674590 (2015 RH2)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2665889003 ± 1.39e-08
Semi-major axis (a)1.2178967200 AU ± 5.62e-09
Inclination (i)5.35561610° ± 2.50e-06
Long. of Asc. Node (Ω)332.37372937° ± 1.10e-05
Arg. of Perihelion (ω)115.38531344° ± 1.13e-05
Mean Anomaly (M)143.37293860° ± 5.71e-06
Mean Motion (n)0.7333251587°/day ± 5.08e-09
Perihelion dist (q)0.89321897 AU ± 1.74e-08
Aphelion dist (Q)1.54257447 AU ± 1.84e-08
Orbital Period1.34405082 yr ± 9.31e-09
NGA Modelr2
A2-1.78044172e-13 ± 2.20e-14 AU/d²
Physical Parameters
H (abs. magnitude)22.00
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.251″
Uncertainty0
Orbit TypeApollo
MOID0.011157 AU
Observations Used405
Radar Obs Used1
Oppositions1
Arc Total2015-2024
First Observation Used2015-08-21
Last Observation Used2024-04-01
Observations (412)
Date Type RA Dec Mag Band Observatory
2015-09-19 00:06:26 C 22 44 36.61 +08 30 14.4 t 204
2015-09-19 00:11:00 C 22 44 35.85 +08 30 19.8 t 204
2015-09-19 00:15:33 C 22 44 35.08 +08 30 25.0 t 204
2015-09-20 05:09:51 C 22 39 58.24 +09 04 50.7 q H21
2015-09-20 05:14:02 C 22 39 57.48 +09 04 55.5 q H21
2015-09-20 05:18:13 C 22 39 56.74 +09 05 00.6 q H21
2015-09-20 05:22:24 C 22 39 56.01 +09 05 05.5 q H21
2015-09-20 05:26:35 C 22 39 55.29 +09 05 10.4 q H21
2015-09-21 05:05:33 C 22 36 00.45 +09 33 55.0 q H21
2015-09-21 05:08:10 C 22 35 59.98 +09 33 58.2 q H21
2015-09-21 05:10:47 C 22 35 59.50 +09 34 01.3 q H21
2015-09-21 05:13:24 C 22 35 59.03 +09 34 04.6 q H21
2015-09-21 05:16:01 C 22 35 58.55 +09 34 07.8 q H21
2015-09-21 20:48:29 C 22 33 21.65 +09 53 11.3 q 246
2015-09-21 20:49:13 C 22 33 21.51 +09 53 12.2 q 246
2015-09-21 20:50:47 C 22 33 21.23 +09 53 14.4 q 246
2015-09-21 20:51:12 C 22 33 21.13 +09 53 14.5 q 246
2015-09-21 20:52:48 C 22 33 20.84 +09 53 17.0 q 246
2015-09-21 20:54:02 C 22 33 20.61 +09 53 17.8 q 246
2015-09-21 20:54:33 C 22 33 20.52 +09 53 18.8 q 246
2015-09-21 20:54:56 C 22 33 20.42 +09 53 19.8 q 246
2015-09-23 02:24:09 C 22 28 13.54 +10 30 33.1 u H21
2015-09-23 02:30:13 C 22 28 12.36 +10 30 41.0 u H21
2015-09-23 02:36:12 C 22 28 11.24 +10 30 48.6 u H21
2015-09-23 02:42:11 C 22 28 10.11 +10 30 56.4 u H21
2015-09-23 02:48:16 C 22 28 08.95 +10 31 04.4 u H21
2015-09-23 02:54:02 C 22 28 07.85 +10 31 11.6 u H21
2015-09-23 04:28:18 C 22 27 49.81 +10 33 11.9 q H21
2015-09-23 04:34:25 C 22 27 48.64 +10 33 19.6 q H21
2015-09-23 04:40:30 C 22 27 47.46 +10 33 27.4 q H21
2015-09-23 04:46:27 C 22 27 46.32 +10 33 34.9 q H21
2015-09-23 04:52:24 C 22 27 45.19 +10 33 42.6 q H21
2015-09-23 04:58:30 C 22 27 44.01 +10 33 50.3 q H21
2015-09-23 05:04:36 C 22 27 42.84 +10 33 58.0 q H21
2015-09-24 02:38:37 C 22 23 52.50 +11 01 40.8 u H21
2015-09-24 02:41:07 C 22 23 52.01 +11 01 44.3 u H21
2015-09-24 02:43:38 C 22 23 51.52 +11 01 47.4 u H21
2015-09-24 02:46:08 C 22 23 51.02 +11 01 50.8 u H21
2015-09-24 02:48:38 C 22 23 50.54 +11 01 54.1 u H21
2015-09-24 02:51:08 C 22 23 50.05 +11 01 57.4 u H21
2015-09-24 02:53:38 C 22 23 49.56 +11 02 00.5 u H21
2015-09-24 02:56:09 C 22 23 49.07 +11 02 03.9 u H21
2015-09-24 02:58:39 C 22 23 48.58 +11 02 07.1 u H21
2015-09-24 03:01:09 C 22 23 48.09 +11 02 10.4 u H21
2015-09-24 03:03:39 C 22 23 47.60 +11 02 13.8 u H21
2015-09-24 03:06:09 C 22 23 47.11 +11 02 16.9 u H21
2015-09-24 03:09:17 C 22 23 46.49 +11 02 21.0 u H21
2015-09-30 00:05:27 C 21 56 19.70 +14 13 15.9 S G40
2015-09-30 00:44:08 C 21 56 11.06 +14 14 08.2 S G40
2015-09-30 03:16:19 C 21 55 43.57 +14 17 39.3 u 926
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2015-11-25 15:40:00 -46736.6471 0.1 Hz 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)