275558 (1999 RH33)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1708172210 ± 2.91e-08
Semi-major axis (a)1.5511527597 AU ± 3.11e-09
Inclination (i)11.01744977° ± 2.29e-06
Long. of Asc. Node (Ω)168.30506082° ± 8.75e-06
Arg. of Perihelion (ω)351.54580697° ± 1.13e-05
Mean Anomaly (M)35.12160020° ± 9.87e-06
Mean Motion (n)0.5101882137°/day ± 1.53e-09
Perihelion dist (q)1.28618916 AU ± 4.53e-08
Aphelion dist (Q)1.81611636 AU ± 4.53e-08
Orbital Period1.93188760 yr ± 5.80e-09
Physical Parameters
H (abs. magnitude)19.06
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.289″
Uncertainty0
Orbit TypeAmor
MOID0.295104 AU
Observations Used462
Oppositions19
Arc Total1985-2024
First Observation Used1999-09-05
Last Observation Used2024-09-07
Observations (516)
Date Type RA Dec Mag Band Observatory
2024-07-29 16:52:57 C 22 07 36.18 +00 58 43.8 V D29
2024-07-29 17:28:00 C 22 07 34.79 +00 58 29.7 V D29
2024-08-13 11:17:18 C 21 50 44.039 -02 14 26.69 X F51
2024-08-13 11:35:05 C 21 50 43.049 -02 14 38.05 X F51
2024-08-13 11:52:50 C 21 50 42.050 -02 14 49.48 X F51
2024-08-13 12:10:35 C 21 50 41.072 -02 15 00.87 X F51
2024-08-14 15:52:52 C 21 49 13.07 -02 33 03.2 V D29
2024-08-14 16:29:41 C 21 49 10.98 -02 33 27.2 V D29
2024-09-04 04:45:38 C 21 24 45.551 -08 13 39.18 V G96
2024-09-04 04:53:44 C 21 24 45.191 -08 13 44.33 V G96
2024-09-04 05:01:50 C 21 24 44.860 -08 13 50.20 V G96
2024-09-04 05:09:58 C 21 24 44.507 -08 13 55.16 V G96
2024-09-07 09:02:32 C 21 21 51.124 -09 03 38.75 X F51
2024-09-07 09:19:31 C 21 21 50.475 -09 03 49.59 X F51
2024-09-07 09:36:31 C 21 21 49.817 -09 04 00.49 X F51
2024-09-07 09:53:30 C 21 21 49.160 -09 04 11.41 X F51