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
2021-02-21 04:54:05 S 09 52 31.027 -07 53 36.13 V C57
2021-02-21 04:54:05 s 1 -167394.41 2 +27198.046 790.0 C57
2021-02-21 05:04:05 S 09 52 28.786 -07 53 33.54 V C57
2021-02-21 05:04:05 s 1 -166919.66 9 +26289.885 3330.0 C57
2021-02-21 05:14:05 S 09 52 26.585 -07 53 29.40 V C57
2021-02-21 05:14:05 s 1 -166440.21 7 +25380.983 6860.0 C57
2021-02-21 05:24:05 S 09 52 24.360 -07 53 24.90 V C57
2021-02-21 05:24:05 s 1 -165956.01 8 +24471.356 1310.0 C57
2021-02-21 05:34:05 S 09 52 22.133 -07 53 21.88 V C57
2021-02-21 05:34:05 s 1 -165467.03 4 +23561.024 6610.0 C57
2021-02-21 05:44:05 S 09 52 19.906 -07 53 17.05 V C57
2021-02-21 05:44:05 s 1 -164973.22 7 +22650.005 2670.0 C57
2021-02-21 05:54:05 S 09 52 17.681 -07 53 13.16 V C57
2021-02-21 05:54:05 s 1 -164474.55 7 +21738.318 9440.0 C57
2021-02-21 06:04:05 S 09 52 15.394 -07 53 09.60 V C57
2021-02-21 06:04:05 s 1 -163970.98 6 +20825.983 6820.0 C57
2021-02-21 06:14:05 S 09 52 13.279 -07 53 04.31 V C57
2021-02-21 06:14:05 s 1 -163462.47 5 +19913.021 4750.0 C57
2021-02-21 06:24:05 S 09 52 10.930 -07 53 02.51 V C57
2021-02-21 06:24:05 s 1 -162948.98 4 +18999.452 3130.0 C57
2021-02-21 06:34:05 S 09 52 08.743 -07 52 58.19 V C57
2021-02-21 06:34:05 s 1 -162430.47 1 +18085.298 1910.0 C57
2021-02-21 06:44:05 S 09 52 06.557 -07 52 53.04 V C57
2021-02-21 06:44:05 s 1 -161906.89 8 +17170.580 990.0 C57
2021-02-21 06:54:05 S 09 52 04.289 -07 52 49.73 V C57
2021-02-21 06:54:05 s 1 -161378.22 2 +16255.321 290.0 C57
2021-02-21 07:04:05 S 09 52 02.134 -07 52 44.94 V C57
2021-02-21 07:04:05 s 1 -160844.40 2 +15339.544 9730.0 C57
2021-02-21 07:24:05 S 09 51 57.607 -07 52 37.24 V C57
2021-02-21 07:24:05 s 1 -159761.16 2 +13506.531 8720.0 C57
2021-02-21 07:34:05 S 09 51 55.493 -07 52 32.20 V C57
2021-02-21 07:34:05 s 1 -159211.65 7 +12589.343 8100.0 C57
2021-02-21 07:44:05 S 09 51 53.143 -07 52 27.66 V C57
2021-02-21 07:44:05 s 1 -158656.83 8 +11671.735 7280.0 C57
2021-02-21 07:54:05 S 09 51 50.849 -07 52 23.34 V C57
2021-02-21 07:54:05 s 1 -158096.66 1 +10753.734 6190.0 C57
2021-02-21 08:04:05 S 09 51 48.773 -07 52 19.42 V C57
2021-02-21 08:04:05 s 1 -157531.08 2 + 9835.364 4730.0 C57
2021-02-21 08:14:05 S 09 51 46.337 -07 52 16.82 V C57
2021-02-21 08:14:05 s 1 -156960.05 7 + 8916.655 2820.0 C57
2021-02-21 08:24:05 S 09 51 44.186 -07 52 11.03 V C57
2021-02-21 08:24:05 s 1 -156383.54 1 + 7997.634 370.0 C57
2021-02-21 08:34:05 S 09 51 41.921 -07 52 06.42 V C57
2021-02-21 08:34:05 s 1 -155801.48 9 + 7078.330 7300.0 C57
2021-02-21 08:44:05 S 09 51 39.682 -07 52 03.36 V C57
2021-02-21 08:44:05 s 1 -155213.85 4 + 6158.773 3500.0 C57
2021-02-21 08:54:05 S 09 51 37.505 -07 51 57.31 V C57
2021-02-21 08:54:05 s 1 -154620.59 1 + 5238.992 8890.0 C57
2021-02-21 09:04:05 S 09 51 35.174 -07 51 54.43 V C57
2021-02-21 09:04:05 s 1 -154021.65 2 + 4319.019 3380.0 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)