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
2015-08-16 00:42:52 C 23 35 53.32 +45 14 18.0 q Z99
2015-08-24 23:25:35 C 23 37 48.32 +40 07 38.0 q G40
2015-08-25 00:57:52 C 23 37 47.96 +40 05 00.4 q G40
2015-08-25 03:38:04 C 23 37 47.19 +40 00 22.2 q G40
2015-08-26 20:37:12 C 23 37 48.51 +38 46 12.8 151
2015-08-26 20:42:25 C 23 37 48.53 +38 46 04.3 151
2015-08-26 20:43:35 C 23 37 48.54 +38 46 03.2 151
2015-08-28 23:36:53 C 23 37 39.55 +37 07 02.9 q 160
2015-08-28 23:38:53 C 23 37 39.53 +37 06 58.2 q 160
2015-08-29 21:48:21 C 23 37 33.75 +36 21 18.4 q 160
2015-08-29 21:50:55 C 23 37 33.73 +36 21 13.3 q 160
2015-08-29 21:53:32 C 23 37 33.73 +36 21 08.1 q 160
2015-08-30 22:24:27 C 23 37 24.91 +35 28 50.7 q 160
2015-08-30 22:27:00 C 23 37 24.90 +35 28 45.4 q 160
2015-08-30 22:29:33 C 23 37 24.86 +35 28 39.9 q 160
2015-08-31 22:53:01 C 23 37 14.48 +34 34 45.2 q 160
2015-08-31 22:56:02 C 23 37 14.39 +34 34 39.1 q 160
2015-08-31 22:59:01 C 23 37 14.32 +34 34 32.2 q 160
2015-09-02 07:11:30 C 23 36 57.64 +33 20 31.8 u H21
2015-09-02 07:20:10 C 23 36 57.51 +33 20 11.4 u H21
2015-09-02 07:26:34 C 23 36 57.39 +33 19 56.1 u H21
2015-09-02 07:34:06 C 23 36 57.29 +33 19 38.5 u H21
2015-09-02 07:41:39 C 23 36 57.18 +33 19 20.5 u H21
2015-09-02 07:49:11 C 23 36 57.05 +33 19 03.0 u H21
2015-09-02 07:56:43 C 23 36 56.97 +33 18 44.9 u H21
2015-09-02 08:03:23 C 23 36 56.84 +33 18 29.3 u H21
2015-09-06 22:56:22 C 23 35 43.46 +28 39 10.5 q 160
2015-09-06 22:59:10 C 23 35 43.40 +28 39 02.8 q 160
2015-09-06 23:01:56 C 23 35 43.35 +28 38 55.4 q 160
2015-09-07 21:43:14 C 23 35 26.13 +27 37 22.5 q Z64
2015-09-07 21:54:19 C 23 35 25.83 +27 36 53.0 q Z64
2015-09-07 21:59:50 C 23 35 25.70 +27 36 39.7 q Z64
2015-09-07 22:00:19 C 23 35 25.47 +27 36 38.0 q 160
2015-09-07 22:03:16 C 23 35 25.41 +27 36 29.8 q 160
2015-09-07 22:06:14 C 23 35 25.36 +27 36 21.7 q 160
2015-09-09 00:12:48 C 23 35 03.21 +26 23 53.3 c A24
2015-09-09 00:13:51 C 23 35 03.28 +26 23 50.4 c A24
2015-09-09 00:14:53 C 23 35 03.24 +26 23 48.2 c A24
2015-09-09 00:15:54 C 23 35 03.21 +26 23 45.0 c A24
2015-09-09 03:31:25 C 23 35 01.49 +26 14 33.8 t 750
2015-09-09 03:51:26 C 23 35 01.07 +26 13 37.5 t 750
2015-09-09 22:14:06 C 23 34 45.10 +25 21 27.1 q 160
2015-09-09 22:17:04 C 23 34 45.06 +25 21 18.5 q 160
2015-09-09 22:20:06 C 23 34 45.00 +25 21 09.9 q 160
2015-09-10 21:34:21 C 23 34 25.00 +24 14 02.6 q 160
2015-09-10 21:36:56 C 23 34 24.93 +24 13 55.3 q 160
2015-09-10 21:39:55 C 23 34 24.89 +24 13 47.7 q 160
2015-09-11 07:39:12 C 23 34 15.45 +23 44 38.6 R G45
2015-09-11 07:47:02 C 23 34 15.30 +23 44 15.1 R G45
2015-09-11 07:55:03 C 23 34 15.12 +23 43 51.8 R G45