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
2015-09-30 03:22:49 C 21 55 42.10 +14 17 49.1 u 926
2015-09-30 03:29:19 C 21 55 40.60 +14 17 58.0 u 926
2015-09-30 04:10:29 C 21 55 31.39 +14 18 56.5 u 926
2015-09-30 04:17:03 C 21 55 29.93 +14 19 05.7 u 926
2015-09-30 04:23:31 C 21 55 28.42 +14 19 14.2 u 926
2015-10-01 01:43:57 C 21 51 01.87 +14 49 08.9 u H21
2015-10-01 01:46:54 C 21 51 01.20 +14 49 13.1 u H21
2015-10-01 01:49:50 C 21 51 00.50 +14 49 17.5 u H21
2015-10-01 01:53:34 C 21 50 59.65 +14 49 22.5 u H21
2015-10-01 04:14:14 C 21 50 29.25 +14 52 50.7 q 703
2015-10-01 04:20:02 C 21 50 27.94 +14 52 58.9 q 703
2015-10-01 04:25:48 C 21 50 26.64 +14 53 07.7 q 703
2015-10-01 04:31:36 C 21 50 25.27 +14 53 15.6 q 703
2015-10-01 17:48:42 C 21 47 38.09 +15 11 45.0 q 246
2015-10-01 17:50:26 C 21 47 37.74 +15 11 47.5 q 246
2015-10-01 17:51:01 C 21 47 37.55 +15 11 47.8 q 246
2015-10-01 17:52:35 C 21 47 37.26 +15 11 50.6 q 246
2015-10-01 17:53:21 C 21 47 37.02 +15 11 51.0 q 246
2015-10-01 17:56:38 C 21 47 36.36 +15 11 55.8 q 246
2015-10-01 17:57:03 C 21 47 36.17 +15 11 56.4 q 246
2015-10-01 17:57:35 C 21 47 36.11 +15 11 57.4 q 246
2015-10-02 01:37:44 C 21 45 57.33 +15 23 03.4 u H21
2015-10-02 01:43:47 C 21 45 55.93 +15 23 12.2 u H21
2015-10-02 01:45:48 C 21 45 55.47 +15 23 15.0 u H21
2015-10-02 01:51:52 C 21 45 54.05 +15 23 23.8 u H21
2015-10-02 01:53:53 C 21 45 53.59 +15 23 26.6 u H21
2015-10-02 01:55:54 C 21 45 53.12 +15 23 29.5 u H21
2015-10-02 01:57:55 C 21 45 52.66 +15 23 32.4 u H21
2015-10-02 01:59:56 C 21 45 52.19 +15 23 35.3 u H21
2015-10-02 02:01:57 C 21 45 51.73 +15 23 38.3 u H21
2015-10-02 02:03:58 C 21 45 51.25 +15 23 41.2 u H21
2015-10-03 18:57:08 C 21 36 58.40 +16 21 58.8 q 246
2015-10-03 18:58:27 C 21 36 58.02 +16 22 01.2 q 246
2015-10-03 18:58:46 C 21 36 58.00 +16 22 01.7 q 246
2015-10-03 18:59:07 C 21 36 57.92 +16 22 01.9 q 246
2015-10-03 19:00:04 C 21 36 57.68 +16 22 02.7 q 246
2015-10-03 19:00:45 C 21 36 57.48 +16 22 04.5 q 246
2015-10-03 19:01:09 C 21 36 57.42 +16 22 05.0 q 246
2015-10-03 19:01:36 C 21 36 57.34 +16 22 05.0 q 246
2015-10-05 02:54:10 C 21 29 51.27 +17 08 07.5 q H21
2015-10-05 03:01:50 C 21 29 49.41 +17 08 18.4 q H21
2015-10-05 03:09:29 C 21 29 47.56 +17 08 29.3 q H21
2015-10-05 03:17:08 C 21 29 45.73 +17 08 40.1 q H21
2015-10-05 03:24:46 C 21 29 43.87 +17 08 51.2 q H21
2015-10-06 02:45:21 C 21 24 29.70 +17 42 37.1 R G45
2015-10-06 03:05:52 C 21 24 24.64 +17 43 07.0 R G45
2015-10-06 03:13:33 C 21 24 22.75 +17 43 18.0 R G45
2015-10-06 03:25:37 C 21 24 19.79 +17 43 35.7 R G45
2015-10-07 03:33:49 C 21 18 47.16 +18 18 14.8 u H21
2015-10-07 03:38:10 C 21 18 46.07 +18 18 21.1 u H21
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)