IAA RAS IAA Minor Planet Database

2021 SN5

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4776299553 ± 1.44e-05
Semi-major axis (a)2.1239601480 AU ± 6.45e-05
Inclination (i)1.75242649° ± 4.25e-05
Long. of Asc. Node (Ω)179.41676857° ± 8.06e-05
Arg. of Perihelion (ω)225.68802253° ± 9.18e-05
Mean Anomaly (M)108.98305480° ± 2.15e-02
Mean Motion (n)0.3184144223°/day ± 1.45e-05
Perihelion dist (q)1.10949316 AU ± 4.55e-05
Aphelion dist (Q)3.13842714 AU ± 1.00e-04
Orbital Period3.09541972 yr ± 1.41e-04
Physical Parameters
H (abs. magnitude)25.02
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.172″
Uncertainty2
Orbit TypeAmor
MOID0.118996 AU
Observations Used45
Oppositions1
Arc Total2021-2021
First Observation Used2021-09-30
Last Observation Used2021-12-05
Observations (45)
Date Type RA Dec Mag Band Observatory
2021-09-30 10:01:11 C 00 25 09.454 +01 08 56.02 – U F52
2021-09-30 10:17:39 C 00 25 10.414 +01 08 54.90 – U F52
2021-09-30 10:50:58 C 00 25 12.343 +01 08 52.93 – U F52
2021-09-30 13:25:07 C 00 25 21.490 +01 08 42.03 – V F51
2021-10-04 07:00:04 C 00 32 12.373 +01 02 44.29 – U F51
2021-10-04 07:07:33 C 00 32 12.937 +01 02 43.90 – U F51
2021-10-04 07:15:02 C 00 32 13.472 +01 02 43.71 – U F51
2021-10-05 08:49:17 C 00 34 19.645 +01 01 08.17 – V F52
2021-10-05 09:05:01 C 00 34 20.783 +01 01 07.48 – V F52
2021-10-05 09:20:46 C 00 34 21.892 +01 01 06.29 – V F52
2021-10-24 05:59:02 C 01 29 49.68 +01 17 15.7 – V 807
2021-10-24 06:07:25 C 01 29 50.91 +01 17 17.2 – V 807
2021-10-24 06:15:27 C 01 29 52.11 +01 17 19.0 – V 807
2021-10-26 10:21:57 C 01 38 36.550 +01 27 01.80 – U F51
2021-10-26 10:39:12 C 01 38 39.205 +01 27 05.53 – U F51
2021-10-26 10:56:26 C 01 38 41.855 +01 27 09.51 – U F51
2021-10-26 11:13:37 C 01 38 44.504 +01 27 13.55 – U F51
2021-10-28 05:29:33 C 01 46 10.16 +01 37 28.1 – V G96
2021-10-28 05:36:57 C 01 46 11.38 +01 37 29.8 – V G96
2021-10-28 05:44:21 C 01 46 12.53 +01 37 32.0 – V G96
2021-10-28 05:51:45 C 01 46 13.76 +01 37 34.0 – V G96
2021-10-30 08:20:40 C 01 55 22.399 +01 52 24.73 – U F52
2021-10-30 08:37:06 C 01 55 25.135 +01 52 29.87 – U F52
2021-10-30 08:53:42 C 01 55 27.877 +01 52 35.19 – U F52
2021-10-30 09:10:11 C 01 55 30.591 +01 52 40.26 – U F52
2021-11-07 10:02:51 C 02 32 28.218 +03 10 11.20 – U F51
2021-11-07 10:19:57 C 02 32 31.248 +03 10 19.44 – U F51
2021-11-07 10:36:59 C 02 32 34.256 +03 10 27.73 – U F51
2021-11-07 10:53:57 C 02 32 37.251 +03 10 35.92 – U F51
2021-11-10 06:40:35 C 02 45 54.20 +03 45 08.6 – V G96
2021-11-10 06:48:02 C 02 45 55.53 +03 45 12.5 – V G96
2021-11-10 06:55:31 C 02 45 56.87 +03 45 16.8 – V G96
2021-11-10 11:54:12 C 02 46 52.865 +03 48 10.61 – U F52
2021-11-10 12:07:01 C 02 46 55.129 +03 48 17.18 – U F52
2021-11-10 12:23:35 C 02 46 58.109 +03 48 25.93 – U F52
2021-11-10 12:27:13 C 02 46 58.754 +03 48 27.89 – U F52
2021-11-10 12:39:59 C 02 47 01.058 +03 48 34.73 – U F52
2021-11-10 12:43:37 C 02 47 01.714 +03 48 36.50 – U F52
2021-11-14 05:35:10 C 03 04 10.42 +04 38 53.5 – V G96
2021-11-14 05:43:15 C 03 04 11.79 +04 38 58.2 – V G96
2021-11-14 05:51:22 C 03 04 13.17 +04 39 03.5 – V G96
2021-11-14 05:59:29 C 03 04 14.59 +04 39 09.6 – V G96
2021-12-05 04:49:42 C 04 21 19.60 +09 53 59.6 – u H21
2021-12-05 04:55:56 C 04 21 20.24 +09 54 03.4 – u H21
2021-12-05 05:11:47 C 04 21 21.87 +09 54 13.0 – u H21