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
2015-07-31 04:23:36 C 18 18 05.42 +14 22 13.9 u H21
2015-07-31 04:25:40 C 18 18 06.32 +14 22 17.0 u H21
2015-07-31 04:27:44 C 18 18 07.21 +14 22 20.4 u H21
2015-07-31 04:29:48 C 18 18 08.11 +14 22 23.6 u H21
2015-07-31 04:31:52 C 18 18 09.00 +14 22 27.2 u H21
2015-07-31 04:33:56 C 18 18 09.90 +14 22 30.5 u H21
2015-07-31 04:35:59 C 18 18 10.78 +14 22 33.8 u H21
2015-07-31 04:38:02 C 18 18 11.66 +14 22 36.9 u H21
2015-07-31 04:39:52 C 18 18 12.47 +14 22 40.0 u H21
2015-07-31 06:57:32 C 18 19 12.13 +14 26 25.6 q H45
2015-07-31 06:59:40 C 18 19 13.08 +14 26 28.5 q H45
2015-07-31 07:03:00 C 18 19 14.51 +14 26 33.9 q H45
2015-07-31 07:05:50 C 18 19 15.70 +14 26 38.1 q H45
2015-07-31 07:07:52 C 18 19 16.61 +14 26 41.3 q H45
2015-07-31 07:09:55 C 18 19 17.47 +14 26 44.6 q H45
2015-07-31 07:12:01 C 18 19 18.39 +14 26 47.8 q H45
2015-08-01 02:31:18 C 18 27 30.19 +14 55 15.5 u H21
2015-08-01 02:34:02 C 18 27 31.23 +14 55 19.4 u H21
2015-08-01 02:36:46 C 18 27 32.28 +14 55 23.2 u H21
2015-08-01 02:39:31 C 18 27 33.34 +14 55 26.9 u H21
2015-08-01 02:42:15 C 18 27 34.37 +14 55 30.5 u H21
2015-08-01 02:44:59 C 18 27 35.43 +14 55 34.3 u H21
2015-08-01 02:47:42 C 18 27 36.47 +14 55 38.0 u H21
2015-08-01 02:53:11 C 18 27 38.55 +14 55 45.5 u H21
2015-08-01 02:55:54 C 18 27 39.61 +14 55 49.2 u H21
2015-08-01 02:58:50 C 18 27 40.73 +14 55 53.0 u H21
2015-08-01 03:01:29 C 18 27 41.74 +14 55 56.6 u H21
2015-08-01 03:03:37 C 18 27 42.55 +14 55 59.6 u H21
2015-08-01 03:47:40 C 18 27 59.31 +14 56 58.9 u H21
2015-08-01 03:49:38 C 18 28 00.06 +14 57 01.4 u H21
2015-08-01 03:51:36 C 18 28 00.81 +14 57 04.1 u H21
2015-08-01 03:53:40 C 18 28 01.59 +14 57 06.8 u H21
2015-08-01 03:55:44 C 18 28 02.38 +14 57 09.7 u H21
2015-08-01 03:57:48 C 18 28 03.16 +14 57 12.4 u H21
2015-08-01 03:59:51 C 18 28 03.94 +14 57 15.1 u H21
2015-08-01 04:01:55 C 18 28 04.72 +14 57 17.9 u H21
2015-08-01 04:03:59 C 18 28 05.51 +14 57 20.6 u H21
2015-08-01 04:06:03 C 18 28 06.29 +14 57 23.4 u H21
2015-08-01 04:08:06 C 18 28 07.07 +14 57 26.1 u H21
2015-08-01 04:10:10 C 18 28 07.85 +14 57 28.8 u H21
2015-08-01 04:12:14 C 18 28 08.64 +14 57 31.6 u H21
2015-08-01 04:14:18 C 18 28 09.41 +14 57 34.2 u H21
2015-08-01 04:16:22 C 18 28 10.20 +14 57 37.0 u H21
2015-08-01 04:18:43 C 18 28 11.09 +14 57 40.2 u H21
2015-08-01 21:33:12 C 18 34 41.81 +15 18 42.6 q C23
2015-08-01 21:34:55 C 18 34 42.38 +15 18 44.7 q C23
2015-08-01 21:36:52 C 18 34 43.10 +15 18 46.1 q C23
2015-08-01 21:41:17 C 18 34 44.60 +15 18 52.1 q C23
2015-08-01 21:43:31 C 18 34 45.40 +15 18 53.5 q C23
2015-08-02 02:27:44 C 18 36 27.70 +15 24 21.2 u 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)