36 46.06 +05 23 46.2 – V L01
2020-11-17 09:29:04 C 08 34 17.56 +06 27 29.0 – o 711
2020-11-17 09:32:17 C 08 34 16.15 +06 27 56.6 – o 711
2020-11-17 09:35:30 C 08 34 14.72 +06 28 24.6 – o 711
2020-11-17 10:03:21 C 08 34 02.77 +06 32 01.8 – q 858
2020-11-17 10:25:08 C 08 33 53.14 +06 35 13.0 – q 858
2020-11-17 10:34:58 C 08 33 44.82 +06 36 19.5 – q H36
2020-11-17 10:40:29 C 08 33 42.36 +06 37 07.6 – q H36
2020-11-17 10:46:02 C 08 33 39.88 +06 37 56.3 – q H36
2020-11-17 10:46:55 C 08 33 43.46 +06 38 24.6 – q 858
2020-11-17 10:51:33 C 08 33 37.41 +06 38 44.7 – q H36
2020-11-17 13:23:31 C 08 32 51.90 +07 02 57.1 – V T05
2020-11-17 13:27:28 C 08 32 50.06 +07 03 32.7 – V T05
2020-11-17 13:31:26 C 08 32 48.23 +07 04 07.5 – V T05
2020-11-17 13:38:41 C 08 32 44.84 +07 05 12.9 – V T05
2020-11-19 03:52:27 C 08 15 39.95 +13 43 03.4 – q 215
2020-11-19 03:54:52 C 08 15 38.44 +13 43 32.8 – q 215
2020-11-19 03:57:17 C 08 15 36.93 +13 44 02.4 – q 215
2020-11-19 09:02:21 C 08 13 09.66 +14 48 49.5 – V 703
2020-11-19 09:09:57 C 08 13 04.74 +14 50 29.0 – V 703
2020-11-19 09:17:34 C 08 12 59.73 +14 52 07.6 – V 703
2020-11-19 09:25:11 C 08 12 54.72 +14 53 46.9 – V 703
2020-11-21 07:23:42 C 07 39 17.19 +26 33 15.1 – V 703
2020-11-21 07:31:32 C 07 39 08.90 +26 35 41.0 – V 703
2020-11-21 07:47:12 C 07 38 52.41 +26 40 30.0 – V 703
2020-11-21 12:32:47 C 07 33 27.90 +28 07 11.7 – V I52
2020-11-21 12:33:04 C 07 33 27.59 +28 07 16.6 – V I52
2020-11-21 12:33:58 C 07 33 26.52 +28 07 32.9 – V I52
2020-11-21 12:34:15 C 07 33 26.20 +28 07 37.7 – V I52
2020-11-21 23:10:13 C 07 22 31.29 +31 23 23.1 – V 595
2020-11-21 23:19:19 C 07 22 19.74 +31 26 24.5 – V 595
2020-11-21 23:22:49 C 07 22 15.32 +31 27 33.7 – V 595
2020-11-22 00:41:17 C 07 20 32.26 +31 53 01.8 – V 246
2020-11-22 00:41:32 C 07 20 31.91 +31 53 07.2 – V 246
2020-11-22 00:41:42 C 07 20 31.72 +31 53 10.2 – V 246
2020-11-22 00:41:50 C 07 20 31.52 +31 53 12.9 – V 246
2020-11-22 00:42:00 C 07 20 31.31 +31 53 16.0 – V 246
2020-11-22 00:42:08 C 07 20 31.12 +31 53 18.8 – V 246
2020-11-22 00:42:18 C 07 20 30.94 +31 53 21.9 – V 246
2020-11-22 11:08:35 C 07 06 49.27 +35 21 34.4 – V G96
2020-11-23 09:22:12 C 06 31 42.33 +42 46 54.8 – U I41
2020-11-23 09:22:42 C 06 31 41.20 +42 47 04.8 – U I41
2020-11-23 09:50:48 C 06 30 43.48 +42 56 22.6 – U I41
2020-11-23 14:06:23 C 06 22 11.60 +44 21 28.9 – V T05
2020-11-23 14:11:00 C 06 22 01.50 +44 22 54.6 – V T05
2020-11-23 14:19:03 C 06 21 43.87 +44 25 23.9 – V T05
2020-11-23 14:37:31 C 06 21 03.38 +44 31 04.0 – V T05
2020-11-23 20:12:56 C 06 10 46.75 +46 08 13.7 – V Z80
2020-11-23 20:19:35 C 06 10 32.55 +46 10 26.8 – V Z80
2020-11-23 20:26:15 C 06 10 18.38 +46 12 39.9 – V Z80
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2020-11-21 12:20:00 15261898.62 1 us 8560 -14 -14
2020-11-22 12:00:00 14220442.83 1 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)