IAA RAS IAA Minor Planet Database

441825 (2009 SK1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2229547288 ± 2.71e-08
Semi-major axis (a)1.6110950532 AU ± 4.35e-09
Inclination (i)30.81551366° ± 3.27e-06
Long. of Asc. Node (Ω)184.35861518° ± 2.53e-06
Arg. of Perihelion (ω)104.47903003° ± 7.34e-06
Mean Anomaly (M)35.79053884° ± 7.38e-06
Mean Motion (n)0.4819816786°/day ± 1.95e-09
Perihelion dist (q)1.25189379 AU ± 4.38e-08
Aphelion dist (Q)1.97029631 AU ± 4.40e-08
Orbital Period2.04494554 yr ± 8.29e-09
Physical Parameters
H (abs. magnitude)18.40
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.304″
Uncertainty0
Orbit TypeAmor
MOID0.403489 AU
Observations Used1193
Oppositions8
Arc Total2009-2025
First Observation Used2009-09-17
Last Observation Used2025-06-20
Observations (1233)
Date Type RA Dec Mag Band Observatory
2019-05-25 11:56:21 C 17 02 22.754 +53 05 42.01 – U F52
2019-05-25 12:14:52 C 17 02 22.554 +53 06 01.31 – U F52
2019-05-26 08:42:48 C 17 02 17.26 +53 27 09.4 – V 703
2019-05-26 08:50:28 C 17 02 17.28 +53 27 17.3 – V 703
2019-05-26 08:58:09 C 17 02 17.11 +53 27 24.8 – V 703
2019-05-26 09:05:49 C 17 02 16.98 +53 27 32.1 – V 703
2019-05-29 12:06:44 C 17 01 48.576 +54 39 08.00 – U F52
2019-05-29 12:24:21 C 17 01 48.337 +54 39 23.44 – U F52
2019-05-29 12:41:59 C 17 01 48.091 +54 39 38.81 – U F52
2019-05-30 08:35:27 C 17 01 39.08 +54 57 01.1 – V 703
2019-05-30 08:43:20 C 17 01 39.03 +54 57 07.1 – V 703
2019-05-30 08:51:12 C 17 01 38.81 +54 57 15.0 – V 703
2019-05-30 08:59:03 C 17 01 38.81 +54 57 20.9 – V 703
2019-06-01 06:40:37 C 17 01 15.43 +55 34 50.0 – U I41
2019-06-01 08:58:58 C 17 01 13.30 +55 36 38.7 – U I41
2019-06-01 09:11:20 C 17 01 13.11 +55 36 48.3 – U I41
2019-06-01 10:16:19 C 17 01 12.13 +55 37 37.8 – U I41
2019-06-01 10:43:35 C 17 01 11.74 +55 37 58.3 – U I41
2019-06-01 10:44:54 C 17 01 11.74 +55 37 59.3 – U I41
2019-06-01 11:20:18 C 17 01 11.21 +55 38 26.1 – U I41
2019-06-03 06:16:10 C 17 00 47.20 +56 10 19.7 – U I41
2019-06-03 07:21:33 C 17 00 46.15 +56 11 06.9 – U I41
2019-06-03 07:46:17 C 17 00 45.74 +56 11 24.4 – U I41
2019-06-03 08:12:39 C 17 00 45.31 +56 11 43.0 – U I41
2019-06-03 08:35:16 C 17 00 44.65 +56 11 58.3 – V 703
2019-06-03 08:42:57 C 17 00 44.66 +56 12 05.2 – V 703
2019-06-03 08:50:39 C 17 00 44.62 +56 12 10.2 – V 703
2019-06-03 08:58:20 C 17 00 44.45 +56 12 14.7 – V 703
2019-06-03 10:44:11 C 17 00 42.89 +56 13 27.1 – U I41
2019-06-03 11:25:37 C 17 00 42.28 +56 13 55.3 – U I41
2019-06-04 06:17:24 C 17 00 31.97 +56 26 53.7 – U I41
2019-06-04 06:40:16 C 17 00 31.59 +56 27 09.5 – U I41
2019-06-04 06:43:41 C 17 00 31.54 +56 27 11.7 – U I41
2019-06-04 07:16:32 C 17 00 31.00 +56 27 34.1 – U I41
2019-06-04 08:46:02 C 17 00 29.50 +56 28 33.8 – U I41
2019-06-06 05:53:02 C 17 00 00.72 +56 57 04.9 – U I41
2019-06-06 06:19:08 C 17 00 00.27 +56 57 21.2 – U I41
2019-06-06 06:53:59 C 16 59 59.67 +56 57 42.4 – U I41
2019-06-06 07:54:16 C 16 59 58.63 +56 58 18.7 – U I41
2019-06-06 08:19:54 C 16 59 58.18 +56 58 33.7 – U I41
2019-06-06 08:46:37 C 16 59 57.73 +56 58 49.6 – U I41
2019-06-07 04:47:27 C 16 59 45.59 +57 10 22.3 – U I41
2019-06-07 05:44:56 C 16 59 44.67 +57 10 56.0 – U I41
2019-06-07 07:12:23 C 16 59 43.16 +57 11 46.3 – U I41
2019-06-07 07:45:29 C 16 59 42.58 +57 12 04.9 – U I41
2019-06-07 07:48:05 C 16 59 42.54 +57 12 06.3 – U I41
2019-06-07 09:17:41 C 16 59 40.93 +57 12 56.1 – V 703
2019-06-07 09:25:23 C 16 59 40.77 +57 13 00.3 – V 703
2019-06-07 09:33:06 C 16 59 40.59 +57 13 02.6 – V 703
2019-06-07 09:40:48 C 16 59 40.46 +57 13 07.3 – V 703