IAA RAS IAA Minor Planet Database

2004 ST2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1871987051 ± 1.67e-06
Semi-major axis (a)0.9549924555 AU ± 4.53e-09
Inclination (i)22.30060277° ± 9.38e-05
Long. of Asc. Node (Ω)356.74312703° ± 7.77e-06
Arg. of Perihelion (ω)227.14662580° ± 2.56e-04
Mean Anomaly (M)1.67525879° ± 4.82e-04
Mean Motion (n)1.0561178069°/day ± 7.52e-09
Perihelion dist (q)0.77621910 AU ± 1.59e-06
Aphelion dist (Q)1.13376581 AU ± 1.59e-06
Orbital Period0.93325411 yr ± 6.64e-09
Physical Parameters
H (abs. magnitude)24.20
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.477″
Uncertainty0
Orbit TypeAten
MOID0.045030 AU
Observations Used64
Oppositions1
Arc Total2004-2018
First Observation Used2004-09-18
Last Observation Used2018-09-23
Observations (66)
Date Type RA Dec Mag Band Observatory
2018-09-21 20:17:42 C 23 39 07.44 +12 37 42.2 – o K88
2018-09-21 21:11:52 C 23 38 25.68 +12 45 37.4 – q 160
2018-09-21 21:14:12 C 23 38 23.79 +12 45 56.8 – q 160
2018-09-21 21:16:31 C 23 38 21.97 +12 46 16.2 – q 160
2018-09-21 21:17:41 C 23 38 21.05 +12 46 26.8 – q 160
2018-09-21 21:18:51 C 23 38 20.16 +12 46 35.9 – q 160
2018-09-21 21:21:11 C 23 38 18.32 +12 46 56.1 – q 160
2018-09-22 02:00:25 C 23 34 50.22 +13 26 17.1 – q W34
2018-09-22 02:32:14 C 23 34 25.59 +13 30 42.2 – q W34
2018-09-22 04:03:04 C 23 33 18.79 +13 43 12.3 – V I52
2018-09-22 04:04:03 C 23 33 18.01 +13 43 20.4 – V I52
2018-09-22 04:05:03 C 23 33 17.27 +13 43 28.2 – V I52
2018-09-22 04:06:03 C 23 33 16.53 +13 43 36.5 – V I52
2018-09-23 19:35:45 C 23 06 26.09 +18 25 20.1 – V J95
2018-09-23 19:42:42 C 23 06 21.67 +18 26 03.4 – V J95
2018-09-23 19:48:56 C 23 06 17.77 +18 26 42.4 – V J95