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
2005-10-24 08:01:04 C 03 08 22.11 -02 53 55.0 o 644
2005-10-24 08:31:27 C 03 08 20.68 -02 54 17.8 o 644
2005-10-24 09:05:33 C 03 08 19.10 -02 54 43.7 o 644
2005-10-27 07:28:51 C 03 05 05.89 -03 47 30.0 r 703
2005-10-27 07:41:13 C 03 05 05.24 -03 47 39.5 r 703
2005-10-27 07:53:48 C 03 05 04.66 -03 47 49.7 r 703
2005-10-27 08:06:08 C 03 05 03.73 -03 47 58.9 r 703
2005-11-03 06:48:42 C 02 56 30.76 -05 45 05.6 r 703
2005-11-03 06:57:55 C 02 56 30.12 -05 45 09.5 r 703
2005-11-03 07:07:07 C 02 56 29.68 -05 45 19.5 r 703
2005-11-03 07:16:21 C 02 56 29.07 -05 45 24.1 r 703
2005-12-28 08:33:06 C 02 20 13.31 -07 00 45.6 c 568
2005-12-28 08:44:31 C 02 20 13.54 -07 00 40.5 c 568
2005-12-31 03:39:54 C 02 21 46.54 -06 29 16.3 d 291
2005-12-31 03:48:52 C 02 21 46.75 -06 29 11.9 d 291
2005-12-31 03:58:54 C 02 21 46.98 -06 29 07.4 d 291
2007-10-08 09:30:25 C 04 44 11.27 +05 41 48.1 o H55
2007-10-08 09:47:50 C 04 44 11.74 +05 41 37.9 o H55
2007-10-08 10:05:23 C 04 44 12.23 +05 41 27.7 o H55
2007-11-07 09:05:16 C 04 46 04.33 -02 33 24.6 r 703
2007-11-07 09:11:39 C 04 46 04.04 -02 33 28.9 r 703
2007-11-07 09:18:07 C 04 46 03.90 -02 33 33.7 r 703
2007-11-07 09:24:32 C 04 46 03.68 -02 33 38.0 r 703
2007-12-06 05:09:41 C 04 12 58.96 -08 38 20.3 r 703
2007-12-06 05:20:30 C 04 12 58.42 -08 38 22.9 r 703
2007-12-06 05:31:20 C 04 12 57.81 -08 38 23.1 r 703
2007-12-06 05:42:07 C 04 12 57.06 -08 38 26.5 r 703
2008-01-01 06:11:14 C 03 48 13.21 -07 03 55.1 r 703
2008-01-01 06:21:23 C 03 48 13.17 -07 03 49.9 r 703
2008-01-01 06:31:31 C 03 48 12.96 -07 03 44.9 r 703
2008-01-01 06:41:37 C 03 48 12.78 -07 03 40.9 r 703
2009-12-12 07:22:04 C 06 36 53.39 -08 20 44.4 o H21
2009-12-12 07:27:53 C 06 36 53.17 -08 20 46.9 o H21
2009-12-12 07:33:43 C 06 36 52.96 -08 20 49.3 o H21
2010-04-07 03:51:45 C 07 46 14.98 +20 02 22.8 r G96
2010-04-07 04:03:03 C 07 46 16.35 +20 02 26.9 r G96
2010-04-07 04:11:40 C 07 46 17.40 +20 02 30.3 r G96
2010-04-07 04:20:22 C 07 46 18.40 +20 02 33.4 r G96
2010-04-12 14:18:49 S 08 02 36.348 +20 44 20.65 L C51
2010-04-12 23:50:22 S 08 03 49.027 +20 46 52.82 L C51
2010-04-13 03:00:53 S 08 04 13.303 +20 47 42.97 L C51
2010-04-13 06:11:24 S 08 04 37.579 +20 48 32.11 L C51
2010-04-13 06:11:35 S 08 04 37.658 +20 48 32.04 L C51
2010-04-13 09:22:06 S 08 05 01.99 +20 49 19.6 L C51
2010-04-13 12:32:37 S 08 05 26.27 +20 50 09.4 L C51
2010-04-13 15:43:08 S 08 05 50.594 +20 50 58.31 L C51
2010-04-13 23:39:31 S 08 06 51.63 +20 52 54.3 L C51
2010-04-14 07:35:55 S 08 07 52.572 +20 54 50.62 L C51
2010-04-14 13:56:57 S 08 08 41.714 +20 56 23.06 L C51
2010-04-14 18:42:38 S 08 09 18.226 +20 57 25.38 L C51