IAA RAS IAA Minor Planet Database

2021 GN16

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1935799867 ± 2.93e-07
Semi-major axis (a)1.1886701757 AU ± 2.52e-08
Inclination (i)42.74189928° ± 2.46e-05
Long. of Asc. Node (Ω)211.78834650° ± 7.93e-06
Arg. of Perihelion (ω)215.03901966° ± 7.89e-05
Mean Anomaly (M)335.31152687° ± 1.34e-04
Mean Motion (n)0.7605367892°/day ± 2.42e-08
Perihelion dist (q)0.95856742 AU ± 3.49e-07
Aphelion dist (Q)1.41877293 AU ± 3.50e-07
Orbital Period1.29596135 yr ± 4.13e-08
Physical Parameters
H (abs. magnitude)21.73
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.283″
Uncertainty0
Orbit TypeApollo
MOID0.008163 AU
Observations Used44
Oppositions2
Arc Total2017-2025
First Observation Used2017-04-25
Last Observation Used2025-10-15
Observations (44)
Date Type RA Dec Mag Band Observatory
2017-04-25 06:03:25 C 10 26 09.254 -20 06 52.55 – V F51
2017-04-25 06:19:12 C 10 26 10.700 -20 05 53.24 – V F51
2017-04-25 06:34:59 C 10 26 12.206 -20 04 53.38 – V F51
2021-04-13 13:29:20 C 16 02 58.576 -12 19 43.74 – U F51
2021-04-13 13:45:19 C 16 02 57.377 -12 18 46.77 – U F51
2021-04-13 14:01:15 C 16 02 56.159 -12 17 50.88 – U F51
2021-04-13 14:17:10 C 16 02 54.976 -12 16 54.72 – U F51
2021-04-15 09:44:18 C 15 59 47.557 -09 42 29.52 – V 568
2021-04-15 09:47:40 C 15 59 47.292 -09 42 17.43 – V 568
2021-04-15 09:49:05 C 15 59 47.179 -09 42 12.41 – V 568
2021-04-16 02:10:39 C 15 58 31.53 -08 43 03.9 – V L01
2021-04-16 02:15:08 C 15 58 31.13 -08 42 48.2 – V L01
2021-04-16 02:19:38 C 15 58 30.78 -08 42 31.5 – V L01
2021-04-16 02:28:37 C 15 58 30.09 -08 41 59.3 – V L01
2021-04-17 06:42:51 C 15 56 18.00 -06 58 26.2 – o 691
2021-04-17 06:59:51 C 15 56 16.58 -06 57 24.6 – o 691
2021-04-17 07:16:52 C 15 56 15.17 -06 56 20.9 – o 691
2021-04-19 09:55:47 C 15 52 02.52 -03 47 48.8 – V V06
2021-04-19 09:58:22 C 15 52 02.28 -03 47 39.3 – V V06
2021-04-19 10:00:56 C 15 52 02.07 -03 47 28.9 – V V06
2021-04-19 10:03:31 C 15 52 01.84 -03 47 19.5 – V V06
2021-04-22 09:10:19 C 15 45 43.52 +00 40 13.9 – V V06
2021-04-22 09:12:53 C 15 45 43.25 +00 40 24.0 – V V06
2021-04-22 09:15:26 C 15 45 43.02 +00 40 33.1 – V V06
2021-05-06 08:03:51 C 15 12 23.43 +19 38 41.4 – V V06
2021-05-06 08:08:58 C 15 12 22.89 +19 38 55.8 – V V06
2021-05-06 08:14:05 C 15 12 22.34 +19 39 10.0 – V V06
2021-05-06 08:19:12 C 15 12 21.78 +19 39 24.6 – V V06
2021-05-07 08:49:16 C 15 09 52.97 +20 46 59.0 – V V06
2021-05-07 08:54:23 C 15 09 52.42 +20 47 13.3 – V V06
2021-05-07 08:59:30 C 15 09 51.87 +20 47 26.4 – V V06
2021-05-07 09:04:37 C 15 09 51.35 +20 47 40.6 – V V06
2021-05-11 06:38:47 C 15 00 37.00 +24 41 05.6 – u H21
2021-05-11 06:40:37 C 15 00 36.81 +24 41 09.8 – u H21
2021-05-11 06:42:27 C 15 00 36.64 +24 41 13.8 – u H21
2021-06-03 09:19:24 C 14 21 18.839 +36 34 55.69 – V T12
2021-06-03 09:31:52 C 14 21 18.274 +36 35 02.24 – V T12
2021-06-27 04:00:32 C 14 13 52.84 +38 05 51.5 – V 695
2021-06-27 04:25:51 C 14 13 53.03 +38 05 49.0 – V 695
2025-04-26 13:43:31 C 18 32 16.767 +21 50 21.44 – V T12
2025-05-22 13:55:32 C 18 24 10.357 +45 41 18.78 – V T12
2025-07-29 08:33:13 C 16 15 06.060 +60 11 55.46 – V T12
2025-10-15 02:45:34 C 18 26 32.630 +29 57 13.70 – V 291
2025-10-15 03:02:01 C 18 26 35.110 +29 56 39.00 – V 291