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
2015-07-21 01:20:55 C 14 25 00.87 -06 10 30.7 q W89
2015-07-21 01:21:15 C 14 25 01.33 -06 10 28.1 q W89
2015-07-21 01:21:34 C 14 25 01.79 -06 10 25.2 q W89
2015-07-21 01:21:52 C 14 25 02.23 -06 10 23.1 q W89
2015-07-21 01:22:11 C 14 25 02.68 -06 10 20.4 q W89
2015-07-21 01:22:29 C 14 25 03.09 -06 10 18.1 q W89
2015-07-21 01:22:48 C 14 25 03.54 -06 10 15.4 q W89
2015-07-21 01:23:05 C 14 25 03.95 -06 10 13.0 q W89
2015-07-21 03:39:50 C 14 28 23.41 -05 53 59.7 o 291
2015-07-21 03:40:35 C 14 28 24.48 -05 53 53.5 o 291
2015-07-21 03:41:19 C 14 28 25.53 -05 53 47.5 o 291
2015-07-21 05:07:07 S 14 30 33.312 -05 40 35.65 L C51
2015-07-21 05:07:18 S 14 30 33.598 -05 40 36.08 L C51
2015-07-21 06:41:44 S 14 32 50.760 -05 27 39.35 L C51
2015-07-21 20:08:34 C 14 52 14.73 -03 37 54.6 t 130
2015-07-21 20:10:31 C 14 52 17.49 -03 37 37.7 t 130
2015-07-21 20:11:36 C 14 52 19.01 -03 37 29.4 t 130
2015-07-21 20:54:24 C 14 53 19.77 -03 31 39.3 q G34
2015-07-21 20:58:39 C 14 53 25.76 -03 31 03.7 q G34
2015-07-21 21:07:10 C 14 53 37.86 -03 29 52.4 q G34
2015-07-22 01:05:20 C 14 59 20.44 -02 53 56.5 q W89
2015-07-22 01:07:24 C 14 59 23.31 -02 53 39.3 q W89
2015-07-22 01:50:39 C 15 00 23.70 -02 47 39.2 q W89
2015-07-22 01:52:16 C 15 00 25.95 -02 47 25.8 q W89
2015-07-22 01:55:16 C 15 00 30.15 -02 47 01.0 q W89
2015-07-22 01:57:22 C 15 00 33.09 -02 46 43.3 q W89
2015-07-22 02:00:16 C 15 00 37.14 -02 46 19.2 q W89
2015-07-22 02:02:20 C 15 00 40.03 -02 46 01.9 q W89
2015-07-22 02:05:17 C 15 00 44.14 -02 45 37.1 q W89
2015-07-22 02:06:58 C 15 00 46.50 -02 45 23.3 q W89
2015-07-22 02:50:23 C 15 01 47.23 -02 39 21.9 q W89
2015-07-22 02:52:29 C 15 01 50.20 -02 39 04.0 q W89
2015-07-22 02:55:16 C 15 01 54.10 -02 38 41.0 q W89
2015-07-22 02:57:19 C 15 01 56.96 -02 38 24.0 q W89
2015-07-22 03:07:31 C 15 02 13.39 -02 39 42.0 q W19
2015-07-22 03:13:37 C 15 02 21.93 -02 38 51.2 q W19
2015-07-22 03:15:22 C 15 02 22.23 -02 35 54.0 q W89
2015-07-22 03:17:25 C 15 02 25.12 -02 35 36.7 q W89
2015-07-22 03:20:14 C 15 02 31.21 -02 37 56.1 q W19
2015-07-22 03:26:17 C 15 02 39.67 -02 37 05.6 q W19
2015-07-22 03:32:04 C 15 02 47.79 -02 36 17.4 q W19
2015-07-22 19:41:48 C 15 25 24.17 -00 23 56.3 14.5 q 089
2015-07-22 19:44:07 C 15 25 27.29 -00 23 37.7 14.4 q 089
2015-07-22 19:46:27 C 15 25 30.46 -00 23 18.9 14.3 q 089
2015-07-22 19:48:47 C 15 25 33.62 -00 23 00.4 14.4 q 089
2015-07-22 19:58:07 C 15 25 46.18 -00 21 45.2 14.5 q 089
2015-07-22 22:39:58 C 15 29 26.27 -00 00 15.1 q C23
2015-07-22 22:41:12 C 15 29 27.90 -00 00 05.4 q C23
2015-07-22 22:42:26 C 15 29 29.55 +00 00 04.4 q C23
2015-07-22 22:43:39 C 15 29 31.24 +00 00 14.4 q C23
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)