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
2010-08-17 03:20:35 C 20 22 37.21 +17 55 38.7 o H21
2010-08-17 03:21:04 C 20 22 37.25 +17 55 38.5 o H21
2010-08-17 03:32:31 C 20 22 37.74 +17 55 34.4 o H21
2010-08-17 03:35:18 C 20 22 37.87 +17 55 33.9 o H21
2010-08-19 03:53:59 C 20 25 00.59 +17 38 49.8 o H21
2010-08-19 04:00:53 C 20 25 00.87 +17 38 47.3 o H21
2010-08-19 04:07:34 C 20 25 01.12 +17 38 45.0 o H21
2010-08-19 04:14:14 C 20 25 01.39 +17 38 42.7 o H21
2010-08-19 04:20:53 C 20 25 01.66 +17 38 40.3 o H21
2010-08-19 20:49:08 C 20 25 47.96 +17 32 43.0 u A74
2010-08-19 21:04:32 C 20 25 48.60 +17 32 37.7 u A74
2010-08-19 21:24:02 C 20 25 49.37 +17 32 30.9 u A74
2010-08-19 21:35:19 C 20 25 49.82 +17 32 26.7 u A74
2010-08-19 21:56:10 C 20 25 50.59 +17 32 22.0 w 160
2010-08-19 21:58:27 C 20 25 50.68 +17 32 21.2 w 160
2010-08-19 22:00:52 C 20 25 50.79 +17 32 20.7 w 160
2010-08-20 05:32:17 C 20 26 11.83 +17 29 41.5 o G56
2010-08-20 05:59:34 C 20 26 13.02 +17 29 31.0 o G56
2010-08-20 06:15:28 C 20 26 13.58 +17 29 26.5 o G56
2010-08-20 20:32:29 C 20 26 52.23 +17 24 09.0 r A17
2010-08-20 20:49:37 C 20 26 52.87 +17 24 02.9 r A17
2010-08-20 21:06:10 C 20 26 53.53 +17 23 57.4 r A17
2010-08-20 21:52:16 C 20 26 55.66 +17 23 44.4 r J27
2010-08-20 22:28:06 C 20 26 57.01 +17 23 31.1 r J27
2010-08-20 22:54:08 C 20 26 57.94 +17 23 22.0 r J27
2010-08-20 23:04:00 C 20 26 58.14 +17 23 18.8 r 176
2010-08-20 23:07:09 C 20 26 58.26 +17 23 17.5 r 176
2010-08-20 23:09:25 C 20 26 58.36 +17 23 16.6 r 176
2010-08-20 23:11:30 C 20 26 58.41 +17 23 15.9 r 176
2010-08-21 01:25:17 C 20 27 03.56 +17 22 21.8 u B88
2010-08-21 01:39:40 C 20 27 04.10 +17 22 16.5 u B88
2010-08-21 01:54:04 C 20 27 04.71 +17 22 10.6 u B88
2010-08-21 20:07:13 C 20 27 54.13 +17 15 31.8 u B88
2010-08-21 20:22:38 C 20 27 54.63 +17 15 24.1 u A74
2010-08-21 20:27:47 C 20 27 54.89 +17 15 24.4 u B88
2010-08-21 20:32:54 C 20 27 55.00 +17 15 20.6 u A74
2010-08-21 20:43:09 C 20 27 55.40 +17 15 16.7 u A74
2010-08-21 20:48:21 C 20 27 55.65 +17 15 16.4 u B88
2010-08-21 21:03:42 C 20 27 56.16 +17 15 09.4 u A74
2010-08-21 21:24:13 C 20 27 56.93 +17 15 02.0 u A74
2010-08-21 21:36:19 C 20 27 57.39 +17 14 59.0 r 203
2010-08-21 23:57:52 C 20 28 02.65 +17 14 06.1 r 203
2010-08-22 00:24:40 C 20 28 03.62 +17 13 55.9 r 203
2010-08-22 04:37:16 C 20 28 15.12 +17 12 26.3 o H21
2010-08-22 04:50:36 C 20 28 15.64 +17 12 21.1 o H21
2010-08-22 05:03:33 C 20 28 16.13 +17 12 16.3 o H21
2010-08-22 20:47:58 C 20 28 56.49 +17 06 22.6 u 160
2010-08-22 20:50:57 C 20 28 56.60 +17 06 20.9 u 160
2010-08-22 20:54:06 C 20 28 56.73 +17 06 19.6 u 160
2010-08-23 03:18:29 C 20 29 12.80 +17 03 57.8 o H21
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)