IAA RAS IAA Minor Planet Database

390929 (2005 GP21)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2245432452 ± 4.41e-07
Semi-major axis (a)1.3083120149 AU ± 3.73e-09
Inclination (i)18.80146381° ± 2.25e-05
Long. of Asc. Node (Ω)9.98183761° ± 2.82e-06
Arg. of Perihelion (ω)1.43369353° ± 1.49e-04
Mean Anomaly (M)99.12320924° ± 2.28e-04
Mean Motion (n)0.6586357219°/day ± 2.82e-09
Perihelion dist (q)1.01453939 AU ± 5.77e-07
Aphelion dist (Q)1.60208464 AU ± 5.77e-07
Orbital Period1.49646648 yr ± 6.41e-09
Physical Parameters
H (abs. magnitude)20.44
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.123″
Uncertainty0
Orbit TypeApollo
MOID0.012306 AU
Observations Used239
Oppositions6
Arc Total2005-2023
First Observation Used2005-04-04
Last Observation Used2023-04-25
Observations (283)
Date Type RA Dec Mag Band Observatory
2014-03-31 02:22:50 C 12 37 22.15 -04 08 23.3 – L W84
2014-03-31 02:26:47 C 12 37 21.71 -04 08 24.5 – L W84
2014-03-31 02:28:45 C 12 37 21.49 -04 08 25.0 – L W84
2014-03-31 02:30:44 C 12 37 21.27 -04 08 25.7 – L W84
2014-03-31 02:32:42 C 12 37 21.05 -04 08 26.2 – L W84
2014-03-31 02:34:39 C 12 37 20.82 -04 08 26.8 – L W84
2014-03-31 02:38:36 C 12 37 20.38 -04 08 28.0 – L W84
2014-03-31 02:40:35 C 12 37 20.16 -04 08 28.6 – L W84
2014-03-31 02:44:49 C 12 37 19.68 -04 08 29.9 – L W84
2014-03-31 02:46:48 C 12 37 19.46 -04 08 30.5 – L W84
2014-03-31 02:48:45 C 12 37 19.22 -04 08 31.1 – L W84
2014-03-31 02:50:44 C 12 37 19.00 -04 08 31.7 – L W84
2014-03-31 02:54:42 C 12 37 18.55 -04 08 32.8 – L W84
2014-03-31 02:56:41 C 12 37 18.33 -04 08 33.4 – L W84
2014-03-31 02:58:39 C 12 37 18.10 -04 08 34.0 – L W84
2014-03-31 03:00:36 C 12 37 17.88 -04 08 34.5 – L W84
2014-03-31 03:02:36 C 12 37 17.66 -04 08 35.1 – L W84
2014-03-31 03:04:36 C 12 37 17.43 -04 08 35.7 – L W84
2014-03-31 03:06:35 C 12 37 17.20 -04 08 36.3 – L W84
2014-03-31 03:08:34 C 12 37 16.97 -04 08 37.0 – L W84
2014-03-31 03:10:32 C 12 37 16.75 -04 08 37.5 – L W84
2014-03-31 03:12:31 C 12 37 16.53 -04 08 38.1 – L W84
2014-03-31 03:14:28 C 12 37 16.31 -04 08 38.6 – L W84
2014-03-31 03:16:25 C 12 37 16.07 -04 08 39.2 – L W84
2014-03-31 03:18:23 C 12 37 15.87 -04 08 39.8 – L W84
2014-03-31 03:20:27 C 12 37 15.63 -04 08 40.5 – L W84
2014-03-31 03:22:24 C 12 37 15.41 -04 08 40.9 – L W84
2014-03-31 03:24:22 C 12 37 15.18 -04 08 41.6 – L W84
2014-03-31 03:26:18 C 12 37 14.96 -04 08 42.1 – L W84
2014-03-31 03:28:17 C 12 37 14.73 -04 08 42.7 – L W84
2014-03-31 03:30:14 C 12 37 14.51 -04 08 43.3 – L W84
2014-03-31 03:36:08 C 12 37 13.84 -04 08 45.0 – L W84
2014-03-31 03:38:05 C 12 37 13.62 -04 08 45.6 – L W84
2014-03-31 03:40:03 C 12 37 13.41 -04 08 46.1 – L W84
2014-03-31 03:42:02 C 12 37 13.18 -04 08 46.8 – L W84
2014-03-31 03:44:02 C 12 37 12.96 -04 08 47.4 – L W84
2014-03-31 03:46:00 C 12 37 12.73 -04 08 48.1 – L W84
2014-03-31 03:47:58 C 12 37 12.52 -04 08 48.5 – L W84
2014-03-31 03:50:05 C 12 37 12.26 -04 08 49.1 – L W84
2014-03-31 03:54:01 C 12 37 11.81 -04 08 50.3 – L W84
2014-03-31 03:55:59 C 12 37 11.59 -04 08 50.9 – L W84
2014-03-31 03:57:57 C 12 37 11.36 -04 08 51.5 – L W84
2014-03-31 03:59:55 C 12 37 11.15 -04 08 52.0 – L W84
2014-03-31 04:01:52 C 12 37 10.92 -04 08 52.6 – L W84
2014-03-31 04:03:50 C 12 37 10.69 -04 08 53.2 – L W84
2014-03-31 04:05:49 C 12 37 10.48 -04 08 53.7 – L W84
2014-03-31 04:07:48 C 12 37 10.24 -04 08 54.4 – L W84
2014-03-31 04:09:46 C 12 37 10.02 -04 08 55.1 – L W84
2014-03-31 04:11:45 C 12 37 09.79 -04 08 55.4 – L W84
2014-03-31 04:15:40 C 12 37 09.35 -04 08 56.7 – L W84