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
2015-09-08 07:00:12 C 23 17 55.97 +04 04 33.5 u H21
2015-09-08 07:04:21 C 23 17 55.52 +04 04 37.4 u H21
2015-09-08 07:09:37 C 23 17 54.93 +04 04 42.2 u H21
2015-09-08 20:53:24 C 23 16 31.72 +04 17 02.3 q A17
2015-09-08 21:04:57 C 23 16 30.41 +04 17 12.1 q A17
2015-09-08 21:20:00 C 23 16 28.72 +04 17 26.4 q A17
2015-09-08 21:33:15 C 23 16 27.46 +04 17 37.8 q J69
2015-09-08 21:48:53 C 23 16 25.86 +04 17 56.0 q I93
2015-09-08 21:49:06 C 23 16 25.68 +04 17 52.6 q J69
2015-09-08 21:58:50 C 23 16 24.74 +04 18 04.9 q I93
2015-09-08 22:08:48 C 23 16 23.61 +04 18 13.9 q I93
2015-09-11 05:53:40 C 23 10 10.77 +05 10 51.6 u H21
2015-09-11 05:57:48 C 23 10 10.25 +05 10 55.3 u H21
2015-09-11 06:01:12 C 23 10 09.81 +05 10 58.9 u H21
2015-09-11 06:04:30 C 23 10 09.39 +05 11 02.2 u H21
2015-09-11 06:08:51 C 23 10 08.84 +05 11 06.3 u H21
2015-09-11 07:20:28 C 23 10 00.42 +05 12 20.3 R G45
2015-09-11 07:28:34 C 23 09 59.38 +05 12 28.0 R G45
2015-09-11 07:36:02 C 23 09 58.40 +05 12 35.2 R G45
2015-09-11 07:40:33 C 23 09 57.79 +05 12 39.5 R G45
2015-09-11 07:48:39 C 23 09 56.76 +05 12 47.4 R G45
2015-09-11 07:56:39 C 23 09 55.76 +05 12 55.7 R G45
2015-09-11 07:56:45 C 23 09 55.72 +05 12 55.6 R G45
2015-09-11 08:04:45 C 23 09 54.77 +05 13 04.0 R G45
2015-09-11 08:12:52 C 23 09 53.66 +05 13 11.3 R G45
2015-09-11 08:12:57 C 23 09 53.65 +05 13 11.0 R G45
2015-09-11 23:01:31 C 23 08 10.01 +05 27 47.5 q G40
2015-09-11 23:11:13 C 23 08 08.75 +05 27 57.0 q G40
2015-09-11 23:31:30 C 23 08 06.07 +05 28 17.2 q G40
2015-09-11 23:51:33 C 23 08 03.35 +05 28 37.3 q G40
2015-09-12 06:36:49 C 23 07 13.42 +05 35 16.8 t 705
2015-09-12 06:38:41 C 23 07 13.15 +05 35 18.6 t 705
2015-09-12 06:40:33 C 23 07 12.90 +05 35 20.3 t 705
2015-09-12 07:13:32 C 23 07 08.47 +05 35 52.5 R G45
2015-09-12 07:21:12 C 23 07 07.46 +05 36 00.4 R G45
2015-09-12 07:28:58 C 23 07 06.39 +05 36 08.3 R G45
2015-09-12 07:36:32 C 23 07 05.38 +05 36 15.4 R G45
2015-09-12 07:49:58 C 23 07 03.57 +05 36 28.7 R G45
2015-09-12 07:57:52 C 23 07 02.50 +05 36 36.8 R G45
2015-09-12 08:06:22 C 23 07 01.36 +05 36 45.0 R G45
2015-09-12 08:46:47 C 23 06 55.44 +05 37 23.7 q H45
2015-09-12 08:48:56 C 23 06 55.13 +05 37 25.9 q H45
2015-09-12 08:50:14 C 23 06 55.01 +05 37 26.6 q H45
2015-09-12 08:52:18 C 23 06 54.70 +05 37 28.4 q H45
2015-09-12 08:53:57 C 23 06 54.48 +05 37 31.2 q H45
2015-09-12 08:55:51 C 23 06 54.28 +05 37 32.6 q H45
2015-09-12 08:57:49 C 23 06 54.01 +05 37 34.8 q H45
2015-09-12 08:59:41 C 23 06 53.73 +05 37 36.0 q H45
2015-09-13 06:28:03 C 23 04 13.67 +05 59 17.4 q H21
2015-09-13 06:33:15 C 23 04 12.95 +05 59 22.6 q 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)