1998 WB2

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5866222125 ± 9.95e-09
Semi-major axis (a)1.9724692029 AU ± 1.43e-09
Inclination (i)2.37247269° ± 1.36e-06
Long. of Asc. Node (Ω)52.12293891° ± 1.19e-05
Arg. of Perihelion (ω)78.84930613° ± 1.37e-05
Mean Anomaly (M)241.27954697° ± 2.44e-07
Mean Motion (n)0.3557926151°/day ± 3.87e-10
Perihelion dist (q)0.81537496 AU ± 1.96e-08
Aphelion dist (Q)3.12956345 AU ± 1.98e-08
Orbital Period2.77022693 yr ± 3.01e-09
NGA Modelr2
A2-1.95856111e-14 ± 2.91e-15 AU/d²
Physical Parameters
H (abs. magnitude)21.85
G (slope)0.15
Alternative Designations

2010 GJ7

Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.356″
Uncertainty0
Orbit TypeApollo
MOID0.014541 AU
Observations Used319
Radar Obs Used3
Oppositions16
Arc Total1998-2023
First Observation Used1998-11-18
Last Observation Used2010-04-10
Observations (356)
Date Type RA Dec Mag Band Observatory
2010-04-08 21:19:58 C 09 23 06.15 +36 23 17.7 v B03
2010-04-08 21:28:09 C 09 23 15.96 +36 22 15.2 v B03
2010-04-08 21:37:41 C 09 23 29.21 +36 21 03.1 u J95
2010-04-08 21:42:45 C 09 23 35.27 +36 20 24.9 u J95
2010-04-08 21:48:23 C 09 23 42.00 +36 19 42.1 u J95
2010-04-08 23:00:36 C 09 25 06.78 +36 10 36.1 v 204
2010-04-08 23:05:51 C 09 25 13.03 +36 09 55.7 v 204
2010-04-08 23:11:05 C 09 25 19.28 +36 09 15.2 v 204
2010-04-08 23:17:08 C 09 25 26.49 +36 08 28.6 v 204
2010-04-08 23:22:02 C 09 25 32.34 +36 07 51.0 v 204
2010-04-09 02:20:49 C 09 29 11.59 +35 45 46.2 o H21
2010-04-09 02:24:52 C 09 29 16.29 +35 45 15.1 o H21
2010-04-09 02:28:55 C 09 29 20.98 +35 44 44.1 o H21
2010-04-09 02:32:58 C 09 29 25.64 +35 44 13.1 o H21
2010-04-09 02:37:15 C 09 29 30.60 +35 43 40.2 o H21
2010-04-09 04:28:05 C 09 31 40.69 +35 29 43.5 r 703
2010-04-09 04:32:01 C 09 31 42.76 +35 28 46.9 o H26
2010-04-09 04:34:32 C 09 31 45.68 +35 28 26.6 o H26
2010-04-09 04:35:37 C 09 31 49.29 +35 28 44.8 r 703
2010-04-09 04:37:01 C 09 31 48.59 +35 28 07.1 o H26
2010-04-09 04:38:16 C 09 31 49.97 +35 27 57.6 o H26
2010-04-09 04:43:12 C 09 31 57.93 +35 27 46.7 r 703
2010-04-09 04:50:44 C 09 32 06.46 +35 26 47.9 r 703
2010-04-09 07:42:11 C 09 35 21.44 +35 03 45.4 o H26
2010-04-09 07:55:58 C 09 35 37.13 +35 01 54.7 o H26
2010-04-09 08:02:09 C 09 35 44.30 +35 01 04.6 o H26
2010-04-09 08:03:22 C 09 35 45.60 +35 00 55.0 o H26
2010-04-09 08:04:37 C 09 35 47.06 +35 00 45.0 o H26
2010-04-09 21:26:47 C 09 50 39.77 +33 16 04.2 w 213
2010-04-09 21:29:18 C 09 50 42.41 +33 15 44.4 w 213
2010-04-09 21:40:02 C 09 50 53.48 +33 14 17.8 w 213
2010-04-09 21:46:35 C 09 51 00.26 +33 13 25.2 w 213
2010-04-11 01:33:48 C 10 18 08.16 +29 30 40.0 o H21
2010-04-11 01:36:44 C 10 18 10.72 +29 30 16.6 o H21
2010-04-11 01:39:43 C 10 18 13.28 +29 29 52.9 o H21
2010-04-11 01:42:40 C 10 18 15.83 +29 29 29.6 o H21
2010-04-11 01:45:14 C 10 18 18.04 +29 29 09.3 o H21
2010-04-11 01:48:05 C 10 18 20.50 +29 28 46.6 o H21
2010-04-11 05:33:56 C 10 21 33.25 +28 58 52.6 u H45
2010-04-11 05:35:15 C 10 21 34.40 +28 58 41.5 u H45
2010-04-11 05:38:28 C 10 21 37.06 +28 58 16.0 u H45
2010-04-11 05:39:34 C 10 21 38.04 +28 58 06.6 u H45
2010-04-11 05:41:06 C 10 21 39.32 +28 57 54.3 u H45
2010-04-11 05:42:06 C 10 21 40.19 +28 57 46.5 u H45
2010-04-11 05:43:54 C 10 21 41.70 +28 57 31.2 u H45
2010-04-12 01:41:00 C 10 38 00.03 +26 21 45.5 o H26
2010-04-12 01:43:28 C 10 38 01.85 +26 21 25.9 o H26
2010-04-12 01:44:43 C 10 38 02.67 +26 21 17.2 o H26
2010-04-12 03:27:25 C 10 39 17.77 +26 08 22.3 o H21
2010-04-12 03:29:02 C 10 39 18.94 +26 08 10.1 o H21
Radar Observations (3)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2023-12-02 07:20:00 29770891.28 2 us 8560 -14 -14
2023-12-02 07:40:00 29731384.51 0.5 us 8560 -14 -14
2023-12-03 07:30:00 28129148.88 0.5 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)