2021 GM16

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2453455859 ± 4.09e-08
Semi-major axis (a)1.4640256362 AU ± 5.79e-09
Inclination (i)26.74610192° ± 7.93e-06
Long. of Asc. Node (Ω)67.38838857° ± 2.07e-06
Arg. of Perihelion (ω)204.84175274° ± 2.31e-05
Mean Anomaly (M)175.27445214° ± 1.26e-05
Mean Motion (n)0.5564027320°/day ± 3.30e-09
Perihelion dist (q)1.10483341 AU ± 6.00e-08
Aphelion dist (Q)1.82321786 AU ± 6.02e-08
Orbital Period1.77142603 yr ± 1.05e-08
Physical Parameters
H (abs. magnitude)21.24
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.226″
Uncertainty0
Orbit TypeAmor
MOID0.108658 AU
Observations Used150
Oppositions7
Arc Total2005-2021
First Observation Used2005-06-06
Last Observation Used2021-06-27
Observations (155)
Date Type RA Dec Mag Band Observatory
2005-06-06 03:49:31 C 12 06 44.68 +17 50 29.4 n 645
2005-06-06 03:50:42 C 12 06 44.66 +17 50 25.5 n 645
2005-06-06 03:54:17 C 12 06 44.64 +17 50 14.7 n 645
2012-02-09 12:00:43 C 12 02 24.964 +63 52 02.58 V F51
2012-02-28 11:27:55 C 11 24 31.838 +69 15 53.92 V F51
2014-09-14 15:02:43 C 04 01 20.030 -39 19 44.61 V F51
2014-11-28 08:47:20 C 01 25 22.767 -16 00 18.25 V F51
2021-04-13 10:54:56 C 16 54 43.96 +34 01 28.8 V V00
2021-04-13 11:02:10 C 16 54 44.06 +34 01 28.0 V V00
2021-04-13 11:09:14 C 16 54 44.12 +34 01 27.8 V V00
2021-04-13 11:17:38 C 16 54 44.27 +34 01 27.0 V V00
2021-04-14 02:00:55 C 16 55 00.45 +34 00 11.5 V 033
2021-04-14 02:06:05 C 16 55 00.53 +34 00 10.8 V 033
2021-04-14 02:11:15 C 16 55 00.58 +34 00 10.4 V 033
2021-04-14 02:16:44 C 16 55 00.65 +34 00 09.8 V 033
2021-04-14 09:53:00 C 16 55 08.62 +33 59 34.7 V G96
2021-04-14 10:00:29 C 16 55 08.69 +33 59 34.9 V G96
2021-04-14 10:07:59 C 16 55 08.83 +33 59 33.4 V G96
2021-04-16 08:51:11 C 16 55 48.40 +33 53 48.7 u H21
2021-04-16 09:11:53 C 16 55 48.48 +33 53 45.6 u H21
2021-04-23 08:00:10 C 16 56 17.29 +33 07 48.5 V I52
2021-04-23 08:11:48 C 16 56 17.15 +33 07 43.6 V I52
2021-04-23 08:23:26 C 16 56 17.01 +33 07 39.6 V I52
2021-04-24 00:29:54 C 16 56 09.09 +33 00 28.5 V 033
2021-04-24 00:35:04 C 16 56 09.02 +33 00 26.2 V 033
2021-04-24 00:40:14 C 16 56 08.95 +33 00 24.0 V 033
2021-04-24 00:45:31 C 16 56 08.87 +33 00 21.6 V 033
2021-04-28 13:28:06 C 16 54 22.654 +31 57 09.36 U F51
2021-04-28 13:45:55 C 16 54 22.071 +31 56 56.21 U F51
2021-04-28 14:21:14 C 16 54 20.909 +31 56 30.00 U F51
2021-04-30 11:25:20 C 16 53 06.59 +31 20 25.0 V I52
2021-04-30 11:29:23 C 16 53 06.50 +31 20 21.0 V I52
2021-04-30 11:33:37 C 16 53 06.32 +31 20 16.7 V I52
2021-05-04 10:14:18 C 16 49 24.14 +29 40 48.1 V G96
2021-05-04 10:23:19 C 16 49 23.61 +29 40 36.6 V G96
2021-05-04 10:32:24 C 16 49 23.09 +29 40 25.4 V G96
2021-05-04 10:39:51 C 16 49 22.68 +29 40 15.5 V G96
2021-05-05 08:07:45 C 16 48 19.83 +29 12 14.6 U I41
2021-05-05 08:09:05 C 16 48 19.75 +29 12 12.9 U I41
2021-05-05 09:08:21 C 16 48 16.09 +29 10 53.4 U I41
2021-05-05 09:13:06 C 16 48 15.85 +29 10 47.3 U I41
2021-05-07 07:22:50 C 16 45 38.29 +28 02 05.1 V I52
2021-05-07 07:25:36 C 16 45 38.08 +28 02 00.3 V I52
2021-05-07 07:33:33 C 16 45 37.53 +28 01 48.3 V I52
2021-05-07 07:36:19 C 16 45 37.34 +28 01 43.9 V I52
2021-05-07 18:47:15 C 16 44 53.34 +27 43 13.9 q D29
2021-05-07 19:27:59 C 16 44 50.33 +27 42 04.3 q D29
2021-05-11 10:42:11 C 16 38 17.11 +24 47 31.2 V I52
2021-05-11 10:42:47 C 16 38 17.05 +24 47 29.7 V I52
2021-05-11 11:01:24 C 16 38 15.27 +24 46 45.2 V I52