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
2019-10-04 02:36:37 C 20 09 34.19 -10 44 37.4 o 691
2019-10-04 02:54:38 C 20 09 33.61 -10 44 29.0 o 691
2020-02-07 03:25:42 C 15 43 49.19 -07 29 06.8 V C95
2020-02-07 04:17:25 C 15 43 32.95 -07 31 11.9 V C95
2020-02-07 05:07:08 C 15 43 17.28 -07 33 12.8 V C95
2020-02-09 20:43:21 S 15 24 57.25 -09 58 47.5 L C51
2020-02-09 22:17:24 S 15 24 30.85 -10 02 17.2 L C51
2020-02-09 23:51:39 S 15 24 04.49 -10 05 45.8 L C51
2020-02-10 01:25:55 S 15 23 38.14 -10 09 13.7 L C51
2020-02-10 04:34:14 S 15 22 45.54 -10 16 09.4 L C51
2020-02-20 10:40:35 C 14 19 25.49 -17 37 08.3 V G96
2020-02-20 10:48:05 C 14 19 23.52 -17 37 19.1 V G96
2020-02-20 10:55:35 C 14 19 21.54 -17 37 29.2 V G96
2020-02-20 11:03:07 C 14 19 19.56 -17 37 39.4 V G96
2020-02-27 10:04:55 C 13 40 50.78 -20 33 47.1 V 703
2020-02-27 10:12:32 C 13 40 49.00 -20 33 51.6 V 703
2020-02-27 10:20:09 C 13 40 47.14 -20 33 58.9 V 703
2020-02-27 10:27:47 C 13 40 45.28 -20 34 04.6 V 703
2020-03-03 12:27:08 C 13 14 59.97 -21 43 13.3 V T08
2020-03-03 12:37:31 C 13 14 57.63 -21 43 17.5 V T08
2020-03-03 12:41:44 C 13 14 56.69 -21 43 18.8 V T08
2020-03-03 13:00:44 C 13 14 52.44 -21 43 26.1 V T08
2020-03-04 09:16:44 C 13 10 49.98 -21 50 43.9 V 703
2020-03-04 09:32:00 C 13 10 46.72 -21 50 49.9 V 703
2020-03-04 09:39:37 C 13 10 44.96 -21 50 52.3 V 703
2020-03-18 08:50:29 C 12 15 00.69 -21 29 34.7 V 703
2020-03-18 08:58:09 C 12 14 59.64 -21 29 32.7 V 703
2020-03-18 09:05:49 C 12 14 58.50 -21 29 29.4 V 703
2020-03-18 09:13:29 C 12 14 57.46 -21 29 27.1 V 703
2020-03-21 10:51:41 C 12 05 50.52 -20 59 53.2 V T05
2020-03-21 10:56:09 C 12 05 49.93 -20 59 51.5 V T05
2020-03-21 11:04:32 C 12 05 48.88 -20 59 46.7 V T05
2020-03-21 11:22:09 C 12 05 46.55 -20 59 39.4 V T05
2020-03-23 15:43:33 C 12 00 01.01 -20 35 50.4 q D29
2020-03-23 16:03:55 C 11 59 58.61 -20 35 40.4 q D29
2020-03-24 16:20:19 C 11 57 29.70 -20 23 56.2 q D29
2020-03-24 16:41:36 C 11 57 27.34 -20 23 45.8 q D29
2020-03-24 17:02:52 C 11 57 25.07 -20 23 35.6 q D29
2020-04-16 03:23:04 C 11 30 50.04 -15 58 51.1 V G96
2020-04-16 03:31:07 C 11 30 49.99 -15 58 47.9 V G96
2020-04-16 03:39:10 C 11 30 49.83 -15 58 44.7 V G96
2020-04-16 03:47:13 C 11 30 49.73 -15 58 42.5 V G96
2023-07-27 10:28:31 C 21 18 03.906 -24 01 33.62 X F51
2023-07-27 10:43:28 C 21 18 02.471 -24 01 36.18 X F51
2023-07-27 10:58:24 C 21 18 01.030 -24 01 38.88 X F51
2023-07-27 11:13:20 C 21 17 59.559 -24 01 41.66 X F51
2024-02-21 03:22:08 C 03 47 48.91 +26 10 20.7 V 291
2024-02-21 03:30:22 C 03 47 53.58 +26 10 15.1 V 291
2024-02-21 03:38:36 C 03 47 58.25 +26 10 09.8 V 291
2024-03-14 05:57:33 C 07 50 19.241 +10 20 31.88 V 703
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)