442037 (2010 PR66)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6874058441 ± 3.30e-09
Semi-major axis (a)2.9280577863 AU ± 5.94e-10
Inclination (i)17.60363564° ± 1.92e-06
Long. of Asc. Node (Ω)292.74746684° ± 1.48e-06
Arg. of Perihelion (ω)319.52529870° ± 1.65e-06
Mean Anomaly (M)29.00021885° ± 3.31e-07
Mean Motion (n)0.1967174160°/day ± 5.98e-11
Perihelion dist (q)0.91529375 AU ± 9.66e-09
Aphelion dist (Q)4.94082182 AU ± 9.71e-09
Orbital Period5.01036616 yr ± 1.52e-09
Physical Parameters
H (abs. magnitude)19.26
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.276″
Uncertainty0
Orbit TypeApollo
MOID0.002734 AU
Observations Used628
Radar Obs Used4
Oppositions4
Arc Total2010-2025
First Observation Used2010-04-18
Last Observation Used2025-08-23
Observations (667)
Date Type RA Dec Mag Band Observatory
2010-08-23 03:33:46 C 20 29 13.33 +17 03 52.3 o H21
2010-08-23 19:50:05 C 20 29 53.80 +16 57 39.4 u B88
2010-08-23 20:25:02 C 20 29 55.07 +16 57 28.2 u B88
2010-08-23 20:59:25 C 20 29 56.45 +16 57 11.9 u J95
2010-08-23 21:00:00 C 20 29 56.37 +16 57 14.6 u B88
2010-08-23 21:07:37 C 20 29 56.77 +16 57 09.4 u J95
2010-08-24 03:31:52 C 20 30 12.19 +16 54 48.5 o H21
2010-08-24 03:45:33 C 20 30 12.66 +16 54 43.6 o H21
2010-08-24 03:54:40 C 20 30 12.98 +16 54 40.0 o H21
2010-08-25 00:23:13 C 20 31 01.32 +16 46 47.3 v 204
2010-08-25 00:32:12 C 20 31 01.69 +16 46 44.1 v 204
2010-08-25 00:43:12 C 20 31 02.05 +16 46 39.8 v 204
2010-08-25 20:01:01 C 20 31 49.21 +16 39 16.2 u B88
2010-08-25 20:33:53 C 20 31 50.30 +16 39 03.9 r 147
2010-08-25 20:41:18 C 20 31 50.57 +16 39 00.6 r 147
2010-08-25 20:51:34 C 20 31 50.93 +16 38 56.3 r 147
2010-08-25 20:52:24 C 20 31 50.98 +16 38 56.0 u B88
2010-08-25 21:43:49 C 20 31 52.70 +16 38 36.7 u B88
2010-08-26 03:01:19 C 20 32 05.47 +16 36 36.4 o H21
2010-08-26 03:10:20 C 20 32 05.80 +16 36 33.2 o H21
2010-08-26 03:19:21 C 20 32 06.11 +16 36 29.8 o H21
2010-08-26 03:46:19 C 20 32 06.94 +16 36 19.3 o H21
2010-08-26 03:49:00 C 20 32 07.04 +16 36 16.5 o H26
2010-08-26 03:52:38 C 20 32 07.15 +16 36 15.1 o H26
2010-08-26 03:56:23 C 20 32 07.32 +16 36 13.5 o H26
2010-08-26 12:06:34 C 20 32 26.72 +16 33 07.1 o 300
2010-08-26 12:17:13 C 20 32 27.03 +16 33 02.6 o 300
2010-08-26 12:27:59 C 20 32 27.46 +16 32 59.1 o 300
2010-08-26 12:38:49 C 20 32 27.88 +16 32 54.5 o 300
2010-08-26 19:50:52 C 20 32 44.81 +16 30 02.4 u B88
2010-08-26 20:42:19 C 20 32 46.53 +16 29 42.5 u B88
2010-08-26 21:33:46 C 20 32 48.27 +16 29 23.7 u B88
2010-08-27 03:18:15 C 20 33 01.74 +16 27 11.1 o H21
2010-08-27 03:32:06 C 20 33 02.17 +16 27 05.8 o H21
2010-08-27 03:49:33 C 20 33 02.74 +16 26 59.1 o H21
2010-08-27 03:56:11 C 20 33 02.96 +16 26 56.5 o H21
2010-08-28 02:06:32 C 20 33 54.34 +16 18 14.9 o H26
2010-08-28 02:13:45 C 20 33 54.64 +16 18 13.2 o H26
2010-08-28 02:20:56 C 20 33 54.88 +16 18 11.0 o H26
2010-08-28 03:07:31 C 20 33 56.33 +16 17 53.4 o H21
2010-08-28 03:16:41 C 20 33 56.64 +16 17 49.9 o H21
2010-08-28 04:15:00 C 20 33 58.53 +16 17 27.2 o H21
2010-08-28 04:24:25 C 20 33 58.84 +16 17 23.5 o H21
2010-08-28 14:57:29 C 20 34 22.32 +16 13 16.9 o 300
2010-08-28 14:59:33 C 20 34 22.47 +16 13 16.1 o 300
2010-08-28 15:01:38 C 20 34 22.58 +16 13 15.0 o 300
2010-08-28 15:03:42 C 20 34 22.62 +16 13 14.0 o 300
2010-08-28 15:05:45 C 20 34 22.70 +16 13 12.7 o 300
2010-08-29 21:40:20 C 20 35 32.25 +16 01 05.4 u J95
2010-08-29 21:45:06 C 20 35 32.41 +16 01 04.1 u J95
Radar Observations (4)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2015-07-27 01:25:00 85268750.32 4 us 2380 -1 -1
2015-07-27 02:11:00 85490097.86 0.5 us 2380 -1 -1
2015-07-28 01:36:00 92536687.89 0.5 us 2380 -1 -1
2015-07-29 01:31:00 100262361.6 0.5 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)