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
2023-10-15 10:02:24 C 03 38 58.826 +17 03 44.80 X F51
2023-10-15 10:41:52 C 03 39 00.130 +17 03 52.17 X F51
2023-10-15 11:01:01 C 03 39 00.763 +17 03 56.12 X F51
2023-11-04 08:52:09 C 03 56 45.68 +19 02 31.7 V 691
2023-11-04 08:56:34 C 03 56 45.83 +19 02 33.5 V 691
2023-11-04 09:00:58 C 03 56 45.95 +19 02 34.9 V 691
2023-11-04 09:42:27 C 03 56 47.281 +19 02 50.14 V G96
2023-11-04 09:49:50 C 03 56 47.537 +19 02 52.84 V G96
2023-11-04 09:57:12 C 03 56 47.792 +19 02 55.72 V G96
2023-11-04 10:04:34 C 03 56 48.026 +19 02 58.42 V G96
2023-11-04 12:46:49 C 03 56 54.879 +19 04 08.28 X F51
2023-11-04 13:01:38 C 03 56 55.365 +19 04 13.93 X F51
2023-11-04 13:16:26 C 03 56 55.848 +19 04 19.34 X F51
2023-11-04 13:31:17 C 03 56 56.344 +19 04 24.72 X F51
2023-11-08 13:10:17 C 04 01 15.555 +19 47 15.90 X F51
2023-11-08 13:28:55 C 04 01 16.286 +19 47 24.95 X F51
2023-11-08 13:47:29 C 04 01 17.029 +19 47 33.93 X F51
2023-11-08 14:06:04 C 04 01 17.782 +19 47 42.91 X F51
2023-11-11 06:42:50 C 04 04 48.202 +20 24 52.85 V 703
2023-11-11 06:50:30 C 04 04 48.551 +20 24 58.43 V 703
2023-11-11 06:58:11 C 04 04 48.932 +20 25 02.75 V 703
2023-11-11 07:05:53 C 04 04 49.300 +20 25 08.69 V 703
2023-11-11 10:42:22 C 04 05 01.608 +20 27 38.95 V T05
2023-11-11 10:44:58 C 04 05 01.711 +20 27 40.46 V T05
2023-11-11 11:20:17 C 04 05 03.293 +20 28 03.58 V T05
2023-11-11 11:27:54 C 04 05 03.691 +20 28 08.72 V T05
2023-11-11 11:32:07 C 04 05 03.830 +20 28 09.91 V T05
2023-11-17 10:11:59 C 04 16 06.096 +22 34 07.61 V T05
2023-11-17 10:14:35 C 04 16 06.353 +22 34 11.17 V T05
2023-11-17 10:19:15 C 04 16 06.727 +22 34 16.50 V T05
2023-11-17 11:06:04 C 04 16 10.702 +22 35 12.34 V T05
2023-11-18 08:08:29 C 04 18 29.244 +23 01 06.02 V U55
2023-11-18 08:19:40 C 04 18 30.391 +23 01 20.89 V U55
2023-11-18 08:30:32 C 04 18 31.498 +23 01 35.58 V U55
2023-11-18 17:47:59 C 04 19 36.967 +23 14 12.52 X O75
2023-11-18 17:52:25 C 04 19 37.529 +23 14 18.98 X O75
2023-11-18 17:56:53 C 04 19 38.017 +23 14 25.04 X O75
2023-11-18 19:45:54 C 04 19 50.26 +23 17 06.2 V O18
2023-11-18 19:55:18 C 04 19 51.26 +23 17 19.0 V O18
2023-11-18 20:04:43 C 04 19 52.27 +23 17 31.8 V O18
2023-11-19 11:17:46 C 04 21 50.914 +23 40 12.04 V T05
2023-11-19 11:22:36 C 04 21 51.408 +23 40 19.63 V T05
2023-11-19 12:13:19 C 04 21 57.194 +23 41 35.41 V T05
2023-11-19 12:23:02 C 04 21 58.236 +23 41 50.46 V T05
2023-11-19 20:30:48 C 04 23 05.21 +23 54 09.0 V O18
2023-11-19 20:40:14 C 04 23 06.40 +23 54 23.6 V O18
2023-11-19 20:49:41 C 04 23 07.60 +23 54 38.0 V O18
2023-11-20 09:52:13 C 04 25 03.457 +24 16 29.35 V 703
2023-11-20 10:00:40 C 04 25 04.595 +24 16 42.89 V 703
2023-11-20 10:09:07 C 04 25 05.765 +24 16 56.89 V 703
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)