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
2015-08-21 12:09:08 C 23 44 30.176 -01 04 48.65 L F51
2015-08-21 12:27:20 C 23 44 29.473 -01 04 37.32 L F51
2015-08-21 12:45:30 C 23 44 28.811 -01 04 26.64 L F51
2015-08-21 13:03:42 C 23 44 28.141 -01 04 15.93 L F51
2015-09-06 19:30:57 C 23 21 27.18 +03 33 11.1 18.7 q L51
2015-09-06 19:36:06 C 23 21 26.56 +03 33 15.2 18.6 q L51
2015-09-06 19:41:14 C 23 21 26.01 +03 33 18.9 18.7 q L51
2015-09-06 21:46:25 C 23 21 14.18 +03 35 03.6 q J95
2015-09-06 21:51:25 C 23 21 13.64 +03 35 08.3 q J95
2015-09-06 21:56:21 C 23 21 13.17 +03 35 12.9 q J95
2015-09-06 23:08:48 C 23 21 05.62 +03 36 15.6 q Z99
2015-09-06 23:13:28 C 23 21 05.12 +03 36 19.4 q Z99
2015-09-06 23:18:07 C 23 21 04.65 +03 36 23.5 q Z99
2015-09-07 00:13:23 C 23 20 58.63 +03 37 16.0 q K38
2015-09-07 00:35:10 C 23 20 56.38 +03 37 34.8 q K38
2015-09-07 01:00:30 C 23 20 53.77 +03 37 57.2 q K38
2015-09-07 05:45:28 C 23 20 27.24 +03 42 09.5 u H21
2015-09-07 05:48:11 C 23 20 26.95 +03 42 12.0 u H21
2015-09-07 05:51:05 C 23 20 26.65 +03 42 14.5 u H21
2015-09-07 07:55:36 C 23 20 14.21 +03 44 08.6 q 703
2015-09-07 08:06:53 C 23 20 12.97 +03 44 18.2 q I52
2015-09-07 08:10:09 C 23 20 12.64 +03 44 21.6 q 703
2015-09-07 08:10:19 C 23 20 12.62 +03 44 20.9 q I52
2015-09-07 08:13:45 C 23 20 12.28 +03 44 24.4 q I52
2015-09-07 08:17:11 C 23 20 11.85 +03 44 27.3 q I52
2015-09-07 08:17:25 C 23 20 11.73 +03 44 26.5 q 703
2015-09-07 20:00:55 C 23 19 04.69 +03 54 39.3 o K51
2015-09-07 20:04:05 C 23 19 04.35 +03 54 42.4 o K51
2015-09-07 20:05:51 C 23 19 04.03 +03 54 40.8 S 033
2015-09-07 20:07:16 C 23 19 04.01 +03 54 45.3 o K51
2015-09-07 20:09:15 C 23 19 03.67 +03 54 43.7 S 033
2015-09-07 20:12:40 C 23 19 03.24 +03 54 47.6 S 033
2015-09-07 21:03:36 C 23 18 57.91 +03 55 32.4 S 033
2015-09-07 21:07:01 C 23 18 57.54 +03 55 35.6 S 033
2015-09-07 21:10:26 C 23 18 57.17 +03 55 38.5 S 033
2015-09-07 21:50:30 C 23 18 53.38 +03 56 19.0 q 958
2015-09-07 22:01:34 C 23 18 52.16 +03 56 28.6 q 958
2015-09-07 22:12:39 C 23 18 50.96 +03 56 38.6 q 958
2015-09-07 22:44:26 C 23 18 45.92 +03 57 07.3 v B18
2015-09-07 22:49:05 C 23 18 45.41 +03 57 11.5 v B18
2015-09-07 22:56:51 C 23 18 44.56 +03 57 18.2 v B18
2015-09-07 22:59:57 C 23 18 44.22 +03 57 21.1 v B18
2015-09-07 23:01:30 C 23 18 44.05 +03 57 22.6 v B18
2015-09-07 23:18:56 C 23 18 43.74 +03 57 33.4 q J95
2015-09-07 23:27:14 C 23 18 42.82 +03 57 40.4 q J95
2015-09-07 23:59:34 C 23 18 38.85 +03 58 09.8 S 033
2015-09-08 00:02:59 C 23 18 38.49 +03 58 12.8 S 033
2015-09-08 00:06:24 C 23 18 38.12 +03 58 15.8 S 033
2015-09-08 06:50:56 C 23 17 57.01 +04 04 25.3 u H21
2015-09-08 06:55:28 C 23 17 56.51 +04 04 29.4 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)