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
2015-09-13 06:38:28 C 23 04 12.22 +05 59 27.9 q H21
2015-09-13 06:43:41 C 23 04 11.49 +05 59 33.4 q H21
2015-09-13 06:48:55 C 23 04 10.77 +05 59 38.5 q H21
2015-09-13 06:54:08 C 23 04 10.04 +05 59 44.0 q H21
2015-09-13 06:59:22 C 23 04 09.32 +05 59 49.2 q H21
2015-09-14 05:57:32 C 23 01 11.36 +06 23 41.9 R G45
2015-09-14 06:05:14 C 23 01 10.25 +06 23 50.0 R G45
2015-09-14 06:20:05 C 23 01 08.08 +06 24 05.4 R G45
2015-09-14 06:27:25 C 23 01 07.05 +06 24 13.0 R G45
2015-09-14 23:37:53 C 22 58 48.37 +06 42 25.4 18.4 u J43
2015-09-15 00:00:18 C 22 58 45.01 +06 42 49.3 18.6 u J43
2015-09-15 00:22:42 C 22 58 41.66 +06 43 12.7 18.2 u J43
2015-09-15 00:45:14 C 22 58 38.28 +06 43 37.3 18.5 u J43
2015-09-15 05:59:15 C 22 57 56.19 +06 49 11.7 R G45
2015-09-15 06:06:46 C 22 57 55.04 +06 49 20.1 R G45
2015-09-15 06:14:09 C 22 57 53.93 +06 49 27.8 R G45
2015-09-15 06:21:28 C 22 57 52.82 +06 49 35.7 R G45
2015-09-15 06:40:59 C 22 57 49.02 +06 49 51.6 q H21
2015-09-15 06:45:46 C 22 57 48.31 +06 49 56.6 q H21
2015-09-15 06:50:34 C 22 57 47.59 +06 50 01.8 q H21
2015-09-15 06:55:22 C 22 57 46.87 +06 50 07.0 q H21
2015-09-15 07:00:09 C 22 57 46.16 +06 50 11.7 q H21
2015-09-15 07:18:44 C 22 57 43.56 +06 50 35.2 q H45
2015-09-15 07:21:10 C 22 57 43.19 +06 50 37.6 q H45
2015-09-15 07:22:22 C 22 57 42.98 +06 50 38.9 q H45
2015-09-15 07:24:27 C 22 57 42.71 +06 50 41.5 q H45
2015-09-15 07:26:13 C 22 57 42.42 +06 50 43.3 q H45
2015-09-15 07:27:59 C 22 57 42.15 +06 50 45.1 q H45
2015-09-16 06:18:38 C 22 54 29.84 +07 15 34.0 q H21
2015-09-16 06:23:27 C 22 54 29.09 +07 15 39.3 q H21
2015-09-16 06:28:14 C 22 54 28.34 +07 15 44.3 q H21
2015-09-16 06:33:00 C 22 54 27.61 +07 15 49.6 q H21
2015-09-16 06:37:46 C 22 54 26.87 +07 15 54.8 q H21
2015-09-16 06:42:32 C 22 54 26.13 +07 16 00.1 q H21
2015-09-16 06:47:17 C 22 54 25.40 +07 16 05.3 q H21
2015-09-17 05:43:35 C 22 51 05.70 +07 41 42.0 q H45
2015-09-17 05:46:24 C 22 51 05.24 +07 41 45.2 q H45
2015-09-17 05:48:06 C 22 51 04.99 +07 41 47.2 q H45
2015-09-17 05:49:41 C 22 51 04.73 +07 41 49.0 q H45
2015-09-17 05:51:17 C 22 51 04.47 +07 41 51.1 q H45
2015-09-17 05:52:52 C 22 51 04.22 +07 41 52.6 q H45
2015-09-17 06:13:07 C 22 51 01.92 +07 42 18.3 q 703
2015-09-17 06:17:48 C 22 51 01.16 +07 42 23.5 q 703
2015-09-17 06:22:17 C 22 51 00.43 +07 42 28.6 q 703
2015-09-17 06:26:36 C 22 50 59.71 +07 42 32.7 q 703
2015-09-18 20:04:08 C 22 45 17.95 +08 25 33.9 q G38
2015-09-18 20:21:44 C 22 45 15.08 +08 25 54.5 q G38
2015-09-18 20:39:22 C 22 45 11.94 +08 26 15.4 q G38
2015-09-18 23:57:34 C 22 44 38.10 +08 30 04.2 t 204
2015-09-19 00:01:53 C 22 44 37.38 +08 30 09.1 t 204
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)