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
2017-11-22 12:32:59 C 05 43 16.61 +29 16 08.0 U T05
2017-11-22 12:46:39 C 05 43 15.51 +29 16 10.5 U T05
2017-11-22 13:14:50 C 05 43 13.29 +29 16 14.5 U T05
2017-11-22 13:17:30 C 05 43 13.08 +29 16 15.1 U T05
2017-11-22 23:14:39 C 05 42 36.65 +29 17 39.9 d Z35
2017-11-22 23:36:40 C 05 42 34.95 +29 17 43.3 d Z35
2017-11-22 23:56:41 C 05 42 33.45 +29 17 48.6 d Z35
2017-11-24 11:29:23 C 05 40 13.05 +29 23 28.1 U T08
2017-11-24 11:43:35 C 05 40 11.93 +29 23 30.0 U T08
2017-11-24 12:11:04 C 05 40 09.76 +29 23 34.0 U T08
2017-11-24 12:15:08 C 05 40 09.45 +29 23 34.4 U T08
2017-11-28 00:28:05 C 05 34 42.75 +29 32 11.8 q 160
2017-11-28 00:31:02 C 05 34 42.54 +29 32 11.9 q 160
2017-11-28 00:34:01 C 05 34 42.33 +29 32 12.1 q 160
2017-11-30 02:30:34 C 05 31 35.72 +29 35 10.1 q W34
2017-11-30 03:01:57 C 05 31 33.57 +29 35 13.2 q W34
2017-11-30 03:14:59 C 05 31 32.69 +29 35 14.7 q W34
2017-12-06 01:08:09 C 05 23 10.42 +29 35 52.2 q 160
2017-12-06 01:11:11 C 05 23 10.24 +29 35 50.9 q 160
2017-12-06 01:14:12 C 05 23 10.03 +29 35 51.7 q 160
2017-12-06 07:25:49 C 05 22 49.84 +29 35 43.0 u H21
2017-12-06 07:28:36 C 05 22 49.65 +29 35 42.8 u H21
2017-12-06 07:31:42 C 05 22 49.45 +29 35 42.4 u H21
2017-12-06 07:34:48 C 05 22 49.27 +29 35 42.4 u H21
2017-12-06 07:37:55 C 05 22 49.06 +29 35 42.1 u H21
2017-12-06 07:41:01 C 05 22 48.88 +29 35 41.9 u H21
2017-12-06 07:44:06 C 05 22 48.68 +29 35 41.7 u H21
2017-12-06 07:47:11 C 05 22 48.50 +29 35 41.8 u H21
2017-12-06 07:50:28 C 05 22 48.29 +29 35 41.7 u H21
2017-12-07 17:23:34 C 05 21 01.11 +29 34 23.8 q D29
2017-12-07 18:04:18 C 05 20 58.65 +29 34 21.5 q D29
2017-12-12 10:50:11 C 05 15 32.80 +29 26 46.9 U T05
2017-12-12 10:52:12 C 05 15 32.68 +29 26 46.8 U T05
2017-12-12 11:17:13 C 05 15 31.38 +29 26 44.3 U T05
2017-12-12 11:20:49 C 05 15 31.18 +29 26 43.9 U T05
2017-12-21 07:01:05 C 05 08 08.39 +29 03 47.7 U 703
2017-12-21 07:09:28 C 05 08 08.09 +29 03 46.5 U 703
2017-12-21 07:17:49 C 05 08 07.84 +29 03 45.6 U 703
2017-12-21 07:26:11 C 05 08 07.56 +29 03 43.7 U 703
2017-12-24 12:17:48 C 05 06 26.16 +28 54 11.6 U T05
2017-12-24 12:35:53 C 05 06 25.75 +28 54 09.0 U T05
2017-12-24 12:53:32 C 05 06 25.34 +28 54 06.3 U T05
2017-12-24 13:11:52 C 05 06 24.90 +28 54 03.1 U T05
2022-11-22 01:25:09 C 21 44 17.754 -13 53 01.07 V G96
2022-11-22 01:33:19 C 21 44 19.655 -13 52 49.30 V G96
2022-11-22 01:49:41 C 21 44 23.356 -13 52 25.50 V G96
2022-12-10 02:34:23 C 23 24 52.960 -02 10 39.14 V G96
2022-12-10 02:42:33 C 23 24 54.709 -02 10 25.64 V G96
2022-12-10 02:50:44 C 23 24 56.509 -02 10 11.42 V G96
2022-12-10 02:58:51 C 23 24 58.266 -02 09 57.64 V G96
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)