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
2015-09-23 08:00:15 C 23 30 17.54 +08 54 04.0 q 703
2015-09-23 08:08:40 C 23 30 17.41 +08 53 37.4 q 703
2015-09-23 08:17:07 C 23 30 17.27 +08 53 11.1 q 703
2015-09-23 08:25:32 C 23 30 17.13 +08 52 45.0 q 703
2015-09-25 05:28:30 C 23 29 51.01 +06 35 05.1 q G96
2015-09-25 05:36:42 C 23 29 50.90 +06 34 40.4 q G96
2015-09-25 05:44:53 C 23 29 50.78 +06 34 15.5 q G96
2015-09-25 05:53:04 C 23 29 50.68 +06 33 51.0 q G96
2015-09-26 00:04:39 C 23 29 40.41 +05 39 04.2 q 203
2015-09-26 00:20:26 C 23 29 40.24 +05 38 16.3 q 203
2015-10-01 07:05:38 C 23 28 55.47 -00 23 48.1 q 703
2015-10-01 07:12:07 C 23 28 55.41 -00 24 05.9 q 703
2015-10-01 07:18:37 C 23 28 55.34 -00 24 23.3 q 703
2015-10-01 07:25:07 C 23 28 55.32 -00 24 40.6 q 703
2015-10-01 14:54:09 C 23 28 53.75 -00 44 30.4 u Q60
2015-10-01 15:07:25 C 23 28 53.67 -00 45 05.3 u Q60
2015-10-01 15:21:03 C 23 28 53.60 -00 45 42.3 u Q60
2015-10-02 04:50:26 C 23 28 52.53 -01 21 56.9 R G45
2015-10-02 04:51:01 C 23 28 52.50 -01 21 58.3 R G45
2015-10-02 04:58:12 C 23 28 52.48 -01 22 17.4 R G45
2015-10-02 05:05:58 C 23 28 52.43 -01 22 38.1 R G45
2015-10-02 05:13:34 C 23 28 52.36 -01 22 58.2 R G45
2015-10-02 05:21:38 C 23 28 52.30 -01 23 19.6 R G45
2015-10-02 05:22:21 C 23 28 52.29 -01 23 21.5 R G45
2015-10-09 03:58:58 C 23 29 12.24 -08 02 10.3 q 703
2015-10-09 04:06:10 C 23 29 12.25 -08 02 25.3 q 703
2015-10-09 04:15:45 C 23 29 12.25 -08 02 46.1 q 703
2015-10-09 04:38:48 C 23 29 12.34 -08 03 35.3 q 703
2015-10-14 00:14:12 C 23 30 17.03 -11 49 17.1 o Z22
2015-10-14 00:29:49 C 23 30 17.11 -11 49 44.1 o Z22
2015-10-14 02:08:32 C 23 30 18.42 -11 52 25.6 q Y00
2015-10-14 02:24:31 C 23 30 18.51 -11 52 53.9 q Y00
2015-10-14 02:37:52 C 23 30 18.70 -11 53 16.7 q Y00
2015-10-15 00:54:57 C 23 30 36.47 -12 32 07.5 o Z22
2015-10-15 01:05:38 C 23 30 36.60 -12 32 26.2 o Z22
2015-10-17 04:22:07 C 23 31 24.27 -13 55 41.4 R G45
2015-10-17 04:29:27 C 23 31 24.38 -13 55 52.6 R G45
2015-10-17 04:36:28 C 23 31 24.46 -13 56 04.0 R G45
2015-10-17 04:43:14 C 23 31 24.55 -13 56 14.5 R G45
2015-10-17 04:50:09 C 23 31 24.64 -13 56 25.5 R G45
2015-10-18 07:56:55 C 23 31 53.090 -14 37 17.90 L F51
2015-10-18 08:53:14 C 23 31 53.878 -14 38 40.71 L F51
2015-10-18 09:11:29 C 23 31 54.137 -14 39 07.39 L F51
2015-10-19 13:25:29 C 23 32 26.70 -15 19 30.4 q D29
2015-10-19 14:01:02 C 23 32 27.26 -15 20 19.6 q D29
2015-10-22 01:06:02 C 23 33 43.31 -16 37 31.8 u 807
2015-10-22 01:07:43 C 23 33 43.32 -16 37 33.9 u 807
2015-10-22 01:09:24 C 23 33 43.34 -16 37 35.9 u 807
2015-10-22 01:11:06 C 23 33 43.40 -16 37 38.2 u 807
2015-10-22 01:12:47 C 23 33 43.44 -16 37 39.9 u 807