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
2016-03-10 14:15:06 C 15 04 05.246 -28 37 15.97 L F51
2016-03-10 14:29:24 C 15 04 04.397 -28 37 24.85 L F51
2019-07-29 09:44:36 C 22 29 55.86 -15 47 40.4 o 291
2019-07-29 09:51:03 C 22 29 55.56 -15 47 40.7 o 291
2019-07-29 09:57:31 C 22 29 55.22 -15 47 40.5 o 291
2019-08-07 13:46:24 C 22 16 50.61 -15 55 51.7 V 474
2019-08-07 13:56:32 C 22 16 49.80 -15 55 52.2 V 474
2019-08-08 11:33:05 C 22 15 10.059 -15 57 22.30 U F52
2019-08-08 11:50:52 C 22 15 08.537 -15 57 23.26 U F52
2019-08-08 12:08:40 C 22 15 07.023 -15 57 23.92 U F52
2019-08-08 12:26:25 C 22 15 05.498 -15 57 24.83 U F52
2019-08-20 04:54:45 C 21 47 51.73 -16 05 43.2 o 691
2019-08-20 05:12:37 C 21 47 49.60 -16 05 43.6 o 691
2019-08-28 09:53:39 C 21 24 09.626 -15 54 13.25 U F51
2019-08-28 10:12:19 C 21 24 07.160 -15 54 11.16 U F51
2019-08-28 10:30:58 C 21 24 04.675 -15 54 08.78 U F51
2019-08-28 10:49:36 C 21 24 02.201 -15 54 06.54 U F51
2019-08-30 06:14:33 C 21 18 38.90 -15 48 36.6 o 691
2019-08-30 06:22:37 C 21 18 37.81 -15 48 35.4 o 691
2019-08-30 06:30:42 C 21 18 36.74 -15 48 34.3 o 691
2019-09-04 04:32:12 C 21 04 09.80 -15 27 06.9 o 691
2019-09-04 04:47:24 C 21 04 07.86 -15 27 03.3 o 691
2019-09-04 05:02:38 C 21 04 05.89 -15 27 00.5 o 691
2019-09-18 02:57:47 C 20 29 50.46 -13 40 29.0 o 691
2019-09-18 03:07:35 C 20 29 49.58 -13 40 25.0 o 691
2019-09-18 03:17:21 C 20 29 48.75 -13 40 21.1 o 691
2019-09-19 03:02:45 C 20 27 55.61 -13 30 43.3 o 691
2019-09-19 03:28:00 C 20 27 53.48 -13 30 33.3 o 691
2019-09-21 02:41:27 C 20 24 23.78 -13 10 47.5 o 291
2019-09-21 02:47:55 C 20 24 23.25 -13 10 44.5 o 291
2019-09-22 02:25:33 C 20 22 45.84 -13 00 34.6 o 291
2019-09-22 02:32:02 C 20 22 45.36 -13 00 31.6 o 291
2019-09-22 02:38:29 C 20 22 44.87 -13 00 28.6 o 291
2019-09-29 04:01:03 C 20 13 31.83 -11 42 59.7 o 691
2019-09-29 04:31:38 C 20 13 30.24 -11 42 44.5 o 691
2019-09-29 06:12:55 C 20 13 26.658 -11 41 51.51 U F51
2019-09-29 06:31:34 C 20 13 25.715 -11 41 42.42 U F51
2019-09-29 06:50:09 C 20 13 24.782 -11 41 33.58 U F51
2019-09-29 07:08:41 C 20 13 23.859 -11 41 24.52 U F51
2019-09-30 02:26:05 C 20 12 38.41 -11 32 11.8 o 691
2019-09-30 02:41:38 C 20 12 37.68 -11 32 04.0 o 691
2019-09-30 02:57:09 C 20 12 37.02 -11 31 56.6 o 691
2019-10-02 04:06:53 C 20 10 53.04 -11 07 51.9 o 691
2019-10-02 04:26:04 C 20 10 52.30 -11 07 42.7 o 691
2019-10-02 14:21:37 S 20 10 34.29 -11 02 28.6 L C51
2019-10-02 20:38:26 S 20 10 23.06 -10 59 21.2 L C51
2019-10-03 01:21:11 S 20 10 14.84 -10 57 00.5 L C51
2019-10-03 02:54:31 S 20 10 12.05 -10 56 12.5 L C51
2019-10-03 04:29:30 S 20 10 09.47 -10 55 27.7 L C51
2019-10-03 10:46:19 S 20 09 58.87 -10 52 17.0 L C51
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)