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
2017-11-01 05:30:37 C 06 10 28.42 +25 29 57.7 U G40
2017-11-01 05:50:32 C 06 10 27.37 +25 30 12.8 U G40
2017-11-01 23:51:51 C 06 09 54.61 +25 43 50.8 q 160
2017-11-01 23:53:00 C 06 09 54.55 +25 43 51.6 q 160
2017-11-01 23:54:07 C 06 09 54.47 +25 43 52.7 q 160
2017-11-02 09:18:22 C 06 09 33.51 +25 51 17.1 u 926
2017-11-02 09:39:29 C 06 09 32.35 +25 51 33.6 u 926
2017-11-02 09:58:52 C 06 09 31.25 +25 51 48.5 u 926
2017-11-02 12:39:23 C 06 09 25.98 +25 54 00.1 T05
2017-11-02 12:53:15 C 06 09 25.19 +25 54 10.8 T05
2017-11-02 13:18:25 C 06 09 23.71 +25 54 30.0 T05
2017-11-02 13:19:43 C 06 09 23.63 +25 54 30.9 T05
2017-11-04 22:56:21 C 06 07 10.97 +26 33 17.7 U Z80
2017-11-04 23:02:46 C 06 07 10.68 +26 33 22.3 U Z80
2017-11-04 23:08:21 C 06 07 10.35 +26 33 26.8 U Z80
2017-11-08 22:53:39 C 06 02 47.03 +27 28 12.3 U Z80
2017-11-08 22:55:24 C 06 02 46.91 +27 28 12.4 U Z80
2017-11-08 22:57:08 C 06 02 46.80 +27 28 14.3 U Z80
2017-11-08 22:58:52 C 06 02 46.68 +27 28 15.2 U Z80
2017-11-08 23:00:37 C 06 02 46.60 +27 28 16.2 U Z80
2017-11-08 23:02:21 C 06 02 46.53 +27 28 16.9 U Z80
2017-11-08 23:04:05 C 06 02 46.41 +27 28 17.2 U Z80
2017-11-08 23:05:49 C 06 02 46.38 +27 28 18.0 U Z80
2017-11-09 15:31:41 C 06 01 51.65 +27 37 03.3 o F65
2017-11-09 15:32:56 C 06 01 51.57 +27 37 04.1 o F65
2017-11-09 15:34:12 C 06 01 51.47 +27 37 04.5 o F65
2017-11-10 13:11:08 C 06 00 46.44 +27 47 22.4 U T05
2017-11-10 13:11:49 C 06 00 46.41 +27 47 22.5 U T05
2017-11-10 13:12:29 C 06 00 46.36 +27 47 22.9 U T05
2017-11-10 13:17:36 C 06 00 45.99 +27 47 25.1 U T05
2017-11-13 02:45:17 C 05 57 23.80 +28 13 21.3 U G40
2017-11-13 03:00:18 C 05 57 22.72 +28 13 27.4 U G40
2017-11-13 04:10:20 C 05 57 17.55 +28 13 54.6 U G40
2017-11-14 12:50:49 C 05 55 23.73 +28 26 08.9 U T05
2017-11-14 13:06:24 C 05 55 22.53 +28 26 14.4 U T05
2017-11-14 13:07:44 C 05 55 22.43 +28 26 15.1 U T05
2017-11-16 12:17:09 C 05 52 31.67 +28 41 47.2 U T08
2017-11-16 12:32:34 C 05 52 30.48 +28 41 52.1 U T08
2017-11-16 12:34:15 C 05 52 30.34 +28 41 52.5 U T08
2017-11-16 13:00:12 C 05 52 28.32 +28 42 00.3 U T08
2017-11-17 03:07:00 C 05 51 34.98 +28 45 49.6 q 160
2017-11-17 03:08:56 C 05 51 34.83 +28 45 50.2 q 160
2017-11-19 03:00:14 C 05 48 33.21 +28 58 40.7 q 160
2017-11-19 03:03:10 C 05 48 33.01 +28 58 41.4 q 160
2017-11-19 03:06:08 C 05 48 32.76 +28 58 41.8 q 160
2017-11-20 11:49:47 C 05 46 27.84 +29 06 38.2 U T08
2017-11-20 11:53:12 C 05 46 27.55 +29 06 38.4 U T08
2017-11-20 12:06:03 C 05 46 26.52 +29 06 41.7 U T08
2017-11-20 12:06:46 C 05 46 26.46 +29 06 41.7 U T08
2017-11-20 12:07:25 C 05 46 26.40 +29 06 41.8 U T08
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)