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
1998-11-18 06:20:51 C 03 47 54.04 +21 05 31.5 18.1 a 704
1998-11-18 07:25:09 C 03 47 54.30 +21 06 34.8 18.7 a 704
1998-11-18 08:29:10 C 03 47 54.59 +21 07 38.1 18.7 a 704
1998-11-18 09:33:59 C 03 47 54.92 +21 08 41.3 18.8 a 704
1998-11-18 23:23:33 C 03 48 15.38 +21 23 01.5 046
1998-11-18 23:25:52 C 03 48 15.42 +21 23 03.7 046
1998-11-18 23:27:56 C 03 48 15.41 +21 23 05.9 046
1998-11-18 23:30:14 C 03 48 15.44 +21 23 08.5 046
1998-11-19 03:14:08 C 03 48 23.69 +21 27 19.0 734
1998-11-19 03:20:02 C 03 48 23.82 +21 27 26.5 734
1998-11-19 03:25:56 C 03 48 23.91 +21 27 33.5 734
1998-11-19 04:14:51 C 03 48 25.11 +21 28 32.9 18.0 a 704
1998-11-19 04:46:24 C 03 48 25.43 +21 29 10.2 18.5 a 704
1998-11-19 05:17:55 C 03 48 25.78 +21 29 46.4 18.8 a 704
1998-11-19 05:49:31 C 03 48 25.86 +21 30 22.6 19.3 a 704
1998-11-19 06:21:07 C 03 48 26.16 +21 30 58.8 19.0 a 704
1998-11-19 12:12:15 C 03 48 36.37 +21 37 34.8 z 402
1998-11-19 12:14:15 C 03 48 36.36 +21 37 38.0 z 402
1998-11-19 12:16:14 C 03 48 36.44 +21 37 40.2 z 402
1998-11-19 12:18:14 C 03 48 36.48 +21 37 42.8 z 402
1998-11-19 12:50:49 C 03 48 36.89 +21 39 32.5 b 426
1998-11-19 12:55:46 C 03 48 36.85 +21 39 38.5 b 426
1998-11-19 13:01:31 C 03 48 36.92 +21 39 46.1 b 426
1998-11-19 19:04:02 C 03 48 46.82 +21 45 22.1 557
1998-11-19 19:07:25 C 03 48 46.86 +21 45 26.4 557
1998-11-19 19:10:44 C 03 48 46.95 +21 45 30.4 557
1998-11-19 22:03:56 C 03 48 49.38 +21 49 12.4 c 106
1998-11-19 22:22:59 C 03 48 49.58 +21 49 36.0 c 106
1998-11-19 22:36:59 C 03 48 49.77 +21 49 52.3 c 106
1998-11-19 22:48:22 C 03 48 50.19 +21 50 07.1 z 587
1998-11-19 22:59:45 C 03 48 50.29 +21 50 21.0 z 587
1998-11-19 23:06:10 C 03 48 49.93 +21 50 28.6 c 106
1998-11-20 01:43:16 C 03 48 55.79 +21 55 04.4 z 860
1998-11-20 01:57:30 C 03 48 55.99 +21 55 21.7 z 860
1998-11-20 02:44:58 C 03 48 52.92 +21 54 49.9 118
1998-11-20 02:49:07 C 03 48 52.99 +21 54 54.5 118
1998-11-20 03:49:20 C 03 49 00.83 +21 56 29.8 17.4 a 704
1998-11-20 04:04:55 C 03 49 01.00 +21 56 50.3 17.3 a 704
1998-11-21 06:05:51 C 03 49 43.84 +22 32 21.5 17.9 a 704
1998-11-21 07:00:42 C 03 49 44.43 +22 33 43.0 17.5 a 704
1998-11-21 07:54:27 C 03 49 44.97 +22 35 01.2 18.3 a 704
1998-11-21 08:47:58 C 03 49 45.58 +22 36 20.9 18.8 a 704
1998-11-21 09:41:49 C 03 49 46.13 +22 37 35.5 19.5 a 704
1998-11-23 15:18:44 C 03 51 52.39 +24 13 12.9 360
1998-11-23 15:22:30 C 03 51 52.47 +24 13 20.8 360
1998-11-23 15:25:30 C 03 51 52.53 +24 13 27.0 360
1998-11-23 21:42:06 C 03 52 12.43 +24 26 38.3 118
1998-11-23 21:44:17 C 03 52 12.49 +24 26 43.4 118
1998-11-23 21:51:23 C 03 52 12.69 +24 26 58.8 118
1998-11-23 23:10:58 C 03 52 15.17 +24 29 53.5 557
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)