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
2021-02-24 23:04:05 S 09 34 29.426 -07 00 07.99 V C57
2021-02-24 23:04:05 s 1 +139586.78 6 +236824.16 500.0 C57
2021-02-24 23:05:59 C 09 28 29.80 -07 09 43.8 V 204
2021-02-24 23:07:40 C 09 28 29.02 -07 09 42.7 V 204
2021-02-24 23:09:40 C 09 28 28.09 -07 09 41.2 V 204
2021-02-24 23:11:40 C 09 28 27.17 -07 09 39.8 V 204
2021-02-24 23:14:00 C 09 28 26.09 -07 09 38.1 V 204
2021-02-24 23:54:05 S 09 34 11.662 -06 59 40.63 V C57
2021-02-24 23:54:05 s 1 +138445.23 3 +239859.77 7320.0 C57
2021-02-25 00:44:05 S 09 33 53.582 -06 59 12.59 V C57
2021-02-25 00:44:05 s 1 +137280.58 5 +242855.19 6960.0 C57
2021-02-25 01:04:05 S 09 33 46.274 -06 59 01.39 V C57
2021-02-25 01:04:05 s 1 +136808.41 2 +244042.18 5900.0 C57
2021-02-25 01:44:05 S 09 33 31.574 -06 58 38.53 V C57
2021-02-25 01:44:05 s 1 +135853.47 6 +246397.15 2120.0 C57
2021-02-25 01:54:05 S 09 33 27.986 -06 58 33.56 V C57
2021-02-25 01:54:05 s 1 +135612.56 6 +246981.94 1720.0 C57
2021-02-25 02:04:05 S 09 33 24.130 -06 58 26.69 V C57
2021-02-25 02:04:05 s 1 +135370.79 5 +247565.16 9550.0 C57
2021-02-25 02:14:05 S 09 33 20.366 -06 58 20.21 V C57
2021-02-25 02:14:05 s 1 +135128.16 9 +248146.81 5630.0 C57
2021-02-25 02:24:05 S 09 33 16.596 -06 58 14.27 V C57
2021-02-25 02:24:05 s 1 +134884.69 3 +248726.89 9980.0 C57
2021-02-25 15:34:05 S 09 27 43.313 -06 49 36.59 V C57
2021-02-25 15:34:05 s 1 +113339.45 0 +289812.91 5730.0 C57
2021-02-25 15:44:05 S 09 27 38.290 -06 49 29.82 V C57
2021-02-25 15:44:05 s 1 +113041.66 3 +290275.50 7630.0 C57
2021-02-25 16:04:05 S 09 27 28.788 -06 49 15.10 V C57
2021-02-25 16:04:05 s 1 +112444.49 1 +291196.53 8070.0 C57
2021-02-25 16:14:05 S 09 27 24.571 -06 49 06.92 V C57
2021-02-25 16:14:05 s 1 +112145.11 1 +291654.99 6630.0 C57
2021-02-25 16:34:05 S 09 27 14.609 -06 48 53.21 V C57
2021-02-25 16:34:05 s 1 +111544.77 9 +292567.78 430.0 C57
2021-02-25 16:44:05 S 09 27 09.857 -06 48 44.86 V C57
2021-02-25 16:44:05 s 1 +111243.83 3 +293022.12 5700.0 C57
2021-02-25 20:14:05 S 09 25 23.842 -06 46 15.10 V C57
2021-02-25 20:14:05 s 1 +104809.09 1 +302250.26 4270.0 C57
2021-02-25 20:24:05 S 09 25 19.735 -06 45 54.22 V C57
2021-02-25 20:24:05 s 1 +104497.43 9 +302674.94 6950.0 C57
2021-02-25 20:34:05 S 09 25 14.546 -06 45 46.40 V C57
2021-02-25 20:34:05 s 1 +104185.33 1 +303098.30 8670.0 C57
2021-02-25 20:44:05 S 09 25 09.343 -06 45 38.59 V C57
2021-02-25 20:44:05 s 1 +103872.77 1 +303520.34 9420.0 C57
2021-02-25 20:54:05 S 09 25 04.111 -06 45 30.35 V C57
2021-02-25 20:54:05 s 1 +103559.76 1 +303941.05 9220.0 C57
2021-02-25 20:59:31 C 09 17 22.25 -06 50 28.6 V G17
2021-02-25 21:01:00 C 09 17 21.33 -06 50 27.1 V G17
2021-02-25 21:02:12 C 09 17 20.59 -06 50 25.4 V G17
2021-02-25 21:04:05 S 09 24 59.129 -06 45 21.96 V C57
2021-02-25 21:04:05 s 1 +103246.30 3 +304360.44 8070.0 C57
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)