66063 (1998 RO1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7200317838 ± 4.28e-08
Semi-major axis (a)0.9909617012 AU ± 1.19e-09
Inclination (i)22.68980662° ± 3.23e-06
Long. of Asc. Node (Ω)351.83611908° ± 2.02e-06
Arg. of Perihelion (ω)151.16719419° ± 3.85e-06
Mean Anomaly (M)106.32017606° ± 1.52e-05
Mean Motion (n)0.9991414376°/day ± 1.79e-09
Perihelion dist (q)0.27743778 AU ± 4.24e-08
Aphelion dist (Q)1.70448562 AU ± 4.25e-08
Orbital Period0.98647323 yr ± 1.77e-09
Physical Parameters
H (abs. magnitude)18.15
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.390″
Uncertainty0
Orbit TypeAten
MOID0.091852 AU
Observations Used1310
Radar Obs Used4
Oppositions1
Arc Total1996-2021
First Observation Used1996-09-12
Last Observation Used2021-07-07
Observations (1377)
Date Type RA Dec Mag Band Observatory
1998-09-24 05:53:33 C 21 34 17.16 -18 36 05.9 a 699
1998-09-27 10:41:57 C 21 16 43.96 -18 21 19.9 422
1998-09-27 10:43:18 C 21 16 43.74 -18 21 19.3 422
1998-09-27 20:11:13 C 21 14 38.03 -18 19 18.0 557
1998-09-27 20:13:05 C 21 14 37.65 -18 19 17.1 557
1998-10-14 11:46:37 C 20 04 43.01 -15 18 40.1 422
1998-10-15 10:57:12 C 20 01 44.83 -15 05 48.6 422
1998-10-15 11:05:32 C 20 01 43.69 -15 05 44.2 422
1998-10-15 11:07:11 C 20 01 43.44 -15 05 41.8 422
1999-08-04 16:45:45 C 00 48 13.97 -08 55 13.9 413
1999-08-04 16:50:21 C 00 48 13.86 -08 55 14.6 413
1999-08-04 16:54:28 C 00 48 13.75 -08 55 15.1 413
1999-08-07 10:24:29 C 00 46 26.33 -09 05 21.0 z 711
1999-08-07 10:43:24 C 00 46 25.64 -09 05 24.2 z 711
1999-08-08 10:44:49 C 00 45 37.81 -09 09 38.5 z 711
1999-08-08 11:03:31 C 00 45 37.16 -09 09 41.8 z 711
1999-08-17 22:20:55 C 00 33 37.93 -10 06 35.4 18.5 z 071
1999-08-17 22:26:48 C 00 33 37.49 -10 06 37.2 18.6 z 071
1999-08-18 23:35:56 C 00 31 43.02 -10 14 53.8 18.4 z 071
1999-08-18 23:46:48 C 00 31 42.07 -10 14 57.4 18.3 z 071
1999-08-18 23:57:41 C 00 31 41.25 -10 15 00.6 18.3 z 071
1999-08-19 22:55:31 C 00 29 49.72 -10 22 53.9 18.4 z 071
1999-08-19 23:06:24 C 00 29 49.10 -10 22 57.6 18.3 z 071
1999-08-19 23:17:15 C 00 29 48.16 -10 23 01.8 18.4 z 071
1999-08-22 16:12:53 C 00 23 54.94 -10 47 08.2 z 402
1999-08-22 16:14:43 C 00 23 54.68 -10 47 09.1 z 402
1999-08-22 16:16:32 C 00 23 54.56 -10 47 10.3 z 402
1999-08-31 15:59:22 C 23 56 31.68 -12 24 09.1 413
1999-08-31 16:01:31 C 23 56 31.33 -12 24 10.2 413
1999-09-08 06:26:09 c 23 22 19.07 -13 57 33.7 d 703
1999-09-08 06:40:20 c 23 22 15.86 -13 57 39.2 d 703
1999-09-08 06:54:56 c 23 22 12.60 -13 57 48.4 d 703
1999-09-08 07:09:24 c 23 22 09.41 -13 57 56.3 d 703
1999-09-08 22:21:08 C 23 18 49.21 -14 05 28.4 c 118
1999-09-08 22:26:42 C 23 18 47.95 -14 05 31.9 c 118
1999-09-09 09:49:28 C 23 16 14.32 -14 10 59.6 17.6 a 704
1999-09-09 10:09:00 C 23 16 09.87 -14 11 09.4 18.0 a 704
1999-09-09 10:28:39 C 23 16 05.34 -14 11 18.4 18.4 a 704
1999-09-09 10:48:16 C 23 16 00.88 -14 11 27.5 18.4 a 704
1999-09-09 11:07:36 C 23 15 56.47 -14 11 37.0 18.6 a 704
1999-09-12 13:33:29 C 22 58 20.51 -14 45 30.4 360
1999-09-12 13:36:45 C 22 58 19.68 -14 45 31.7 360
1999-09-12 13:39:44 C 22 58 18.92 -14 45 33.0 360
1999-09-12 20:50:09 C 22 56 32.29 -14 48 36.0 d 046
1999-09-12 20:52:48 C 22 56 31.66 -14 48 37.1 d 046
1999-09-12 20:55:20 C 22 56 30.98 -14 48 38.1 d 046
1999-09-12 20:57:27 C 22 56 30.49 -14 48 39.2 d 046
1999-09-12 21:01:49 C 22 56 29.34 -14 48 40.9 d 046
1999-09-13 05:33:33 C 22 54 21.31 -14 52 07.4 17.4 a 704
1999-09-13 05:50:00 C 22 54 17.16 -14 52 14.2 17.4 a 704
Radar Observations (4)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2003-09-29 23:08:00 125261271 4 us 2380 -1 -1
2003-10-04 22:15:00 143962232.46 1 us 2380 -1 -1
2004-10-03 19:54:00 132308393.9 2 us 2380 -1 -1
2004-10-05 19:13:00 152871251.4 1 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)