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
2016-07-31 06:49:20 C 16 25 09.926 -02 56 21.84 L F51
2016-07-31 07:06:35 C 16 25 10.536 -02 56 33.26 L F51
2016-07-31 07:23:44 C 16 25 11.146 -02 56 44.44 L F51
2020-05-24 13:28:12 C 20 10 57.978 +00 36 10.44 U F51
2020-05-24 14:00:55 C 20 10 58.305 +00 36 22.30 U F51
2020-05-24 14:17:20 C 20 10 58.462 +00 36 28.23 U F51
2020-06-16 12:30:25 C 20 06 16.326 +02 42 12.40 U F52
2020-06-16 12:48:40 C 20 06 15.712 +02 42 13.45 U F52
2022-06-04 12:55:44 C 21 15 00.348 +00 58 25.45 U F52
2022-06-04 13:14:18 C 21 15 00.691 +00 58 31.11 U F52
2022-06-04 13:32:45 C 21 15 01.075 +00 58 36.11 U F52
2022-06-04 13:51:12 C 21 15 01.439 +00 58 41.42 U F52
2022-06-10 10:29:47 C 21 17 31.204 +01 34 03.47 V G96
2022-06-10 10:37:18 C 21 17 31.268 +01 34 05.77 V G96
2022-06-10 10:44:49 C 21 17 31.319 +01 34 07.57 V G96
2022-06-10 10:52:20 C 21 17 31.391 +01 34 09.88 V G96
2022-07-22 08:21:45 C 20 55 46.987 +00 15 29.98 U F52
2022-07-22 08:34:35 C 20 55 46.287 +00 15 24.43 U F52
2022-07-22 08:47:27 C 20 55 45.591 +00 15 18.78 U F52
2022-07-22 09:00:21 C 20 55 44.899 +00 15 12.97 U F52
2022-07-23 09:59:26 C 20 54 26.259 +00 04 01.20 U F52
2022-07-23 10:16:01 C 20 54 25.343 +00 03 53.54 U F52
2022-07-23 10:32:33 C 20 54 24.416 +00 03 46.08 U F52
2022-07-23 10:49:11 C 20 54 23.488 +00 03 38.47 U F52
2022-07-26 16:45:05 C 20 50 11.76 -00 34 05.7 V D29
2022-07-26 17:05:27 C 20 50 10.57 -00 34 15.8 V D29
2022-07-29 08:24:43 C 20 46 41.276 -01 07 41.96 U F52
2022-07-29 08:42:04 C 20 46 40.267 -01 07 51.52 U F52
2022-07-29 08:59:33 C 20 46 39.248 -01 08 01.12 U F52
2022-07-29 09:17:06 C 20 46 38.224 -01 08 10.69 U F52
2022-08-01 13:39:08 C 20 42 22.77 -01 51 36.2 V D29
2022-08-01 14:27:30 C 20 42 19.94 -01 52 03.6 V D29
2022-08-19 07:23:26 C 20 20 56.604 -06 26 26.27 U F52
2022-08-19 07:40:51 C 20 20 55.840 -06 26 37.92 U F52
2022-08-19 07:58:13 C 20 20 55.079 -06 26 49.41 U F52
2022-08-19 08:15:39 C 20 20 54.308 -06 27 01.20 U F52
2022-08-22 07:26:03 C 20 18 09.197 -07 13 56.78 U F52
2022-08-22 07:43:34 C 20 18 08.510 -07 14 08.26 U F52
2022-08-22 08:01:01 C 20 18 07.815 -07 14 19.59 U F52
2022-09-21 07:01:37 C 20 11 03.397 -13 37 56.28 U F51
2022-09-21 07:19:22 C 20 11 03.654 -13 38 02.94 U F51
2022-09-21 07:37:06 C 20 11 03.898 -13 38 09.67 U F51
2022-09-21 07:54:56 C 20 11 04.154 -13 38 16.54 U F51
2024-06-30 13:21:21 C 22 19 15.096 +03 02 27.92 X F51
2024-06-30 13:40:37 C 22 19 15.188 +03 02 28.99 X F51
2024-06-30 14:20:37 C 22 19 15.360 +03 02 30.83 X F51
2024-07-29 11:44:32 C 22 07 48.372 +01 00 58.13 X F52
2024-07-29 12:19:12 C 22 07 46.916 +01 00 43.38 X F52
2024-07-29 12:36:32 C 22 07 46.172 +01 00 35.92 X F52
2024-07-29 16:32:41 C 22 07 37.11 +00 58 53.0 V D29