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
2023-11-20 10:17:34 C 04 25 06.913 +24 17 10.93 V 703
2023-11-21 12:09:51 C 04 29 28.354 +25 05 44.74 V T05
2023-11-21 12:15:05 C 04 29 29.194 +25 05 55.03 V T05
2023-11-21 12:22:29 C 04 29 30.338 +25 06 09.68 V T05
2023-11-21 12:37:16 C 04 29 32.712 +25 06 38.99 V T05
2023-11-21 20:34:48 C 04 31 08.46 +25 22 14.4 V C23
2023-11-21 20:38:02 C 04 31 09.13 +25 22 21.3 V C23
2023-11-21 20:41:15 C 04 31 09.70 +25 22 28.3 V C23
2023-11-21 20:44:30 C 04 31 10.29 +25 22 35.1 V C23
2023-11-22 05:33:19 C 04 32 56.209 +25 42 15.73 V 703
2023-11-22 05:41:45 C 04 32 57.754 +25 42 35.57 V 703
2023-11-22 05:50:13 C 04 32 59.341 +25 42 54.94 V 703
2023-11-22 05:58:39 C 04 33 00.932 +25 43 15.06 V 703
2023-11-22 07:55:19 C 04 33 22.532 +25 47 41.89 V G96
2023-11-22 08:02:42 C 04 33 23.904 +25 47 58.63 V G96
2023-11-22 08:10:05 C 04 33 25.276 +25 48 15.30 V G96
2023-11-22 08:17:31 C 04 33 26.662 +25 48 32.15 V G96
2023-11-22 22:16:30 C 04 36 34.70 +26 21 23.2 M32
2023-11-22 22:20:04 C 04 36 35.47 +26 21 32.1 M32
2023-11-22 22:23:39 C 04 36 36.24 +26 21 41.1 M32
2023-11-22 22:27:13 C 04 36 37.00 +26 21 50.0 M32
2023-11-22 22:30:48 C 04 36 37.77 +26 21 59.0 M32
2023-11-23 05:31:47 C 04 38 22.420 +26 40 12.07 V G96
2023-11-23 05:39:16 C 04 38 24.112 +26 40 32.48 V G96
2023-11-23 05:46:43 C 04 38 25.796 +26 40 52.54 V G96
2023-11-23 05:54:10 C 04 38 27.478 +26 41 12.73 V G96
2023-11-23 09:23:16 C 04 39 19.922 +26 50 48.41 V T05
2023-11-23 09:27:11 C 04 39 20.842 +26 50 59.17 V T05
2023-11-23 09:32:20 C 04 39 22.010 +26 51 13.36 V T05
2023-11-23 09:59:19 C 04 39 28.178 +26 52 27.59 V T05
2023-11-23 10:14:02 C 04 39 28.337 +26 52 17.29 V U55
2023-11-23 10:25:12 C 04 39 31.025 +26 52 45.70 V U55
2023-11-23 10:36:02 C 04 39 33.629 +26 53 15.32 V U55
2023-11-24 03:30:14 C 04 44 20.693 +27 43 47.28 V W68
2023-11-24 03:45:50 C 04 44 24.979 +27 44 36.02 V W68
2023-11-24 03:55:39 C 04 44 27.571 +27 45 06.05 V W68
2023-11-24 04:06:08 C 04 44 30.470 +27 45 39.28 V W68
2023-11-24 18:20:53 B 04 49 06.52 +28 28 51.2 X L99
2023-11-24 18:27:33 B 04 49 08.79 +28 29 14.9 X L99
2023-11-24 18:34:13 B 04 49 10.97 +28 29 37.9 X L99
2023-11-24 21:09:09 C 04 50 04.130 +28 38 30.16 V J69
2023-11-24 21:19:57 C 04 50 07.776 +28 39 09.04 V J69
2023-11-24 21:30:48 C 04 50 11.422 +28 39 48.02 V J69
2023-11-24 22:08:09 C 04 50 23.832 +28 41 59.82 V Z80
2023-11-24 22:16:10 C 04 50 26.518 +28 42 28.37 V Z80
2023-11-24 22:24:11 C 04 50 29.230 +28 42 56.81 V Z80
2023-11-25 08:04:06 C 04 54 02.674 +29 18 11.74 V U52
2023-11-25 08:06:24 C 04 54 03.478 +29 18 19.91 V U52
2023-11-25 08:08:40 C 04 54 04.325 +29 18 28.26 V U52
2023-11-25 23:01:41 C 05 00 19.613 +30 17 18.17 X M26
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)