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
2015-10-07 03:42:31 C 21 18 45.00 +18 18 27.3 u H21
2015-10-07 03:46:52 C 21 18 43.93 +18 18 33.3 u H21
2015-10-07 03:51:13 C 21 18 42.86 +18 18 39.3 u H21
2015-10-07 03:53:41 C 21 18 42.25 +18 18 42.8 u H21
2015-10-08 02:22:53 C 21 13 31.82 +18 51 07.7 u H21
2015-10-08 02:28:06 C 21 13 30.50 +18 51 15.2 u H21
2015-10-08 02:32:27 C 21 13 29.42 +18 51 21.4 u H21
2015-10-08 02:36:46 C 21 13 28.32 +18 51 27.5 u H21
2015-10-08 02:46:00 C 21 13 26.01 +18 51 40.7 u H21
2015-10-10 02:51:44 C 21 02 07.98 +20 00 38.7 u H21
2015-10-10 02:54:50 C 21 02 07.18 +20 00 43.0 u H21
2015-10-10 02:57:56 C 21 02 06.40 +20 00 47.3 u H21
2015-10-10 03:01:02 C 21 02 05.60 +20 00 51.6 u H21
2015-10-11 00:20:33 C 20 57 03.80 +20 31 15.1 u H21
2015-10-11 00:23:35 C 20 57 03.00 +20 31 19.8 u H21
2015-10-11 00:26:43 C 20 57 02.22 +20 31 24.4 u H21
2015-10-11 00:29:51 C 20 57 01.39 +20 31 29.1 u H21
2015-10-11 01:47:11 C 20 56 41.41 +20 33 19.6 u H21
2015-10-11 01:50:17 C 20 56 40.63 +20 33 24.0 u H21
2015-10-11 01:56:28 C 20 56 39.02 +20 33 32.7 u H21
2015-10-11 02:01:06 C 20 56 37.81 +20 33 39.0 u H21
2015-10-12 01:42:29 C 20 50 56.47 +21 07 12.4 u H21
2015-10-12 01:46:48 C 20 50 55.35 +21 07 18.5 u H21
2015-10-12 01:50:29 C 20 50 54.37 +21 07 23.8 u H21
2015-10-12 01:53:36 C 20 50 53.56 +21 07 28.1 u H21
2015-10-12 01:56:42 C 20 50 52.75 +21 07 32.4 u H21
2015-10-12 01:59:55 C 20 50 51.90 +21 07 37.0 u H21
2015-10-12 02:03:07 C 20 50 51.06 +21 07 41.4 u H21
2015-10-13 04:48:42 C 20 44 19.97 +21 45 25.2 o 291
2015-10-13 04:49:50 C 20 44 19.66 +21 45 26.7 o 291
2015-10-13 04:50:59 C 20 44 19.37 +21 45 28.2 o 291
2015-10-13 19:19:12 C 20 40 48.13 +22 05 21.3 t L04
2015-10-13 19:22:29 C 20 40 47.29 +22 05 25.8 t L04
2015-10-15 04:48:21 C 20 32 35.893 +22 52 17.32 t 568
2015-10-15 04:50:05 C 20 32 35.420 +22 52 19.73 t 568
2015-10-22 18:14:46 S 19 46 04.723 +26 47 26.56 L C51
2015-11-01 01:52:25 C 18 43 01.59 +30 29 47.6 o 291
2015-11-01 01:54:07 C 18 43 01.02 +30 29 48.6 o 291
2015-11-01 01:57:31 C 18 42 59.93 +30 29 50.4 o 691
2015-11-01 02:00:06 C 18 42 59.08 +30 29 52.3 o 691
2016-02-05 08:19:01 C 15 03 47.49 -17 10 31.6 u 807
2016-02-05 08:31:59 C 15 03 47.87 -17 10 45.0 u 807
2016-02-05 08:44:29 C 15 03 48.19 -17 10 57.7 u 807
2016-02-09 03:44:19 S 15 06 35.767 -18 41 09.42 L C51
2016-02-09 21:02:43 S 15 07 05.021 -18 57 53.57 L C51
2016-02-10 06:29:09 S 15 07 20.558 -19 06 58.25 L C51
2016-02-20 12:26:56 C 15 12 00.11 -22 51 05.6 o 695
2016-02-20 12:33:06 C 15 12 00.11 -22 51 10.9 o 695
2016-02-20 12:39:16 C 15 12 00.12 -22 51 16.2 o 695
2016-03-10 14:00:46 C 15 04 06.089 -28 37 07.09 L F51
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)