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
2023-11-25 23:05:40 C 05 00 21.283 +30 17 34.84 X M26
2023-11-25 23:09:23 C 05 00 22.834 +30 17 50.68 X M26
2023-11-26 09:30:22 C 05 05 17.746 +31 03 06.52 V U52
2023-11-26 09:33:08 C 05 05 19.169 +31 03 18.94 V U52
2023-11-28 19:04:25 C 05 47 47.40 +36 31 32.3 V C23
2023-11-28 19:05:34 C 05 47 48.68 +36 31 41.0 V C23
2023-11-28 19:07:53 C 05 47 51.08 +36 31 58.7 V C23
2023-11-29 18:25:35 C 06 17 18.67 +39 26 36.3 V C23
2023-11-29 18:27:54 C 06 17 22.16 +39 26 54.5 V C23
2023-11-29 18:30:56 C 06 17 26.93 +39 27 19.9 V C23
2023-12-02 22:07:01 C 09 42 12.15 +44 14 55.3 V C40
2023-12-02 22:11:59 C 09 42 30.47 +44 14 19.1 V C40
2023-12-02 22:16:52 C 09 42 48.28 +44 13 43.7 V C40
2023-12-02 22:58:02 C 09 45 18.89 +44 08 33.8 V C40
2023-12-02 23:03:13 C 09 45 37.82 +44 07 53.6 V C40
2023-12-02 23:08:18 C 09 45 56.39 +44 07 14.0 V C40
2023-12-03 12:24:32 C 10 34 10.296 +41 38 01.39 V T05
2023-12-03 12:28:44 C 10 34 24.730 +41 37 04.37 V T05
2023-12-03 13:14:17 C 10 37 00.437 +41 26 35.48 V T05
2023-12-03 13:25:06 C 10 37 37.198 +41 24 03.49 V T05
2023-12-04 10:44:22 C 11 44 03.246 +35 02 52.87 V 703
2023-12-04 10:47:30 C 11 44 11.540 +35 01 51.78 V 703
2023-12-04 10:50:37 C 11 44 19.900 +35 00 50.65 V 703
2023-12-04 10:53:45 C 11 44 28.208 +34 59 49.67 V 703
2010-04-07 06:00:13 C 08 30 21.99 +40 44 52.2 r 703
2010-04-07 06:07:38 C 08 30 32.47 +40 44 09.4 r 703
2010-04-07 06:15:02 C 08 30 42.91 +40 43 26.6 r 703
2010-04-07 06:22:29 C 08 30 53.49 +40 42 44.4 r 703
2010-04-07 06:38:46 C 08 31 16.86 +40 41 08.9 r 703
2010-04-07 06:39:41 C 08 31 18.08 +40 41 03.2 r 703
2010-04-07 06:40:35 C 08 31 19.30 +40 40 58.3 r 703
2010-04-07 06:41:32 C 08 31 20.60 +40 40 53.1 r 703
2010-04-07 07:48:06 C 08 32 55.42 +40 34 20.2 r 703
2010-04-07 07:49:06 C 08 32 56.76 +40 34 14.6 r 703
2010-04-07 07:50:07 C 08 32 58.23 +40 34 08.8 r 703
2010-04-07 07:51:06 C 08 32 59.92 +40 34 02.1 r 703
2010-04-07 07:52:07 C 08 33 01.22 +40 33 55.9 r 703
2010-04-07 07:57:14 C 08 33 08.60 +40 33 27.2 c 854
2010-04-07 08:02:34 C 08 33 16.23 +40 32 54.0 c 854
2010-04-07 08:07:53 C 08 33 23.84 +40 32 22.8 c 854
2010-04-07 21:14:30 C 08 51 53.80 +39 12 35.9 u J95
2010-04-07 21:15:46 C 08 51 55.50 +39 12 27.7 u J95
2010-04-07 21:17:02 C 08 51 57.21 +39 12 19.0 u J95
2010-04-08 03:23:47 C 09 00 14.62 +38 32 30.5 c 926
2010-04-08 03:26:09 C 09 00 17.69 +38 32 14.4 c 926
2010-04-08 03:28:31 C 09 00 20.77 +38 31 58.2 c 926
2010-04-09 21:45:08 C 09 50 57.96 +33 13 29.7 u 160
2010-04-09 21:48:54 C 09 51 01.85 +33 12 59.3 u 160
2010-04-09 21:52:50 C 09 51 05.92 +33 12 27.7 u 160
2010-04-09 21:57:05 C 09 51 10.30 +33 11 53.5 u 160
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)