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
2020-08-03 22:08:22 C 16 38 09.26 +02 45 58.3 V Z80
2020-08-03 22:18:21 C 16 38 14.60 +02 46 22.7 V Z80
2020-08-04 20:18:38 C 16 49 48.36 +03 36 54.2 V L18
2020-08-04 20:19:48 C 16 49 48.94 +03 36 57.1 V L18
2020-08-04 20:20:58 C 16 49 49.49 +03 36 59.7 V L18
2020-08-04 20:22:08 C 16 49 50.01 +03 37 01.8 V L18
2020-08-04 22:21:23 C 16 50 50.26 +03 41 24.9 V 204
2020-08-04 22:36:51 C 16 50 58.01 +03 41 58.8 V 204
2020-08-06 20:32:17 C 17 12 49.34 +05 13 31.0 V L18
2020-08-06 20:33:37 C 17 12 49.93 +05 13 33.7 V L18
2020-08-06 20:34:57 C 17 12 50.52 +05 13 36.2 V L18
2020-08-06 20:36:17 C 17 12 51.08 +05 13 38.9 V L18
2020-08-06 20:37:37 C 17 12 51.69 +05 13 41.4 V L18
2020-08-06 20:37:40 C 17 12 52.10 +05 13 44.6 V G17
2020-08-06 20:38:57 C 17 12 52.24 +05 13 43.1 V L18
2020-08-06 20:40:41 C 17 12 53.42 +05 13 50.0 V G17
2020-08-06 20:43:42 C 17 12 54.74 +05 13 55.3 V G17
2020-08-08 20:10:46 C 17 32 39.21 +06 31 18.1 U L18
2020-08-08 20:12:12 C 17 32 39.76 +06 31 20.3 U L18
2020-08-08 20:13:38 C 17 32 40.30 +06 31 22.1 U L18
2020-08-08 20:15:04 C 17 32 40.85 +06 31 24.3 U L18
2020-08-08 20:16:30 C 17 32 41.39 +06 31 25.9 U L18
2020-08-08 20:17:56 C 17 32 41.93 +06 31 28.5 U L18
2020-08-09 07:35:54 C 17 37 01.03 +06 47 53.1 V T05
2020-08-09 07:39:53 C 17 37 02.49 +06 47 58.5 V T05
2020-08-09 08:04:31 C 17 37 11.45 +06 48 32.5 V T05
2020-08-09 08:17:49 C 17 37 16.30 +06 48 50.4 V T05
2020-08-09 20:58:24 C 17 41 56.55 +07 05 37.1 V 160
2020-08-09 21:02:05 C 17 41 57.84 +07 05 41.9 V 160
2020-08-09 21:05:11 C 17 41 58.92 +07 05 45.9 V 160
2020-08-10 08:21:07 C 17 45 58.96 +07 20 17.8 V T05
2020-08-10 08:54:40 C 17 46 10.36 +07 20 59.0 V T05
2020-08-10 09:02:00 C 17 46 12.80 +07 21 07.6 V T05
2020-08-11 09:14:05 C 17 54 22.57 +07 49 13.8 V T08
2020-08-11 09:18:43 C 17 54 24.02 +07 49 18.8 V T08
2020-08-11 09:28:02 C 17 54 26.99 +07 49 28.8 V T08
2020-08-11 09:43:20 C 17 54 31.84 +07 49 45.5 V T08
2020-08-12 20:27:29 C 18 05 19.62 +08 24 20.7 V 160
2020-08-12 20:30:44 C 18 05 20.56 +08 24 23.9 V 160
2020-08-12 20:34:21 C 18 05 21.58 +08 24 27.4 V 160
2020-08-13 08:16:12 C 18 08 45.23 +08 35 05.3 V T05
2020-08-13 08:24:11 C 18 08 47.46 +08 35 12.4 V T05
2020-08-13 08:29:31 C 18 08 48.94 +08 35 16.8 V T05
2020-08-13 08:46:05 C 18 08 53.49 +08 35 31.3 V T05
2020-08-13 19:58:52 C 18 12 03.38 +08 44 38.8 U L18
2020-08-13 20:00:53 C 18 12 03.96 +08 44 41.3 U L18
2020-08-13 20:02:54 C 18 12 04.49 +08 44 43.1 U L18
2020-08-13 20:04:55 C 18 12 05.04 +08 44 44.0 U L18
2020-08-13 20:06:56 C 18 12 05.58 +08 44 45.7 U L18
2020-08-13 20:08:57 C 18 12 06.13 +08 44 46.6 U L18
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)