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
2015-08-02 02:29:36 C 18 36 28.33 +15 24 23.4 u H21
2015-08-02 02:31:34 C 18 36 28.99 +15 24 25.6 u H21
2015-08-02 02:33:31 C 18 36 29.64 +15 24 27.8 u H21
2015-08-02 02:39:24 C 18 36 31.62 +15 24 34.2 u H21
2015-08-02 02:41:22 C 18 36 32.29 +15 24 36.5 u H21
2015-08-02 02:49:36 C 18 36 35.05 +15 24 45.5 u H21
2015-08-02 04:24:06 C 18 37 06.63 +15 26 27.7 u H21
2015-08-02 04:26:10 C 18 37 07.31 +15 26 29.9 u H21
2015-08-02 04:30:18 C 18 37 08.68 +15 26 34.3 u H21
2015-08-02 04:32:22 C 18 37 09.38 +15 26 36.7 u H21
2015-08-02 04:34:26 C 18 37 10.08 +15 26 38.7 u H21
2015-08-02 04:36:30 C 18 37 10.75 +15 26 40.8 u H21
2015-08-02 04:38:34 C 18 37 11.45 +15 26 43.1 u H21
2015-08-02 04:40:38 C 18 37 12.13 +15 26 45.2 u H21
2015-08-02 04:42:42 C 18 37 12.82 +15 26 47.4 u H21
2015-08-02 04:44:40 C 18 37 13.47 +15 26 49.4 u H21
2015-08-02 23:18:40 C 18 43 22.21 +15 45 00.1 q I93
2015-08-02 23:30:07 C 18 43 25.69 +15 45 10.3 q I93
2015-08-02 23:38:35 C 18 43 28.26 +15 45 17.8 q I93
2015-08-02 23:51:47 C 18 43 32.26 +15 45 29.3 q I93
2015-08-03 20:00:23 C 18 49 37.39 +16 02 00.2 151
2015-08-03 20:02:05 C 18 49 37.90 +16 02 01.4 151
2015-08-03 20:03:47 C 18 49 38.36 +16 02 03.7 151
2015-08-03 20:07:13 C 18 49 39.29 +16 02 06.0 151
2015-08-03 20:10:35 C 18 49 40.22 +16 02 08.8 151
2015-08-04 21:39:28 C 18 56 30.35 +16 19 07.9 t L04
2015-08-04 21:40:56 C 18 56 30.73 +16 19 08.4 t L04
2015-08-04 21:47:32 C 18 56 32.32 +16 19 12.2 t L04
2015-08-05 20:05:42 C 19 01 57.61 +16 30 59.6 151
2015-08-05 20:08:32 C 19 01 58.23 +16 31 01.1 151
2015-08-05 20:11:22 C 19 01 58.85 +16 31 02.7 151
2015-08-05 21:02:14 C 19 02 10.03 +16 31 28.8 q 203
2015-08-05 21:51:57 C 19 02 20.88 +16 31 51.8 q 203
2015-08-05 22:42:41 C 19 02 32.15 +16 32 10.7 q C23
2015-08-05 22:45:55 C 19 02 32.85 +16 32 12.2 q C23
2015-08-05 22:49:09 C 19 02 33.55 +16 32 14.1 q C23
2015-08-05 22:53:28 C 19 02 34.50 +16 32 16.0 q C23
2015-08-06 21:08:50 C 19 07 25.58 +16 41 29.8 q 160
2015-08-06 21:11:35 C 19 07 26.14 +16 41 31.0 q 160
2015-08-06 21:14:27 C 19 07 26.72 +16 41 32.1 q 160
2015-08-07 23:29:32 C 19 12 36.01 +16 49 45.5 q 160
2015-08-07 23:32:25 C 19 12 36.53 +16 49 46.3 q 160
2015-08-07 23:35:16 C 19 12 37.04 +16 49 47.0 q 160
2015-08-09 20:16:41 C 19 20 21.11 +16 58 43.4 17.5 v B18
2015-08-09 20:19:27 C 19 20 21.55 +16 58 43.7 17.2 v B18
2015-08-09 20:20:49 C 19 20 21.73 +16 58 44.0 17.1 v B18
2015-08-09 20:22:12 C 19 20 21.94 +16 58 44.2 17.3 v B18
2015-08-09 20:23:35 C 19 20 22.15 +16 58 44.3 17.3 v B18
2015-08-09 20:31:52 C 19 20 23.39 +16 58 45.3 17.2 v B18
2015-08-09 20:33:16 C 19 20 23.62 +16 58 45.4 17.2 v B18
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)