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
2012-03-26 20:43:53 C 09 50 24.30 +18 02 43.0 c A24
2012-03-26 21:05:00 C 09 50 25.31 +18 03 02.1 c A24
2012-03-26 21:47:45 C 09 50 27.36 +18 03 39.7 c A24
2012-03-26 21:49:50 C 09 50 27.47 +18 03 41.0 c A24
2012-03-27 05:05:47 C 09 50 51.28 +18 10 06.3 r G96
2012-03-27 05:17:27 C 09 50 51.86 +18 10 16.3 r G96
2012-03-27 05:29:09 C 09 50 52.40 +18 10 26.5 r G96
2012-03-27 05:40:44 C 09 50 52.98 +18 10 36.2 r G96
2012-03-30 03:53:52 C 09 54 54.26 +19 07 37.1 19.0 c 704
2012-03-30 04:08:37 C 09 54 55.13 +19 07 49.1 19.4 c 704
2012-03-30 04:38:08 C 09 54 56.70 +19 08 11.2 19.3 c 704
2012-03-30 04:52:53 C 09 54 57.50 +19 08 21.9 19.6 c 704
2012-03-30 19:35:40 C 09 55 51.24 +19 19 15.3 18.3 u A14
2012-03-30 20:04:24 C 09 55 52.87 +19 19 36.9 18.2 u A14
2012-03-30 20:33:06 C 09 55 54.47 +19 19 57.8 18.6 u A14
2012-04-21 02:43:32 C 10 34 02.34 +22 31 55.3 u 448
2012-04-21 03:05:02 C 10 34 04.10 +22 31 56.6 u 448
2012-04-21 03:35:53 C 10 34 06.61 +22 31 57.9 u 448
2012-04-21 03:59:30 C 10 34 08.47 +22 31 59.8 u 448
2012-04-28 06:34:55 C 10 49 04.18 +22 26 48.9 r 703
2012-04-28 06:46:10 C 10 49 05.12 +22 26 48.3 r 703
2012-04-28 06:57:42 C 10 49 06.16 +22 26 47.4 r 703
2012-04-28 07:09:19 C 10 49 07.14 +22 26 44.9 r 703
2014-01-29 09:49:17 C 12 53 55.89 -13 42 07.0 q 448
2014-01-29 10:23:46 C 12 53 59.34 -13 42 04.8 q 448
2014-01-29 10:54:57 C 12 54 02.39 -13 42 04.1 q 448
2014-02-25 14:00:48 C 13 52 04.727 -09 21 33.07 L F51
2014-02-25 14:18:58 C 13 52 05.916 -09 21 18.76 L F51
2014-02-25 14:37:05 C 13 52 07.101 -09 21 04.48 L F51
2014-02-28 12:08:28 C 13 56 53.466 -08 23 24.69 L F51
2014-02-28 12:24:37 C 13 56 54.439 -08 23 10.67 L F51
2014-02-28 12:40:48 C 13 56 55.412 -08 22 56.64 L F51
2014-03-08 10:17:42 C 14 07 52.48 -05 16 31.6 q 703
2014-03-08 10:27:06 C 14 07 52.89 -05 16 21.7 q 703
2014-03-08 10:36:31 C 14 07 53.31 -05 16 11.5 q 703
2014-03-08 10:45:56 C 14 07 53.71 -05 16 00.6 q 703
2014-03-10 00:25:01 C 14 09 42.31 -04 34 22.3 v A17
2014-03-10 00:41:55 C 14 09 43.02 -04 34 03.4 v A17
2014-03-10 00:58:49 C 14 09 43.71 -04 33 44.0 v A17
2014-03-15 08:19:08 C 14 14 49.68 -02 02 49.6 u H21
2014-03-15 08:24:31 C 14 14 49.86 -02 02 43.0 u H21
2014-03-15 08:28:38 C 14 14 49.96 -02 02 37.8 u H21
2014-03-15 08:33:32 C 14 14 50.11 -02 02 31.8 u H21
2014-03-22 09:50:18 C 14 19 11.96 +01 35 24.8 q 703
2014-03-22 09:56:03 C 14 19 12.08 +01 35 31.1 q 703
2014-03-22 10:01:48 C 14 19 12.13 +01 35 39.0 q 703
2014-03-29 01:19:23 C 14 20 45.94 +05 07 43.0 q 160
2014-03-29 01:23:22 C 14 20 45.93 +05 07 47.8 q 160
2014-03-29 01:27:20 C 14 20 45.96 +05 07 53.6 q 160
2014-03-29 08:26:58 C 14 20 47.09 +05 17 12.6 R G45