496817 (1989 VB)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4601554069 ± 3.08e-09
Semi-major axis (a)1.8618659382 AU ± 1.31e-09
Inclination (i)2.18435699° ± 8.97e-07
Long. of Asc. Node (Ω)37.83399525° ± 1.36e-05
Arg. of Perihelion (ω)330.93109875° ± 1.38e-05
Mean Anomaly (M)73.57353775° ± 1.36e-06
Mean Motion (n)0.3879624256°/day ± 4.09e-10
Perihelion dist (q)1.00511826 AU ± 5.78e-09
Aphelion dist (Q)2.71861362 AU ± 6.05e-09
Orbital Period2.54051995 yr ± 2.68e-09
Physical Parameters
H (abs. magnitude)19.99
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.293″
Uncertainty0
Orbit TypeApollo
MOID0.015902 AU
Observations Used279
Radar Obs Used6
Oppositions17
Arc Total1989-2022
First Observation Used1989-11-03
Last Observation Used2022-12-27
Observations (304)
Date Type RA Dec Mag Band Observatory
2017-07-14 00:43:32 C 19 46 18.32 -29 59 40.3 q Y00
2017-07-14 01:00:37 C 19 46 17.76 -29 59 49.8 q Y00
2017-07-14 01:19:03 C 19 46 16.97 -29 59 59.0 q Y00
2017-07-24 02:57:50 C 19 36 28.98 -32 11 34.7 q Y00
2017-07-24 03:14:08 C 19 36 28.06 -32 11 43.9 q Y00
2017-07-24 03:30:33 C 19 36 27.07 -32 11 53.1 q Y00
2017-07-26 04:30:41 C 19 34 02.42 -32 40 31.6 q W88
2017-07-26 04:40:39 C 19 34 01.83 -32 40 37.5 q W88
2017-07-26 05:00:42 C 19 34 00.66 -32 40 48.9 q W88
2017-08-10 12:02:19 C 19 13 54.21 -36 30 15.2 v Q62
2017-08-10 12:39:46 C 19 13 51.55 -36 30 39.4 v Q62
2017-08-16 08:46:47 C 19 06 23.07 -38 05 39.2 L T05
2017-08-16 08:58:47 C 19 06 22.27 -38 05 46.9 L T05
2017-08-16 09:10:44 C 19 06 21.41 -38 05 54.9 L T05
2017-08-16 09:21:44 C 19 06 24.55 -38 05 18.4 v Q62
2017-08-16 09:22:44 C 19 06 20.57 -38 06 02.2 L T05
2017-08-16 09:39:55 C 19 06 23.38 -38 05 32.1 v Q62
2017-08-16 09:45:00 C 19 06 23.02 -38 05 35.8 v Q62
2017-08-16 09:48:55 C 19 06 22.76 -38 05 38.8 v Q62
2017-08-28 09:11:19 C 18 54 50.90 -41 49 44.1 v Q62
2017-08-28 10:44:32 C 18 54 46.15 -41 51 12.2 v Q62
2017-08-30 10:14:31 C 18 53 40.37 -42 36 50.6 v Q62
2017-08-30 10:33:17 C 18 53 39.47 -42 37 10.2 v Q62
2017-08-30 23:46:18 C 18 53 26.31 -42 50 30.0 q W88
2017-08-31 00:17:28 C 18 53 24.91 -42 51 03.9 q W88
2017-08-31 01:36:42 C 18 53 21.28 -42 52 25.6 q W88
2017-09-04 10:14:13 C 18 52 13.24 -44 53 54.7 v Q62
2017-09-04 10:17:07 C 18 52 13.13 -44 53 58.3 v Q62
2017-09-08 10:11:47 C 18 52 45.70 -47 18 25.6 v Q62
2017-09-08 10:26:55 C 18 52 45.32 -47 18 51.2 v Q62
2017-09-11 13:56:58 C 18 54 32.85 -49 47 38.2 q Q68
2017-09-11 13:59:45 C 18 54 32.93 -49 47 43.7 q Q68
2017-09-12 09:55:26 C 18 55 30.93 -50 35 32.0 q Q68
2017-09-12 09:59:08 C 18 55 30.92 -50 35 40.8 q Q68
2017-09-12 10:40:41 C 18 55 30.84 -50 37 25.3 17.0 q Q62
2017-09-12 10:42:34 C 18 55 30.87 -50 37 29.5 17.2 q Q62
2017-09-12 10:44:11 C 18 55 30.84 -50 37 33.8 17.1 q Q62
2017-09-12 11:01:39 C 18 55 30.56 -50 38 08.5 q Q68
2017-09-14 09:29:42 S 18 58 11.722 -52 43 37.27 L C51
2017-09-14 10:12:02 C 18 58 13.97 -52 46 38.3 v Q62
2017-09-14 10:31:07 C 18 58 14.20 -52 47 33.4 v Q62
2017-09-14 12:38:12 S 18 58 25.034 -52 53 05.39 L C51
2017-09-14 14:27:51 C 18 58 21.33 -52 58 12.9 q Q68
2017-09-14 14:40:51 C 18 58 22.03 -52 58 47.2 q Q68
2017-09-14 15:46:42 S 18 58 38.700 -53 02 41.24 L C51
2017-09-14 18:55:12 S 18 58 52.764 -53 12 25.85 L C51
2017-09-14 20:29:27 S 18 58 59.97 -53 17 21.1 L C51
2017-09-14 22:03:42 S 18 59 07.29 -53 22 18.7 L C51
2017-09-14 23:37:58 S 18 59 14.69 -53 27 18.1 L C51
2017-09-15 00:00:29 C 18 59 15.91 -53 29 19.8 17.0 q I39
Radar Observations (6)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2017-10-03 10:20:00 -180191.753 0.5 Hz 8560 -14 -14
2017-10-03 10:30:00 23996339.94 2 us 8560 -14 -14
2017-10-03 10:30:00 -181144.696 0.3 Hz 8560 -14 -14
2017-10-03 13:00:00 24195070.9 0.5 us 8560 -14 -14
2017-10-04 10:00:00 26072204.437 0.2 us 8560 -14 -14
2017-10-10 11:10:00 43139408.2 0.5 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)