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
2019-05-02 10:30:31 C 16 56 37.81 +38 57 27.0 – U I41
2019-05-02 11:19:12 C 16 56 38.89 +38 59 03.9 – U I41
2019-05-06 09:22:51 C 16 58 53.89 +42 00 05.3 – V G96
2019-05-06 09:31:06 C 16 58 54.00 +42 00 20.7 – V G96
2019-05-06 09:39:16 C 16 58 54.15 +42 00 35.7 – V G96
2019-05-06 09:46:55 C 16 58 54.29 +42 00 49.8 – V G96
2019-05-06 09:52:56 C 16 58 54.36 +42 01 01.3 – V 703
2019-05-06 10:00:59 C 16 58 54.49 +42 01 16.2 – V 703
2019-05-06 10:08:55 C 16 58 54.65 +42 01 30.9 – V 703
2019-05-09 09:21:55 C 17 00 14.27 +44 08 53.2 – U I41
2019-05-09 09:22:34 C 17 00 14.31 +44 08 54.4 – U I41
2019-05-09 09:23:13 C 17 00 14.30 +44 08 55.5 – U I41
2019-05-09 09:42:33 C 17 00 14.54 +44 09 28.8 – U I41
2019-05-09 09:43:52 C 17 00 14.53 +44 09 31.3 – U I41
2019-05-09 10:14:30 C 17 00 14.87 +44 10 24.0 – U I41
2019-05-09 10:15:49 C 17 00 14.90 +44 10 26.3 – U I41
2019-05-09 10:21:55 C 17 00 14.96 +44 10 36.8 – U I41
2019-05-09 10:52:25 C 17 00 15.30 +44 11 29.1 – U I41
2019-05-09 10:53:43 C 17 00 15.33 +44 11 31.4 – U I41
2019-05-09 10:55:04 C 17 00 15.35 +44 11 33.7 – U I41
2019-05-09 11:09:43 C 17 00 15.51 +44 11 58.7 – U I41
2019-05-09 11:11:04 C 17 00 15.53 +44 12 01.1 – U I41
2019-05-13 06:45:31 C 17 01 30.97 +46 42 37.2 – U I41
2019-05-13 07:41:27 C 17 01 31.33 +46 44 06.0 – U I41
2019-05-13 09:33:09 C 17 01 31.79 +46 47 00.9 – V 703
2019-05-13 09:40:12 C 17 01 31.84 +46 47 12.5 – V 703
2019-05-13 09:47:14 C 17 01 32.02 +46 47 23.1 – V 703
2019-05-13 09:54:16 C 17 01 31.93 +46 47 33.5 – V 703
2019-05-13 09:55:08 C 17 01 32.07 +46 47 35.3 – U I41
2019-05-13 09:56:26 C 17 01 32.07 +46 47 37.4 – U I41
2019-05-13 10:43:26 C 17 01 32.33 +46 48 50.1 – U I41
2019-05-13 10:44:48 C 17 01 32.33 +46 48 52.3 – U I41
2019-05-13 11:15:19 C 17 01 32.51 +46 49 39.4 – U I41
2019-05-14 06:51:57 C 17 01 45.59 +47 19 49.3 – U I41
2019-05-14 07:51:38 C 17 01 45.87 +47 21 21.2 – U I41
2019-05-14 08:16:30 C 17 01 45.99 +47 21 59.4 – U I41
2019-05-14 08:47:12 C 17 01 46.10 +47 22 46.2 – U I41
2019-05-14 09:43:32 C 17 01 46.32 +47 24 11.7 – U I41
2019-05-14 10:18:33 C 17 01 46.45 +47 25 04.6 – U I41
2019-05-14 10:44:35 C 17 01 46.56 +47 25 43.8 – U I41
2019-05-24 07:42:06 C 17 02 29.07 +52 35 15.9 – V G96
2019-05-24 07:49:33 C 17 02 29.00 +52 35 24.0 – V G96
2019-05-24 07:57:00 C 17 02 28.94 +52 35 32.4 – V G96
2019-05-24 08:04:27 C 17 02 28.87 +52 35 40.4 – V G96
2019-05-24 08:55:45 C 17 02 28.57 +52 36 37.1 – U I41
2019-05-24 09:18:54 C 17 02 28.39 +52 37 02.3 – U I41
2019-05-24 09:20:12 C 17 02 28.36 +52 37 03.8 – U I41
2019-05-24 10:21:44 C 17 02 27.82 +52 38 10.6 – U I41
2019-05-25 11:19:20 C 17 02 23.139 +53 05 03.22 – U F52
2019-05-25 11:37:56 C 17 02 22.941 +53 05 22.68 – U F52