2003 GG21

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7119189034 ± 3.83e-08
Semi-major axis (a)2.1389736675 AU ± 5.09e-09
Inclination (i)10.16025149° ± 9.87e-06
Long. of Asc. Node (Ω)11.05181121° ± 9.13e-06
Arg. of Perihelion (ω)97.36550315° ± 9.55e-06
Mean Anomaly (M)94.74737436° ± 1.08e-05
Mean Motion (n)0.3150678715°/day ± 1.12e-09
Perihelion dist (q)0.61619788 AU ± 8.18e-08
Aphelion dist (Q)3.66174946 AU ± 8.23e-08
Orbital Period3.12829829 yr ± 1.12e-08
Physical Parameters
H (abs. magnitude)21.97
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.261″
Uncertainty0
Orbit TypeApollo
MOID0.008790 AU
Observations Used170
Oppositions15
Arc Total2003-2025
First Observation Used2003-04-07
Last Observation Used2025-04-23
Observations (186)
Date Type RA Dec Mag Band Observatory
2021-09-25 10:51:52 C 00 12 52.312 -05 54 14.23 – U F51
2021-09-25 11:09:10 C 00 12 49.921 -05 54 17.75 – U F51
2021-09-25 13:06:27 C 00 12 33.718 -05 54 40.75 – V F51
2021-09-25 13:07:23 C 00 12 33.590 -05 54 40.88 – V F51
2021-09-26 03:25:52 C 00 10 39.52 -05 57 11.5 – u 807
2021-09-26 03:33:47 C 00 10 38.40 -05 57 13.0 – u 807
2021-09-26 03:41:31 C 00 10 37.22 -05 57 14.4 – u 807
2021-09-26 05:30:54 C 00 10 21.88 -05 58 07.3 – u H21
2021-09-26 05:41:30 C 00 10 20.35 -05 58 09.5 – u H21
2021-09-26 05:46:37 C 00 10 19.61 -05 58 10.7 – u H21
2021-09-26 09:44:25 C 00 09 46.732 -05 58 51.78 – U F51
2021-09-26 10:24:03 C 00 09 40.882 -05 58 59.77 – U F51
2021-09-26 10:32:59 C 00 09 39.563 -05 59 01.63 – U F51
2021-09-26 20:05:23 C 00 08 17.63 -06 01 02.0 – V N51
2021-09-26 20:23:55 C 00 08 14.80 -06 01 05.5 – V N51
2021-09-26 20:33:10 C 00 08 13.43 -06 01 07.2 – V N51
2021-09-27 06:29:49 C 00 06 46.45 -06 03 12.9 – u H21
2021-09-27 06:33:51 C 00 06 45.83 -06 03 13.6 – u H21
2021-09-27 06:37:53 C 00 06 45.19 -06 03 14.3 – u H21
2021-09-29 11:18:20 C 23 58 17.176 -06 13 52.66 – U F51
2021-09-29 12:06:43 C 23 58 08.414 -06 14 02.11 – U F51
2021-10-04 08:49:32 C 23 33 59.379 -06 36 27.72 – U F52
2021-10-04 09:05:58 C 23 33 55.194 -06 36 30.50 – U F52
2021-10-04 09:38:49 C 23 33 46.785 -06 36 36.20 – U F52
2021-10-04 14:39:14 C 23 32 32.85 -06 37 34.1 – V D29
2021-10-04 14:59:36 C 23 32 27.57 -06 37 37.5 – V D29
2021-10-04 15:19:58 C 23 32 22.31 -06 37 40.7 – V D29
2021-10-11 04:09:52 C 22 42 15.30 -06 52 30.7 – V G96
2021-10-11 04:18:03 C 22 42 11.92 -06 52 30.9 – V G96
2021-10-11 04:26:13 C 22 42 08.54 -06 52 30.4 – V G96
2021-10-11 04:34:24 C 22 42 05.18 -06 52 30.3 – V G96
2021-10-18 22:50:54 S 21 03 47.729 -05 55 13.98 – L C51
2021-10-19 00:24:58 S 21 02 45.780 -05 54 08.75 – L C51
2025-04-23 08:10:39 C 15 39 44.360 -34 49 38.30 – V 807
2025-04-23 08:24:24 C 15 39 42.150 -34 49 36.20 – V 807
2025-04-23 08:38:17 C 15 39 39.920 -34 49 34.10 – V 807