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
1998-11-23 23:13:18 C 03 52 15.25 +24 29 58.9 557
1998-11-23 23:15:39 C 03 52 15.34 +24 30 04.1 557
1998-11-24 04:19:49 C 03 52 34.99 +24 41 55.9 17.8 a 704
1998-11-24 05:29:28 C 03 52 37.04 +24 44 41.1 18.2 a 704
1998-11-24 06:38:23 C 03 52 38.81 +24 47 27.6 18.4 a 704
1998-11-24 07:47:59 C 03 52 40.68 +24 50 10.4 18.2 a 704
1998-11-24 08:56:17 C 03 52 42.57 +24 52 49.8 18.0 a 704
1998-11-24 22:52:20 C 03 53 33.26 +25 27 44.6 118
1998-11-24 22:54:27 C 03 53 33.34 +25 27 50.4 118
1998-11-24 22:59:05 C 03 53 33.51 +25 28 02.6 118
1998-11-24 23:51:33 C 03 53 35.85 +25 30 21.5 046
1998-11-24 23:53:32 C 03 53 35.89 +25 30 26.6 046
1998-11-24 23:55:27 C 03 53 35.97 +25 30 31.5 046
1998-11-26 13:08:38 C 03 56 24.54 +27 27 52.1 z 402
1998-11-26 13:10:39 C 03 56 24.66 +27 27 59.8 z 402
1998-11-26 13:12:39 C 03 56 24.78 +27 28 07.7 z 402
1998-11-28 14:07:33 C 04 02 11.69 +31 17 57.2 z 402
1998-11-28 14:09:33 C 04 02 11.93 +31 18 09.3 z 402
1998-11-28 14:11:32 C 04 02 12.14 +31 18 21.6 z 402
1998-11-28 17:35:00 C 04 02 37.28 +31 38 51.0 360
1998-11-28 17:37:59 C 04 02 37.69 +31 39 09.1 360
1998-11-28 17:40:30 C 04 02 38.03 +31 39 23.9 360
1998-11-28 20:05:09 C 04 03 15.09 +31 54 08.7 118
1998-11-28 20:09:35 C 04 03 15.71 +31 54 37.7 118
1998-11-28 20:12:00 C 04 03 16.08 +31 54 53.7 118
1998-11-28 21:28:49 C 04 03 28.22 +32 03 23.4 z 587
1998-11-28 21:31:27 C 04 03 28.58 +32 03 40.4 z 587
1998-11-28 21:37:08 C 04 03 29.36 +32 04 17.8 z 587
1998-11-28 23:48:00 C 04 03 47.41 +32 18 50.9 z 104
1998-11-28 23:49:35 C 04 03 47.66 +32 19 01.1 z 104
1998-11-28 23:52:09 C 04 03 47.89 +32 19 11.7 z 104
1998-11-28 23:52:46 C 04 03 48.10 +32 19 22.6 z 104
1998-11-29 14:33:10 C 04 06 50.93 +34 07 32.2 z 402
1998-11-29 14:35:09 C 04 06 51.26 +34 07 47.9 z 402
1998-11-29 14:37:09 C 04 06 51.63 +34 08 04.4 z 402
1998-12-03 05:44:37 C 05 13 01.24 +58 02 18.8 z 670
1998-12-03 06:01:22 C 05 13 39.58 +58 11 02.4 z 670
1998-12-03 06:04:37 C 05 13 47.04 +58 12 44.5 z 670
1998-12-03 06:46:37 C 05 15 25.08 +58 34 41.9 z 670
1998-12-03 06:52:37 C 05 15 38.97 +58 37 46.2 z 670
1998-12-03 07:00:37 C 05 15 58.06 +58 41 58.6 z 670
2010-04-06 01:12:51 S 07 47 30.228 +42 54 54.68 L C51
2010-04-06 02:48:12 S 07 49 55.834 +42 49 21.68 L C51
2010-04-08 19:38:19 C 09 21 04.61 +36 36 10.4 c A48
2010-04-08 19:40:50 C 09 21 07.60 +36 35 51.2 c A48
2010-04-08 19:43:21 C 09 21 10.77 +36 35 32.5 c A48
2010-04-08 19:45:52 C 09 21 13.78 +36 35 13.5 c A48
2010-04-08 20:51:04 C 09 22 32.43 +36 27 00.6 u B23
2010-04-08 21:03:35 C 09 22 46.52 +36 25 21.9 v B03
2010-04-08 21:11:47 C 09 22 56.33 +36 24 19.9 v B03
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)