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
2010-04-18 06:44:30 S 07 59 05.494 -07 16 28.06 L C51
2010-04-18 09:55:00 S 07 59 04.750 -07 16 56.68 L C51
2010-04-18 14:40:42 S 07 59 03.646 -07 17 43.01 L C51
2010-04-22 06:00:13 S 07 59 03.391 -07 32 38.40 L C51
2010-07-22 09:53:15 S 14 22 44.23 -01 16 29.3 L C51
2010-08-15 06:21:18 C 20 20 09.78 +18 10 33.8 17.5 c 704
2010-08-15 06:39:20 C 20 20 10.62 +18 10 28.3 17.8 c 704
2010-08-15 07:15:17 C 20 20 12.40 +18 10 15.9 18.0 c 704
2010-08-15 07:33:17 C 20 20 13.28 +18 10 10.4 18.8 c 704
2010-08-15 21:29:14 C 20 21 01.58 +18 05 27.9 u J95
2010-08-15 21:32:56 C 20 21 01.75 +18 05 26.4 u J95
2010-08-15 21:36:42 C 20 21 01.91 +18 05 25.4 u J95
2010-08-15 21:42:21 C 20 21 01.92 +18 05 26.9 u 473
2010-08-15 21:48:22 C 20 21 02.15 +18 05 25.9 u 473
2010-08-15 22:23:57 C 20 21 03.82 +18 05 14.7 r 107
2010-08-15 22:28:28 C 20 21 03.67 +18 05 07.4 u B42
2010-08-15 22:30:11 C 20 21 03.74 +18 05 06.7 u B42
2010-08-15 22:38:06 C 20 21 04.48 +18 05 08.8 r 107
2010-08-15 22:53:20 C 20 21 04.90 +18 04 58.6 u B42
2010-08-15 23:04:43 C 20 21 06.28 +18 04 56.5 o J16
2010-08-15 23:20:34 C 20 21 07.10 +18 04 51.5 o J16
2010-08-15 23:32:06 C 20 21 07.60 +18 04 47.5 o J16
2010-08-16 00:00:25 C 20 21 08.58 +18 04 41.5 v 204
2010-08-16 00:07:11 C 20 21 08.88 +18 04 39.3 v 204
2010-08-16 00:19:41 C 20 21 09.50 +18 04 35.1 v 204
2010-08-16 00:22:23 C 20 21 09.61 +18 04 34.2 v 204
2010-08-16 01:20:52 C 20 21 14.43 +18 04 59.2 r I36
2010-08-16 01:36:27 C 20 21 15.14 +18 04 55.4 r I36
2010-08-16 02:30:13 C 20 21 18.81 +18 03 55.0 u H36
2010-08-16 02:32:21 C 20 21 18.89 +18 03 54.4 u H36
2010-08-16 02:44:00 C 20 21 19.41 +18 03 50.7 u H36
2010-08-16 06:22:05 C 20 21 29.28 +18 02 39.4 o H21
2010-08-16 06:27:23 C 20 21 29.56 +18 02 37.5 o H21
2010-08-16 06:33:18 C 20 21 29.83 +18 02 35.4 o H21
2010-08-16 06:39:21 C 20 21 30.11 +18 02 33.3 o H21
2010-08-16 11:15:41 C 20 21 47.25 +18 01 04.4 o 300
2010-08-16 11:18:14 C 20 21 47.35 +18 01 03.6 o 300
2010-08-16 11:20:47 C 20 21 47.52 +18 01 02.8 o 300
2010-08-16 11:23:20 C 20 21 47.65 +18 01 02.2 o 300
2010-08-16 11:25:53 C 20 21 47.78 +18 01 01.7 o 300
2010-08-16 11:28:26 C 20 21 47.83 +18 00 59.5 o 300
2010-08-16 19:45:58 C 20 22 13.82 +17 58 07.6 r 235
2010-08-16 19:54:22 C 20 22 13.61 +17 58 01.5 u B42
2010-08-16 19:57:48 C 20 22 13.89 +17 58 00.7 u B42
2010-08-16 20:01:13 C 20 22 13.99 +17 57 58.7 u B42
2010-08-16 20:09:47 C 20 22 14.34 +17 57 54.6 u B42
2010-08-16 20:18:00 C 20 22 15.31 +17 57 57.5 r 235
2010-08-17 03:09:44 C 20 22 36.75 +17 55 42.2 o H21
2010-08-17 03:11:25 C 20 22 36.82 +17 55 41.7 o H21
2010-08-17 03:15:18 C 20 22 37.00 +17 55 40.4 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)