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
1999-09-14 07:47:55 C 02 22 37.39 +00 20 32.3 18.8 a 704
1999-09-14 08:06:19 C 02 22 33.85 +00 19 57.1 18.9 a 704
1999-09-14 08:24:30 C 02 22 30.35 +00 19 22.1 19.4 a 704
1999-09-14 08:42:45 C 02 22 26.80 +00 18 46.6 19.0 a 704
1999-09-14 09:01:05 C 02 22 23.31 +00 18 12.6 19.2 a 704
1999-09-14 23:08:59 C 02 19 46.90 -00 08 33.8 557
1999-09-14 23:10:51 C 02 19 46.54 -00 08 37.0 557
1999-09-14 23:12:41 C 02 19 46.18 -00 08 40.3 557
1999-09-14 23:14:34 C 02 19 45.85 -00 08 44.3 557
1999-09-14 23:17:13 C 02 19 45.42 -00 08 48.5 d 046
1999-09-14 23:19:24 C 02 19 45.01 -00 08 51.9 d 046
1999-09-14 23:21:17 C 02 19 44.63 -00 08 56.3 d 046
1999-09-14 23:22:50 C 02 19 44.36 -00 08 58.5 d 046
1999-09-15 01:52:39 C 02 19 16.04 -00 13 38.2 c 118
1999-09-15 01:57:26 C 02 19 15.14 -00 13 47.2 c 118
1999-09-15 02:02:26 C 02 19 14.22 -00 13 56.4 c 118
1999-09-15 08:53:20 C 02 17 59.81 -00 26 37.1 848
1999-09-15 08:57:02 C 02 17 59.07 -00 26 44.0 848
1999-09-15 09:00:44 C 02 17 58.38 -00 26 50.8 848
1999-09-15 09:04:26 C 02 17 57.70 -00 26 57.8 848
1999-09-15 09:08:07 C 02 17 57.00 -00 27 04.4 848
1999-09-15 09:43:31 C 02 17 49.97 -00 28 04.8 z 711
1999-09-15 09:50:10 C 02 17 48.69 -00 28 17.0 z 711
1999-09-15 09:56:18 C 02 17 47.52 -00 28 28.4 z 711
1999-09-16 00:03:49 C 02 15 14.49 -00 54 21.7 557
1999-09-16 00:10:53 C 02 15 13.07 -00 54 34.0 557
1999-09-16 01:38:36 C 02 14 56.89 -00 57 11.3 595
1999-09-16 01:47:30 C 02 14 55.19 -00 57 27.7 595
1999-09-16 01:54:45 C 02 14 53.87 -00 57 41.7 595
1999-09-16 14:04:19 C 02 12 44.19 -01 18 50.1 d 426
1999-09-16 14:10:33 C 02 12 43.09 -01 19 02.2 d 426
1999-09-16 14:22:03 C 02 12 41.01 -01 19 23.0 d 426
1999-09-19 10:39:24 C 02 00 49.47 -03 14 45.3 c 658
1999-09-19 10:43:15 C 02 00 48.79 -03 14 51.5 c 658
1999-09-19 10:46:30 C 02 00 48.25 -03 14 56.4 c 658
1999-09-20 09:35:55 C 01 57 00.54 -03 50 34.7 c 658
1999-09-20 09:40:33 C 01 56 59.69 -03 50 42.2 c 658
1999-09-20 09:44:59 C 01 56 58.97 -03 50 48.5 c 658
1999-10-05 15:07:03 C 01 07 31.55 -10 22 57.3 413
1999-10-05 15:09:57 C 01 07 31.22 -10 22 59.2 413
1999-10-06 07:15:07 C 01 05 50.71 -10 33 43.4 19.1 a 704
1999-10-06 07:34:11 C 01 05 48.69 -10 33 55.0 19.4 a 704
1999-10-06 07:53:13 C 01 05 46.61 -10 34 07.6 19.5 a 704
1999-10-06 08:12:17 C 01 05 44.61 -10 34 19.6 19.9 a 704
1999-10-06 15:46:41 C 01 04 57.97 -10 38 43.6 413
1999-10-06 15:49:35 C 01 04 57.67 -10 38 45.5 413
1999-10-06 15:52:50 C 01 04 57.33 -10 38 47.6 413
1999-10-07 14:14:21 C 01 02 43.69 -10 52 06.0 413
1999-10-07 14:16:50 C 01 02 43.45 -10 52 07.2 413
1999-10-07 14:19:19 C 01 02 43.20 -10 52 08.8 413
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)