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
2010-04-12 03:30:39 C 10 39 20.12 +26 07 57.9 o H21
2010-04-12 03:35:45 C 10 39 23.81 +26 07 19.0 o H21
2010-04-12 04:45:55 C 10 40 14.98 +25 58 31.5 u H45
2010-04-12 04:46:38 C 10 40 15.47 +25 58 26.3 u H45
2010-04-12 04:47:39 C 10 40 16.24 +25 58 18.1 u H45
2010-04-12 04:48:39 C 10 40 16.95 +25 58 10.6 u H45
2010-04-12 04:49:43 C 10 40 17.71 +25 58 02.1 u H45
2010-04-12 04:50:39 C 10 40 18.39 +25 57 55.2 u H45
2010-04-14 01:23:17 C 11 09 10.07 +20 41 52.0 o I15
2010-04-14 01:39:46 C 11 09 18.93 +20 40 04.3 o I15
2010-04-14 01:48:59 C 11 09 23.87 +20 39 03.8 o I15
2010-04-15 06:25:22 C 11 23 58.98 +17 42 11.0 o 291
2010-04-15 06:31:01 C 11 24 01.51 +17 41 37.7 o 291
2010-04-15 06:36:41 C 11 24 04.03 +17 41 04.8 o 291
2010-04-17 04:14:38 C 11 42 50.64 +13 39 08.7 o H26
2010-04-17 04:15:53 C 11 42 51.09 +13 39 02.7 o H26
2010-04-17 04:17:07 C 11 42 51.53 +13 38 56.4 o H26
2010-04-17 04:19:35 C 11 42 52.36 +13 38 44.9 o H26
2010-04-17 04:20:48 C 11 42 52.83 +13 38 38.7 o H26
2010-04-17 04:22:03 C 11 42 53.26 +13 38 33.3 o H26
2010-04-17 04:23:15 C 11 42 53.68 +13 38 27.4 o H26
2010-04-17 04:24:28 C 11 42 54.06 +13 38 21.8 o H26
2010-04-17 04:25:41 C 11 42 54.54 +13 38 15.4 o H26
2010-04-17 05:47:25 C 11 43 23.91 +13 31 58.5 o 291
2010-04-17 05:53:09 C 11 43 25.91 +13 31 31.1 o 291
2010-04-17 05:58:56 C 11 43 27.79 +13 31 03.2 o 291
2010-04-18 06:47:00 C 11 51 45.33 +11 39 20.9 o 291
2010-04-18 06:52:46 C 11 51 47.06 +11 38 56.9 o 291
2010-04-18 06:58:12 C 11 51 48.63 +11 38 33.2 o 291
2010-04-19 05:59:54 C 11 58 38.73 +10 05 11.0 o 693
2010-04-19 06:01:19 C 11 58 39.10 +10 05 05.4 o 693
2010-04-19 06:06:52 C 11 58 40.44 +10 04 43.9 o 693
2010-04-19 06:22:07 C 11 58 44.46 +10 03 44.8 o 693
2010-05-03 07:09:10 C 12 51 06.23 -02 07 59.8 o 291
2010-05-03 07:22:32 C 12 51 07.33 -02 08 15.3 o 291
2010-05-05 07:55:36 C 12 55 17.04 -03 03 24.5 o 291
2010-05-05 08:00:53 C 12 55 17.41 -03 03 30.5 o 291
2010-05-05 08:10:05 C 12 55 18.12 -03 03 40.2 o 291
2010-05-07 08:07:13 C 12 59 03.24 -03 52 09.7 o 291
2010-05-07 08:12:39 C 12 59 03.63 -03 52 14.8 o 291
2010-05-07 08:17:58 C 12 59 03.96 -03 52 20.2 o 291
2010-05-09 05:02:25 C 13 02 19.68 -04 33 09.9 r G96
2010-05-09 05:12:44 C 13 02 20.32 -04 33 18.6 r G96
2010-05-09 05:33:15 C 13 02 21.66 -04 33 35.2 r G96
2010-05-13 06:26:09 C 13 08 43.80 -05 50 25.7 o 291
2010-05-13 06:31:29 C 13 08 44.12 -05 50 29.9 o 291
2010-05-13 06:36:48 C 13 08 44.39 -05 50 33.5 o 291
2010-05-16 07:26:41 C 13 13 07.02 -06 40 20.2 o 291
2010-05-16 07:32:04 C 13 13 07.32 -06 40 23.9 o 291
2010-05-16 07:37:22 C 13 13 07.60 -06 40 26.8 o 291
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)