IAA RAS IAA Minor Planet Database

2021 SK5

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1688063087 ± 2.15e-05
Semi-major axis (a)1.2575379260 AU ± 4.06e-05
Inclination (i)2.70678451° ± 3.24e-04
Long. of Asc. Node (Ω)200.32020500° ± 1.14e-04
Arg. of Perihelion (ω)201.65894631° ± 8.98e-04
Mean Anomaly (M)312.91779847° ± 4.95e-02
Mean Motion (n)0.6989251020°/day ± 3.38e-05
Perihelion dist (q)1.04525759 AU ± 4.33e-05
Aphelion dist (Q)1.46981826 AU ± 5.46e-05
Orbital Period1.41020301 yr ± 6.83e-05
Physical Parameters
H (abs. magnitude)26.82
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.258″
Uncertainty2
Orbit TypeAmor
MOID0.052683 AU
Observations Used44
Oppositions1
Arc Total2021-2021
First Observation Used2021-09-27
Last Observation Used2021-11-26
Observations (45)
Date Type RA Dec Mag Band Observatory
2021-09-27 08:49:07 C 00 47 49.320 +16 14 14.35 – V F51
2021-09-27 09:05:00 C 00 47 50.862 +16 14 09.49 – V F51
2021-09-27 09:20:55 C 00 47 52.366 +16 14 04.61 – V F51
2021-09-27 09:36:57 C 00 47 53.958 +16 13 59.10 – V F51
2021-09-28 08:03:44 C 00 50 49.559 +16 05 10.68 – V F52
2021-09-28 08:22:04 C 00 50 51.516 +16 05 04.58 – V F52
2021-09-29 06:53:28 C 00 53 51.944 +15 55 07.49 – V F51
2021-09-29 07:10:07 C 00 53 53.875 +15 55 01.61 – V F51
2021-09-29 07:43:15 C 00 53 57.601 +15 54 49.77 – V F51
2021-09-30 08:47:06 C 00 57 20.296 +15 42 40.74 – U F51
2021-09-30 09:08:24 C 00 57 22.586 +15 42 31.21 – U F51
2021-09-30 09:31:32 C 00 57 25.032 +15 42 20.31 – U F51
2021-10-03 05:44:48 C 01 07 13.64 +15 01 23.2 – o 691
2021-10-03 05:59:43 C 01 07 15.43 +15 01 14.3 – o 691
2021-10-03 06:14:38 C 01 07 17.12 +15 01 04.7 – o 691
2021-10-03 06:25:42 C 01 07 18.60 +15 00 57.6 – V V00
2021-10-03 06:32:43 C 01 07 19.38 +15 00 53.3 – V V00
2021-10-03 06:39:43 C 01 07 20.23 +15 00 48.8 – V V00
2021-10-03 06:46:43 C 01 07 21.05 +15 00 44.4 – V V00
2021-10-07 05:44:51 C 01 22 16.91 +13 46 07.7 – V G96
2021-10-07 05:52:17 C 01 22 17.86 +13 46 01.5 – V G96
2021-10-07 05:59:43 C 01 22 18.84 +13 45 55.2 – V G96
2021-10-07 06:07:08 C 01 22 19.79 +13 45 48.8 – V G96
2021-10-11 11:52:31 C 01 39 46.356 +12 03 38.35 – U F51
2021-10-11 11:57:28 C 01 39 47.050 +12 03 32.57 – U F51
2021-10-11 12:14:17 C 01 39 49.426 +12 03 13.16 – U F51
2021-10-11 12:26:11 C 01 39 51.134 +12 02 59.13 – U F51
2021-10-11 12:31:10 C 01 39 51.838 +12 02 53.25 – U F51
2021-10-11 12:42:58 C 01 39 53.524 +12 02 39.43 – U F51
2021-10-11 12:47:58 C 01 39 54.259 +12 02 33.48 – U F51
2021-10-28 07:36:41 C 02 57 38.16 +02 53 10.0 – V G96
2021-10-28 07:46:23 C 02 57 39.59 +02 52 56.4 – V G96
2021-10-28 07:53:51 C 02 57 40.70 +02 52 46.8 – V G96
2021-10-28 08:01:18 C 02 57 41.78 +02 52 36.5 – V G96
2021-10-29 08:58:24 C 03 02 17.43 +02 17 57.0 – o 691
2021-10-29 09:06:40 C 03 02 18.64 +02 17 45.8 – o 691
2021-10-29 09:14:55 C 03 02 19.83 +02 17 34.2 – o 691
2021-11-01 11:27:06 C 03 15 36.171 +00 39 43.87 – U F52
2021-11-01 11:44:50 C 03 15 38.459 +00 39 21.39 – U F52
2021-11-01 12:02:29 C 03 15 40.772 +00 38 58.95 – U F52
2021-11-01 12:20:02 C 03 15 43.077 +00 38 36.60 – U F52
2021-11-26 09:23:00 C 04 27 02.256 -05 12 08.27 – U F52
2021-11-26 09:40:33 C 04 27 02.962 -05 12 07.46 – U F52
2021-11-26 09:58:05 C 04 27 03.663 -05 12 06.52 – U F52
2021-11-26 10:15:44 C 04 27 04.347 -05 12 05.33 – U F52