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
2021-01-12 09:12:15 C 10 15 04.77 -04 13 35.4 V G96
2021-01-12 09:19:40 C 10 15 04.88 -04 13 37.9 V G96
2021-01-12 09:27:05 C 10 15 05.01 -04 13 40.7 V G96
2021-01-16 12:02:31 C 10 16 49.926 -04 48 51.87 U F52
2021-01-16 12:20:15 C 10 16 50.130 -04 48 58.07 U F52
2021-01-16 12:37:59 C 10 16 50.334 -04 49 04.48 U F52
2021-01-16 12:55:41 C 10 16 50.528 -04 49 10.54 U F52
2021-02-06 07:55:32 C 10 17 12.34 -07 15 13.9 V 703
2021-02-06 08:03:09 C 10 17 12.16 -07 15 15.0 V 703
2021-02-06 08:10:46 C 10 17 11.96 -07 15 16.8 V 703
2021-02-06 08:18:23 C 10 17 11.74 -07 15 18.1 V 703
2021-02-07 06:47:13 C 10 16 43.13 -07 19 57.2 V 703
2021-02-07 06:55:00 C 10 16 42.95 -07 19 58.7 V 703
2021-02-07 07:02:47 C 10 16 42.72 -07 20 00.8 V 703
2021-02-07 07:10:34 C 10 16 42.48 -07 20 02.3 V 703
2021-02-07 11:26:15 C 10 16 35.86 -07 20 48.0 V T08
2021-02-07 11:30:54 C 10 16 35.71 -07 20 48.9 V T08
2021-02-07 11:47:32 C 10 16 35.20 -07 20 52.0 V T08
2021-02-07 11:55:31 C 10 16 34.92 -07 20 53.7 V T08
2021-02-08 07:32:16 C 10 16 05.80 -07 24 48.0 V G96
2021-02-08 07:39:38 C 10 16 05.55 -07 24 49.4 V G96
2021-02-08 07:46:59 C 10 16 05.29 -07 24 50.8 V G96
2021-02-08 07:54:21 C 10 16 05.04 -07 24 52.2 V G96
2021-02-11 11:23:49 C 10 13 34.00 -07 37 23.7 V T08
2021-02-11 11:28:28 C 10 13 33.77 -07 37 24.3 V T08
2021-02-11 12:14:40 C 10 13 31.42 -07 37 30.8 V T08
2021-02-12 03:04:06 S 10 14 54.115 -07 36 44.21 V C57
2021-02-12 03:04:06 s 1 +121657.53 1 +260476.83 5080.0 C57
2021-02-12 03:34:06 S 10 14 53.328 -07 36 51.34 V C57
2021-02-12 03:34:06 s 1 +120884.10 1 +262136.29 1980.0 C57
2021-02-12 03:54:06 S 10 14 52.915 -07 36 55.87 V C57
2021-02-12 03:54:06 s 1 +120364.85 8 +263234.84 5590.0 C57
2021-02-12 05:14:06 S 10 14 50.822 -07 37 10.60 V C57
2021-02-12 05:14:06 s 1 +118259.65 3 +267567.53 260.0 C57
2021-02-12 05:34:06 S 10 14 50.486 -07 37 16.86 V C57
2021-02-12 05:34:06 s 1 +117726.46 0 +268635.43 4320.0 C57
2021-02-12 05:44:06 S 10 14 50.136 -07 37 15.85 V C57
2021-02-12 05:44:06 s 1 +117458.85 3 +269167.11 9200.0 C57
2021-02-12 06:14:06 S 10 14 49.368 -07 37 23.02 V C57
2021-02-12 06:14:06 s 1 +116652.03 4 +270753.07 5360.0 C57
2021-02-12 06:34:06 S 10 14 48.696 -07 37 26.51 V C57
2021-02-12 06:34:06 s 1 +116110.86 3 +271802.86 2460.0 C57
2021-02-12 06:56:54 C 10 12 44.72 -07 40 11.6 V 703
2021-02-12 07:03:52 C 10 12 44.34 -07 40 12.7 V 703
2021-02-12 07:10:50 C 10 12 44.01 -07 40 13.8 V 703
2021-02-12 07:17:47 C 10 12 43.60 -07 40 14.6 V 703
2021-02-12 07:54:06 S 10 14 46.812 -07 37 38.82 V C57
2021-02-12 07:54:06 s 1 +113920.52 0 +275942.24 6230.0 C57
2021-02-12 08:14:06 S 10 14 46.210 -07 37 44.69 V C57
2021-02-12 08:14:06 s 1 +113366.66 9 +276962.26 6300.0 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)