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
2010-08-30 21:00:48 C 20 36 24.46 +15 51 54.1 r 203
2010-08-30 22:25:32 C 20 36 27.16 +15 51 21.1 r 203
2010-09-01 20:51:25 C 20 38 10.70 +15 32 56.7 u 587
2010-09-01 20:58:13 C 20 38 10.90 +15 32 54.9 u 587
2010-09-01 21:03:35 C 20 38 11.10 +15 32 52.2 u 587
2010-09-05 19:44:08 C 20 41 41.18 +14 55 24.2 u 157
2010-09-05 19:54:43 C 20 41 41.52 +14 55 20.2 u 157
2010-09-12 03:41:50 C 20 47 25.90 +13 56 36.8 o H21
2010-09-12 03:47:07 C 20 47 26.10 +13 56 34.7 o H21
2010-09-12 03:57:59 C 20 47 26.48 +13 56 30.6 o H21
2010-09-12 04:10:05 C 20 47 26.91 +13 56 25.9 o H21
2010-09-12 04:13:49 C 20 47 27.04 +13 56 24.6 o H21
2010-09-27 02:57:14 C 21 02 19.63 +11 53 51.2 o H21
2010-09-27 03:27:48 C 21 02 20.89 +11 53 42.1 o H21
2010-09-27 03:31:50 C 21 02 21.28 +11 53 41.4 o 291
2010-09-27 03:39:18 C 21 02 21.61 +11 53 39.3 o 291
2010-09-27 03:46:44 C 21 02 21.92 +11 53 37.0 o 291
2010-09-27 03:47:52 C 21 02 21.74 +11 53 35.6 o H21
2010-10-06 02:31:40 C 21 12 12.63 +10 55 05.9 o H21
2010-10-06 02:40:42 C 21 12 13.07 +10 55 03.6 o H21
2010-10-06 02:55:33 C 21 12 13.76 +10 54 59.6 o H21
2010-11-02 02:25:54 C 21 45 39.57 +09 17 01.6 o 291
2010-11-02 02:32:55 C 21 45 40.09 +09 17 01.3 o 291
2010-11-02 02:38:21 C 21 45 40.21 +09 17 01.2 o 291
2015-01-15 04:24:28 C 10 10 32.78 -02 04 14.2 t 950
2015-01-15 04:27:14 C 10 10 32.66 -02 04 15.7 t 950
2015-01-15 04:30:01 C 10 10 32.59 -02 04 16.7 t 950
2015-01-15 04:32:47 C 10 10 32.50 -02 04 18.6 t 950
2015-01-15 04:35:34 C 10 10 32.39 -02 04 19.6 t 950
2015-01-15 04:38:21 C 10 10 32.38 -02 04 21.1 t 950
2015-02-11 06:29:30 C 09 39 47.16 -07 10 12.3 o 291
2015-02-11 06:33:00 C 09 39 46.92 -07 10 14.0 o 291
2015-02-11 06:36:29 C 09 39 46.66 -07 10 15.6 o 291
2015-03-11 03:28:03 C 08 43 17.73 -10 29 15.8 o 291
2015-03-11 03:31:13 C 08 43 17.47 -10 29 16.6 o 291
2015-03-11 03:34:23 C 08 43 17.15 -10 29 17.0 o 291
2015-03-22 02:55:33 C 08 23 26.42 -10 57 48.8 o 291
2015-03-22 02:59:33 C 08 23 26.15 -10 57 48.9 o 291
2015-03-22 03:03:33 C 08 23 25.85 -10 57 49.1 o 291
2015-03-28 03:22:51 C 08 14 52.04 -11 06 07.2 o 291
2015-03-28 03:28:03 C 08 14 51.72 -11 06 07.3 o 291
2015-03-28 03:33:14 C 08 14 51.44 -11 06 07.2 o 291
2015-04-16 03:14:37 C 08 00 38.21 -11 30 18.9 o 291
2015-04-16 03:17:51 C 08 00 38.20 -11 30 19.5 o 291
2015-04-16 03:21:05 C 08 00 38.16 -11 30 19.8 o 291
2015-04-30 00:09:34 C 08 01 56.32 -12 11 46.8 u 807
2015-04-30 00:20:13 C 08 01 56.46 -12 11 47.8 u 807
2015-04-30 00:30:27 C 08 01 56.61 -12 11 49.7 u 807
2015-07-21 01:20:17 C 14 24 59.96 -06 10 35.8 q W89
2015-07-21 01:20:38 C 14 25 00.47 -06 10 33.0 q W89
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)