612098 (1999 RM45)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6446923321 ± 1.04e-08
Semi-major axis (a)1.6832556829 AU ± 1.60e-09
Inclination (i)10.89138239° ± 2.01e-06
Long. of Asc. Node (Ω)162.56830464° ± 8.09e-07
Arg. of Perihelion (ω)89.00797597° ± 2.15e-06
Mean Anomaly (M)35.89941979° ± 1.10e-06
Mean Motion (n)0.4513226631°/day ± 6.43e-10
Perihelion dist (q)0.59807365 AU ± 1.74e-08
Aphelion dist (Q)2.76843771 AU ± 1.76e-08
Orbital Period2.18386171 yr ± 3.11e-09
Physical Parameters
H (abs. magnitude)19.82
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.360″
Uncertainty0
Orbit TypeApollo
MOID0.004195 AU
Observations Used1680
Radar Obs Used2
Oppositions12
Arc Total1999-2023
First Observation Used1999-09-14
Last Observation Used2023-10-17
Observations (2604)
Date Type RA Dec Mag Band Observatory
2021-03-03 12:16:06 C 03 07 31.218 +07 32 36.19 V O85
2021-03-03 12:17:30 C 03 07 24.316 +07 32 47.28 V O85
2021-03-03 12:20:14 C 03 07 10.855 +07 33 09.28 V O85
2021-03-03 12:24:22 C 03 06 50.516 +07 33 42.46 V O85
2021-03-03 12:28:29 C 03 06 30.237 +07 34 15.88 V O85
2021-03-03 12:34:00 C 03 06 03.231 +07 34 59.94 V O85
2021-11-11 08:42:32 C 02 44 42.450 -01 21 58.33 U F51
2021-11-11 09:00:48 C 02 44 41.238 -01 22 02.49 U F51
2021-11-11 09:19:16 C 02 44 40.017 -01 22 07.08 U F51
2021-11-11 09:37:30 C 02 44 38.790 -01 22 11.24 U F51
2023-09-10 02:30:41 B 02 56 33.18 +04 57 38.7 X K19
2023-09-10 02:35:54 B 02 56 32.49 +04 57 30.3 X K19
2023-09-10 02:41:06 B 02 56 31.75 +04 57 22.8 X K19
2023-09-10 12:23:04 C 02 55 18.363 +04 43 04.66 X F52
2023-09-10 12:39:42 C 02 55 16.162 +04 42 40.16 X F52
2023-09-10 12:56:25 C 02 55 13.953 +04 42 15.31 X F52
2023-09-10 13:13:17 C 02 55 11.719 +04 41 50.31 X F52
2023-09-18 08:21:41 C 02 30 55.796 +00 15 07.24 V 703
2023-09-18 08:44:43 C 02 30 52.722 +00 14 36.56 V 703
2023-09-18 12:38:39 C 02 30 21.761 +00 09 25.47 X F52
2023-09-18 12:55:24 C 02 30 19.465 +00 09 02.94 X F52
2023-09-18 13:12:12 C 02 30 17.171 +00 08 40.33 X F52
2023-09-20 08:34:18 C 02 24 36.335 -00 48 43.81 V G96
2023-09-20 08:41:44 C 02 24 35.327 -00 48 53.35 V G96
2023-09-20 08:59:00 C 02 24 32.987 -00 49 15.82 V G96
2023-09-24 07:39:09 C 02 12 14.411 -02 46 51.35 V 703
2023-09-24 07:46:59 C 02 12 13.378 -02 47 00.49 V 703
2023-09-24 07:54:48 C 02 12 12.323 -02 47 09.96 V 703
2023-09-24 08:02:37 C 02 12 11.315 -02 47 19.39 V 703
2023-09-25 13:31:19 C 02 08 23.926 -03 21 31.42 X F51
2023-09-25 13:50:35 C 02 08 21.377 -03 21 53.28 X F51
2023-09-25 14:08:57 C 02 08 18.954 -03 22 14.27 X F51
2023-10-03 12:41:01 C 01 45 05.815 -06 33 10.05 X F52
2023-10-03 13:01:20 C 01 45 03.377 -06 33 27.45 X F52
2023-10-03 13:21:37 C 01 45 00.977 -06 33 44.79 X F52
2023-10-04 09:32:13 C 01 42 43.067 -06 50 46.25 V 703
2023-10-04 09:39:55 C 01 42 42.242 -06 50 53.63 V 703
2023-10-04 09:47:37 C 01 42 41.396 -06 50 59.75 V 703
2023-10-04 09:55:19 C 01 42 40.529 -06 51 06.01 V 703
2023-10-06 10:14:45 C 01 37 19.499 -07 29 08.33 X F51
2023-10-06 10:35:12 C 01 37 17.191 -07 29 23.72 X F51
2023-10-06 10:55:38 C 01 37 14.880 -07 29 39.07 X F51
2023-10-06 11:16:04 C 01 37 12.574 -07 29 54.32 X F51
2023-10-12 08:18:58 C 01 22 55.713 -09 00 38.99 X F52
2023-10-12 08:35:50 C 01 22 54.068 -09 00 48.10 X F52
2023-10-12 09:09:26 C 01 22 50.807 -09 01 06.27 X F52
2023-10-16 06:22:21 C 01 14 36.560 -09 45 17.60 V G96
2023-10-16 06:29:53 C 01 14 35.923 -09 45 20.63 V G96
2023-10-16 06:37:24 C 01 14 35.272 -09 45 23.90 V G96
2023-10-16 06:44:54 C 01 14 34.631 -09 45 26.86 V G96
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2021-02-28 05:50:00 35636974 1 us 8560 -14 -14
2021-03-01 06:00:00 26679641.447 1 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)