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
2015-07-29 03:39:25 C 17 52 42.47 +12 41 25.5 u H21
2015-07-29 03:41:22 C 17 52 43.61 +12 41 30.3 u H21
2015-07-29 03:43:19 C 17 52 44.75 +12 41 35.4 u H21
2015-07-29 03:49:12 C 17 52 48.17 +12 41 50.3 u H21
2015-07-29 03:51:10 C 17 52 49.31 +12 41 55.5 u H21
2015-07-29 03:53:07 C 17 52 50.44 +12 42 00.5 u H21
2015-07-29 03:55:05 C 17 52 51.58 +12 42 05.6 u H21
2015-07-29 03:57:02 C 17 52 52.70 +12 42 10.4 u H21
2015-07-29 03:59:00 C 17 52 53.84 +12 42 15.4 u H21
2015-07-29 04:00:57 C 17 52 54.97 +12 42 20.4 u H21
2015-07-29 04:02:55 C 17 52 56.10 +12 42 25.2 u H21
2015-07-29 04:04:46 C 17 52 57.17 +12 42 30.0 u H21
2015-07-29 04:06:56 C 17 52 58.43 +12 42 35.7 u H21
2015-07-29 04:08:35 C 17 52 59.38 +12 42 39.9 u H21
2015-07-30 00:52:33 C 18 04 41.74 +13 30 45.2 q I15
2015-07-30 00:54:17 C 18 04 42.60 +13 30 48.9 q I15
2015-07-30 00:56:00 C 18 04 43.49 +13 30 52.5 q I15
2015-07-30 02:15:46 C 18 05 25.23 +13 33 42.7 u H21
2015-07-30 02:21:13 C 18 05 28.01 +13 33 54.6 u H21
2015-07-30 02:38:20 C 18 05 36.69 +13 34 30.5 u H21
2015-07-30 03:16:59 C 18 05 55.97 +13 35 46.8 q W19
2015-07-30 03:18:13 C 18 05 56.59 +13 35 49.5 q W19
2015-07-30 03:19:28 C 18 05 57.23 +13 35 52.1 q W19
2015-07-30 03:20:43 C 18 05 57.84 +13 35 54.2 q W19
2015-07-31 00:40:19 C 18 16 22.08 +14 15 43.4 q C23
2015-07-31 00:41:47 C 18 16 22.76 +14 15 45.7 q C23
2015-07-31 00:43:59 C 18 16 23.74 +14 15 49.3 q C23
2015-07-31 00:46:12 C 18 16 24.73 +14 15 52.9 q C23
2015-07-31 00:48:24 C 18 16 25.73 +14 15 57.2 q C23
2015-07-31 00:50:37 C 18 16 26.74 +14 16 00.0 q C23
2015-07-31 02:41:04 C 18 17 20.74 +14 19 23.4 u H21
2015-07-31 02:43:48 C 18 17 21.94 +14 19 28.1 u H21
2015-07-31 02:46:31 C 18 17 23.13 +14 19 32.6 u H21
2015-07-31 02:49:15 C 18 17 24.32 +14 19 37.2 u H21
2015-07-31 02:51:58 C 18 17 25.51 +14 19 41.8 u H21
2015-07-31 02:54:42 C 18 17 26.70 +14 19 46.3 u H21
2015-07-31 02:57:26 C 18 17 27.89 +14 19 51.0 u H21
2015-07-31 03:00:09 C 18 17 29.09 +14 19 55.5 u H21
2015-07-31 03:02:53 C 18 17 30.28 +14 20 00.0 u H21
2015-07-31 03:05:36 C 18 17 31.48 +14 20 04.7 u H21
2015-07-31 03:08:19 C 18 17 32.66 +14 20 09.2 u H21
2015-07-31 03:11:02 C 18 17 33.84 +14 20 13.7 u H21
2015-07-31 03:13:46 C 18 17 35.04 +14 20 18.3 u H21
2015-07-31 03:16:30 C 18 17 36.23 +14 20 22.8 u H21
2015-07-31 03:19:14 C 18 17 37.42 +14 20 27.4 u H21
2015-07-31 03:23:52 C 18 17 39.45 +14 20 35.1 u H21
2015-07-31 04:15:19 C 18 18 01.82 +14 22 00.2 u H21
2015-07-31 04:17:24 C 18 18 02.72 +14 22 03.5 u H21
2015-07-31 04:19:28 C 18 18 03.62 +14 22 06.9 u H21
2015-07-31 04:21:32 C 18 18 04.51 +14 22 10.1 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)