IAA RAS IAA Minor Planet Database

2009 SK104

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6061892759 ± 7.46e-09
Semi-major axis (a)2.7904313170 AU ± 1.58e-08
Inclination (i)4.19114746° ± 1.74e-06
Long. of Asc. Node (Ω)323.10842384° ± 2.63e-05
Arg. of Perihelion (ω)291.81873378° ± 3.02e-05
Mean Anomaly (M)223.41712385° ± 5.26e-06
Mean Motion (n)0.2114488221°/day ± 1.80e-09
Perihelion dist (q)1.09890178 AU ± 2.17e-08
Aphelion dist (Q)4.48196086 AU ± 3.29e-08
Orbital Period4.66129948 yr ± 3.97e-08
Physical Parameters
H (abs. magnitude)19.51
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.390″
Uncertainty0
Orbit TypeAmor
MOID0.108769 AU
Observations Used358
Oppositions7
Arc Total2009-2018
First Observation Used2009-09-25
Last Observation Used2018-08-14
Observations (508)
Date Type RA Dec Mag Band Observatory
2018-07-28 21:44:42 S 21 46 59.460 -20 36 52.27 – V C57
2018-07-28 21:44:42 s 1 +59910.396 0 +300948.06 3430.0 – C57
2018-07-28 22:14:42 S 21 46 58.039 -20 36 24.26 – V C57
2018-07-28 22:14:42 s 1 +58865.392 0 +302195.07 930.0 – C57
2018-07-28 22:44:42 S 21 46 56.566 -20 35 51.32 – V C57
2018-07-28 22:44:42 s 1 +57818.002 0 +303430.45 2120.0 – C57
2018-07-28 23:14:42 S 21 46 55.123 -20 35 19.54 – V C57
2018-07-28 23:14:42 s 1 +56768.284 0 +304654.26 7440.0 – C57
2018-07-28 23:44:42 S 21 46 53.942 -20 34 50.74 – V C57
2018-07-28 23:44:42 s 1 +55716.295 0 +305866.52 7350.0 – C57
2018-07-29 00:14:42 S 21 46 52.687 -20 34 16.50 – V C57
2018-07-29 00:14:42 s 1 +54662.091 0 +307067.28 2280.0 – C57
2018-07-29 00:44:42 S 21 46 51.377 -20 33 49.82 – V C57
2018-07-29 00:44:42 s 1 +53605.726 0 +308256.59 2670.0 – C57
2018-07-29 01:44:42 S 21 46 48.463 -20 32 46.43 – V C57
2018-07-29 01:44:42 s 1 +51486.734 0 +310601.03 1550.0 – C57
2018-07-29 03:44:42 S 21 46 42.950 -20 30 39.13 – V C57
2018-07-29 03:44:42 s 1 +47225.166 0 +315154.30 3320.0 – C57
2018-07-29 04:14:42 S 21 46 41.854 -20 30 14.72 – V C57
2018-07-29 04:14:42 s 1 +46155.160 0 +316264.61 3640.0 – C57
2018-07-29 04:44:42 S 21 46 40.548 -20 29 41.89 – V C57
2018-07-29 04:44:42 s 1 +45083.408 0 +317363.79 2690.0 – C57
2018-07-29 05:14:42 S 21 46 39.259 -20 29 09.53 – V C57
2018-07-29 05:14:42 s 1 +44009.958 0 +318451.89 860.0 – C57
2018-07-29 05:44:42 S 21 46 37.954 -20 28 39.25 – V C57
2018-07-29 05:44:42 s 1 +42934.858 0 +319528.94 8530.0 – C57
2018-07-29 06:14:42 S 21 46 36.871 -20 28 12.14 – V C57
2018-07-29 06:14:42 s 1 +41858.155 0 +320594.99 6080.0 – C57
2018-07-29 06:44:42 S 21 46 35.280 -20 27 36.50 – V C57
2018-07-29 06:44:42 s 1 +40779.897 0 +321650.06 3890.0 – C57
2018-07-29 07:14:42 S 21 46 34.142 -20 27 06.84 – V C57
2018-07-29 07:14:42 s 1 +39700.130 0 +322694.21 2320.0 – C57
2018-07-29 07:44:42 S 21 46 32.873 -20 26 35.52 – V C57
2018-07-29 07:44:42 s 1 +38618.899 0 +323727.46 1730.0 – C57
2018-07-29 08:14:42 S 21 46 31.543 -20 26 06.18 – V C57
2018-07-29 08:14:42 s 1 +37536.250 0 +324749.85 2490.0 – C57
2018-07-29 08:44:42 S 21 46 30.252 -20 25 35.58 – V C57
2018-07-29 08:44:42 s 1 +36452.226 0 +325761.42 4940.0 – C57
2018-07-29 09:14:42 S 21 46 28.954 -20 25 05.48 – V C57
2018-07-29 09:14:42 s 1 +35366.872 0 +326762.21 9450.0 – C57
2018-07-29 09:44:42 S 21 46 27.684 -20 24 34.16 – V C57
2018-07-29 09:44:42 s 1 +34280.231 0 +327752.26 6340.0 – C57
2018-07-29 10:14:42 S 21 46 26.465 -20 24 05.18 – V C57
2018-07-29 10:14:42 s 1 +33192.346 0 +328731.59 5970.0 – C57
2018-07-29 10:44:42 S 21 46 25.236 -20 23 34.12 – V C57
2018-07-29 10:44:42 s 1 +32103.258 0 +329700.24 8680.0 – C57
2018-07-29 11:14:42 S 21 46 24.053 -20 23 04.92 – V C57
2018-07-29 11:14:42 s 1 +31013.010 0 +330658.25 4790.0 – C57
2018-07-29 11:44:42 S 21 46 22.675 -20 22 35.58 – V C57
2018-07-29 11:44:42 s 1 +29921.643 0 +331605.66 4640.0 – C57