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
2019-07-10 07:37:37 C 16 59 57.54 +57 49 00.7 – V 703
2019-07-10 07:45:20 C 16 59 57.78 +57 48 57.8 – V 703
2019-07-10 07:51:41 C 16 59 58.02 +57 48 54.6 – U I41
2019-07-10 08:00:42 C 16 59 58.05 +57 48 50.7 – V 703
2019-07-11 06:17:40 C 17 00 29.88 +57 39 16.1 – U I41
2019-07-11 07:22:31 C 17 00 31.07 +57 38 46.2 – U I41
2019-07-11 08:24:14 C 17 00 32.26 +57 38 17.3 – U I41
2019-07-12 05:28:57 C 17 01 04.95 +57 28 41.6 – U I41
2019-07-12 05:55:05 C 17 01 05.46 +57 28 29.3 – U I41
2019-07-12 06:07:51 C 17 01 05.70 +57 28 23.2 – U I41
2019-07-13 05:12:42 C 17 01 43.17 +57 17 15.8 – U I41
2019-07-13 07:40:39 C 17 01 46.36 +57 16 00.5 – U I41
2019-07-13 08:15:36 C 17 01 47.18 +57 15 42.7 – U I41
2019-07-16 09:25:30 C 17 04 02.281 +56 36 21.61 – U F51
2019-07-16 09:50:48 C 17 04 02.964 +56 36 06.40 – U F51
2019-07-16 10:16:07 C 17 04 03.671 +56 35 51.05 – U F51
2019-07-18 10:39:43 C 17 05 46.265 +56 06 25.34 – U F51
2019-07-18 11:02:49 C 17 05 47.018 +56 06 10.04 – U F51
2019-07-18 11:25:57 C 17 05 47.775 +56 05 54.59 – U F51
2019-07-18 11:49:06 C 17 05 48.554 +56 05 38.92 – U F51
2019-07-20 10:04:26 C 17 07 37.448 +55 35 02.17 – U F51
2019-07-20 10:25:46 C 17 07 38.209 +55 34 46.84 – U F51
2019-07-20 10:47:11 C 17 07 38.962 +55 34 31.43 – U F51
2019-07-20 11:08:37 C 17 07 39.765 +55 34 15.77 – U F51
2019-07-24 10:27:49 C 17 11 54.694 +54 23 03.58 – U F51
2019-07-24 10:45:26 C 17 11 55.465 +54 22 48.86 – U F51
2019-07-24 11:20:40 C 17 11 57.029 +54 22 19.18 – U F51
2019-07-26 04:21:55 C 17 14 01.04 +53 48 17.0 – U I41
2019-07-26 04:55:47 C 17 14 02.58 +53 47 48.1 – U I41
2019-07-26 08:42:59 C 17 14 13.22 +53 44 28.3 – U I41
2019-07-27 04:55:18 C 17 15 17.89 +53 26 53.5 – U I41
2019-07-27 05:05:22 C 17 15 18.36 +53 26 44.6 – U I41
2019-07-27 08:46:40 C 17 15 29.765 +53 23 30.12 – U F52
2019-07-27 09:04:17 C 17 15 30.600 +53 23 14.14 – U F52
2019-07-27 09:21:55 C 17 15 31.449 +53 22 58.01 – U F52
2019-07-27 09:39:30 C 17 15 32.296 +53 22 41.82 – U F52
2019-07-29 05:48:40 C 17 17 59.19 +52 42 01.2 – U I41
2019-07-29 06:49:29 C 17 18 02.36 +52 41 02.5 – U I41
2019-07-30 04:54:33 C 17 19 19.66 +52 19 45.6 – U I41
2019-07-30 05:16:42 C 17 19 20.83 +52 19 23.9 – U I41
2019-07-31 06:38:43 C 17 20 51.29 +51 54 06.7 – U I41
2019-07-31 07:20:59 C 17 20 53.65 +51 53 22.6 – U I41
2019-08-01 06:18:54 C 17 22 18.84 +51 29 45.9 – U I41
2019-08-01 06:40:47 C 17 22 20.09 +51 29 22.7 – U I41
2019-08-01 07:22:52 C 17 22 22.55 +51 28 37.7 – U I41
2019-08-01 08:12:04 C 17 22 25.45 +51 27 44.6 – U I41
2019-08-02 04:16:07 C 17 23 42.88 +51 06 31.9 – U I41
2019-08-02 04:40:37 C 17 23 44.32 +51 06 05.5 – U I41
2019-08-02 09:14:31 C 17 24 00.79 +51 01 04.1 – U I41
2019-08-03 03:53:04 C 17 25 15.15 +50 40 47.6 – U I41