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
2021-02-26 18:42:19 C 09 02 04.43 -06 21 39.7 V K83
2021-02-26 18:43:31 C 09 02 03.39 -06 21 38.0 V K83
2021-02-26 18:44:05 S 09 10 59.107 -06 23 03.34 V C57
2021-02-26 18:44:05 s 1 +59512.278 0 +348203.22 2100.0 C57
2021-02-26 18:45:01 C 09 02 02.11 -06 21 35.5 V K83
2021-02-26 18:54:05 S 09 10 51.367 -06 22 50.63 V C57
2021-02-26 18:54:05 s 1 +59158.496 0 +348462.22 2580.0 C57
2021-02-26 19:04:05 S 09 10 43.692 -06 22 38.21 V C57
2021-02-26 19:04:05 s 1 +58804.523 0 +348720.07 2620.0 C57
2021-02-26 19:14:05 S 09 10 35.446 -06 22 24.82 V C57
2021-02-26 19:14:05 s 1 +58450.359 0 +348976.79 2210.0 C57
2021-02-26 19:44:05 S 09 10 11.136 -06 21 44.32 V C57
2021-02-26 19:44:05 s 1 +57386.740 0 +349740.08 8370.0 C57
2021-02-26 20:04:05 S 09 09 54.739 -06 21 17.39 V C57
2021-02-26 20:04:05 s 1 +56676.735 0 +350243.26 3640.0 C57
2021-02-26 20:14:05 S 09 09 46.826 -06 21 04.39 V C57
2021-02-26 20:14:05 s 1 +56321.459 0 +350493.14 630.0 C57
2021-02-26 20:24:05 S 09 09 38.640 -06 20 51.25 V C57
2021-02-26 20:24:05 s 1 +55966.003 0 +350741.88 7200.0 C57
2021-02-26 20:34:05 S 09 09 30.492 -06 20 37.43 V C57
2021-02-26 20:34:05 s 1 +55610.368 0 +350989.49 3350.0 C57
2021-02-26 20:44:04 C 09 00 12.24 -06 18 22.4 V C40
2021-02-26 20:44:05 S 09 09 22.260 -06 20 24.04 V C57
2021-02-26 20:44:05 s 1 +55254.556 0 +351235.97 9080.0 C57
2021-02-26 20:54:05 S 09 09 14.110 -06 20 10.54 V C57
2021-02-26 20:54:05 s 1 +54898.567 0 +351481.32 4400.0 C57
2021-02-26 21:04:05 S 09 09 05.434 -06 19 56.06 V C57
2021-02-26 21:04:05 s 1 +54542.405 0 +351725.54 9310.0 C57
2021-02-26 21:09:32 C 08 59 49.02 -06 17 38.8 V C40
2021-02-26 21:14:05 S 09 08 57.372 -06 19 42.10 V C57
2021-02-26 21:14:05 s 1 +54186.069 0 +351968.62 3800.0 C57
2021-02-26 21:15:42 C 08 59 43.37 -06 17 27.9 V C40
2021-02-26 21:24:05 S 09 08 49.474 -06 19 29.89 V C57
2021-02-26 21:24:05 s 1 +53829.561 0 +352210.58 7890.0 C57
2021-02-26 21:34:05 S 09 08 41.107 -06 19 15.67 V C57
2021-02-26 21:34:05 s 1 +53472.883 0 +352451.40 1570.0 C57
2021-02-26 21:44:05 S 09 08 32.645 -06 19 01.67 V C57
2021-02-26 21:44:05 s 1 +53116.036 0 +352691.10 4860.0 C57
2021-02-26 21:54:05 S 09 08 24.118 -06 18 47.84 V C57
2021-02-26 21:54:05 s 1 +52759.022 0 +352929.68 7740.0 C57
2021-02-26 22:04:05 S 09 08 15.110 -06 18 32.62 V C57
2021-02-26 22:04:05 s 1 +52401.841 0 +353167.13 230.0 C57
2021-02-26 22:14:05 S 09 08 07.349 -06 18 19.84 V C57
2021-02-26 22:14:05 s 1 +52044.496 0 +353403.45 2330.0 C57
2021-02-26 22:24:05 S 09 07 58.910 -06 18 05.87 V C57
2021-02-26 22:24:05 s 1 +51686.987 0 +353638.65 4030.0 C57
2021-02-26 22:34:05 S 09 07 49.973 -06 17 51.00 V C57
2021-02-26 22:34:05 s 1 +51329.317 0 +353872.73 5350.0 C57
2021-02-26 22:44:05 S 09 07 41.131 -06 17 36.20 V C57
2021-02-26 22:44:05 s 1 +50971.485 0 +354105.68 6290.0 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)