612813 (2004 RF84)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6038245002 ± 7.92e-09
Semi-major axis (a)2.1643411121 AU ± 1.22e-09
Inclination (i)23.29043842° ± 3.64e-06
Long. of Asc. Node (Ω)344.49440039° ± 1.43e-06
Arg. of Perihelion (ω)122.65194218° ± 3.14e-06
Mean Anomaly (M)195.53883921° ± 2.08e-06
Mean Motion (n)0.3095449424°/day ± 2.61e-10
Perihelion dist (q)0.85745892 AU ± 1.72e-08
Aphelion dist (Q)3.47122330 AU ± 1.73e-08
Orbital Period3.18411367 yr ± 2.68e-09
Physical Parameters
H (abs. magnitude)18.38
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.329″
Uncertainty0
Orbit TypeApollo
MOID0.033247 AU
Observations Used458
Radar Obs Used2
Oppositions1
Arc Total2004-2023
First Observation Used2004-09-10
Last Observation Used2023-11-08
Observations (492)
Date Type RA Dec Mag Band Observatory
2020-10-24 08:30:12 C 21 41 15.72 +65 41 14.2 V T08
2020-10-24 08:44:48 C 21 41 07.57 +65 41 27.1 V T08
2020-10-24 17:49:12 C 21 36 12.44 +65 49 24.2 V K87
2020-10-24 17:53:09 C 21 36 10.17 +65 49 27.6 V K87
2020-10-31 18:03:09 C 20 01 36.72 +66 22 48.7 V Z99
2020-10-31 18:07:02 C 20 01 34.60 +66 22 47.4 V Z99
2020-10-31 18:10:56 C 20 01 32.42 +66 22 45.5 V Z99
2020-10-31 18:14:50 C 20 01 30.28 +66 22 43.4 V Z99
2020-10-31 18:18:43 C 20 01 28.08 +66 22 41.7 V Z99
2020-11-01 06:49:00 C 19 54 39.83 +66 16 51.1 V T08
2020-11-01 06:53:40 C 19 54 37.16 +66 16 48.0 V T08
2020-11-01 07:02:20 C 19 54 32.62 +66 16 42.9 V T08
2020-11-01 07:17:01 C 19 54 24.45 +66 16 34.5 V T08
2020-11-04 03:12:16 C 19 19 27.31 +65 26 45.5 V 703
2020-11-04 03:21:12 C 19 19 22.84 +65 26 37.3 V 703
2020-11-04 03:30:08 C 19 19 18.48 +65 26 27.6 V 703
2020-11-04 03:39:04 C 19 19 14.03 +65 26 19.2 V 703
2020-11-04 17:21:33 C 19 12 37.57 +65 13 01.5 V K87
2020-11-04 17:36:34 C 19 12 30.24 +65 12 46.1 V K87
2020-11-04 17:48:21 C 19 12 24.44 +65 12 34.3 V K87
2020-11-05 17:21:19 C 19 01 22.69 +64 47 28.0 V K87
2020-11-05 17:26:44 C 19 01 20.12 +64 47 21.7 V K87
2020-11-05 17:32:09 C 19 01 17.57 +64 47 15.4 V K87
2020-11-06 17:29:23 C 18 50 32.71 +64 19 01.5 V K87
2020-11-06 17:33:12 C 18 50 31.03 +64 18 56.7 V K87
2020-11-06 17:37:02 C 18 50 29.37 +64 18 52.1 V K87
2020-11-07 01:00:27 S 18 47 17.275 +64 09 29.74 L C51
2020-11-07 07:17:05 S 18 44 35.424 +64 01 29.50 L C51
2020-11-07 10:25:24 S 18 43 15.238 +63 57 25.96 L C51
2020-11-07 10:25:35 S 18 43 15.199 +63 57 25.45 L C51
2020-11-07 13:33:54 S 18 41 55.507 +63 53 19.54 L C51
2020-11-12 01:58:38 C 18 00 52.39 +61 11 43.8 V 703
2020-11-12 02:07:00 C 18 00 49.43 +61 11 28.4 V 703
2020-11-12 02:15:22 C 18 00 46.77 +61 11 14.1 V 703
2020-11-15 01:32:17 C 17 38 27.75 +59 08 27.5 V 703
2020-11-15 01:40:38 C 17 38 25.42 +59 08 11.8 V 703
2020-11-15 01:57:21 C 17 38 20.24 +59 07 40.7 V 703
2020-11-20 01:30:28 C 17 07 28.49 +55 22 32.4 V G96
2020-11-20 01:38:15 C 17 07 26.71 +55 22 16.7 V G96
2020-11-20 01:46:03 C 17 07 24.88 +55 22 01.0 V G96
2020-11-20 01:53:50 C 17 07 23.10 +55 21 45.0 V G96
2021-02-15 07:06:44 S 15 26 54.396 -28 51 13.21 L C51
2021-02-15 13:23:22 S 15 26 51.30 -29 03 12.3 L C51
2021-02-15 16:31:41 S 15 26 49.67 -29 09 11.1 L C51
2021-02-15 18:05:45 S 15 26 48.86 -29 12 10.4 L C51
2021-02-15 19:40:00 S 15 26 48.00 -29 15 09.5 L C51
2021-02-15 21:14:04 S 15 26 47.15 -29 18 08.5 L C51
2021-02-15 22:48:19 S 15 26 46.28 -29 21 07.4 L C51
2021-02-16 00:22:23 S 15 26 45.39 -29 24 06.0 L C51
2021-02-16 03:30:42 S 15 26 43.59 -29 30 03.2 L C51
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2005-02-23 10:09:00 143317.5 0.2 Hz 2380 -1 -1
2005-02-23 10:38:00 70366980.6 8 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)