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
2017-09-25 08:38:26 C 21 18 56.31 +08 51 21.5 L T08
2017-09-25 09:00:42 C 21 18 57.74 +08 50 16.6 L T08
2017-09-25 09:09:09 C 21 18 58.31 +08 49 52.6 L T08
2017-09-25 09:10:28 C 21 18 58.39 +08 49 49.3 L T08
2017-09-27 05:39:16 C 21 22 06.66 +06 45 02.3 q G96
2017-09-27 05:42:56 C 21 22 06.90 +06 44 52.2 q G96
2017-09-27 05:46:33 C 21 22 07.14 +06 44 42.3 q G96
2017-09-29 02:22:54 C 21 25 20.32 +04 44 06.3 q 703
2017-09-29 02:33:17 C 21 25 21.05 +04 43 38.9 q 703
2017-09-29 02:43:38 C 21 25 21.72 +04 43 11.1 q 703
2017-10-10 07:45:33 C 21 45 43.72 -05 33 13.8 L T08
2017-10-10 07:55:52 C 21 45 44.44 -05 33 34.2 L T08
2017-10-10 08:06:15 C 21 45 45.21 -05 33 54.0 L T08
2017-10-10 08:16:40 C 21 45 45.97 -05 34 13.5 L T08
2017-10-11 07:44:03 C 21 47 36.69 -06 18 31.6 L T08
2017-10-11 07:54:24 C 21 47 37.49 -06 18 50.4 L T08
2017-10-11 08:04:47 C 21 47 38.28 -06 19 10.8 L T08
2017-10-11 08:15:14 C 21 47 39.05 -06 19 30.1 L T08
2017-10-14 04:16:50 C 21 53 02.91 -08 19 32.5 U 703
2017-10-14 04:24:45 C 21 53 03.48 -08 19 45.2 U 703
2017-10-14 04:32:39 C 21 53 04.06 -08 19 58.4 U 703
2017-10-17 03:59:21 C 21 58 48.15 -10 12 58.3 o 691
2017-10-17 04:24:04 C 21 58 50.07 -10 13 35.2 o 691
2017-10-17 04:48:44 C 21 58 51.82 -10 14 12.0 o 691
2017-10-20 06:44:34 C 22 04 52.166 -11 57 41.09 L F51
2017-10-20 07:00:21 C 22 04 53.407 -11 58 01.77 L F51
2017-10-20 07:16:07 C 22 04 54.622 -11 58 22.39 L F51
2017-10-23 02:56:04 C 22 10 27.63 -13 22 01.5 U 703
2017-10-23 03:03:58 C 22 10 28.09 -13 22 11.1 U 703
2017-10-23 03:11:46 C 22 10 28.71 -13 22 18.9 U 703
2017-10-23 03:19:37 C 22 10 29.24 -13 22 26.8 U 703
2017-11-07 06:14:36 C 22 40 42.842 -18 20 33.15 L F51
2017-11-07 06:29:49 C 22 40 44.069 -18 20 41.21 L F51
2017-11-07 06:45:04 C 22 40 45.316 -18 20 49.14 L F51
2019-01-14 15:16:22 C 13 45 40.816 -17 26 14.91 U F51
2019-01-14 15:23:50 C 13 45 41.481 -17 26 14.60 U F51
2019-01-14 15:31:21 C 13 45 42.129 -17 26 14.23 U F51
2019-03-18 09:50:20 C 15 56 20.46 +00 13 16.5 V G96
2019-03-18 09:57:41 C 15 56 21.01 +00 13 28.7 V G96
2019-03-18 10:05:00 C 15 56 21.56 +00 13 41.3 V G96
2019-03-18 10:12:20 C 15 56 22.11 +00 13 53.4 V G96
2019-03-28 11:34:44 C 16 14 12.94 +07 43 17.6 V 703
2019-03-28 11:42:25 C 16 14 13.46 +07 43 34.2 V 703
2019-03-28 11:50:08 C 16 14 13.97 +07 43 48.6 V 703
2019-03-29 11:35:58 C 16 15 53.40 +08 32 41.8 V 703
2019-03-29 11:45:01 C 16 15 54.03 +08 33 00.3 V 703
2019-03-29 11:54:04 C 16 15 54.61 +08 33 18.6 V 703
2019-03-29 12:03:06 C 16 15 55.21 +08 33 37.4 V 703
2019-03-30 13:40:39 C 16 17 41.14 +09 27 13.2 V T08
2019-03-30 13:54:34 C 16 17 42.01 +09 27 42.6 V T08