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
2020-02-17 06:45:02 C 09 17 04.86 -05 27 09.8 V G96
2020-04-26 03:12:21 C 08 01 39.40 -08 10 16.9 V G96
2020-04-26 03:20:32 C 08 01 39.54 -08 10 19.1 V G96
2020-04-26 03:28:42 C 08 01 39.65 -08 10 20.7 V G96
2020-04-26 03:36:55 C 08 01 39.82 -08 10 21.3 V G96
2020-07-29 19:51:17 C 15 21 57.97 -03 01 58.7 V 160
2020-07-29 19:53:38 C 15 21 59.57 -03 01 51.5 V 160
2020-07-29 19:57:06 C 15 22 01.94 -03 01 40.0 V 160
2020-07-30 06:37:51 C 15 29 23.73 -02 27 27.7 V T08
2020-07-30 06:43:09 C 15 29 27.23 -02 27 11.2 V T08
2020-07-30 06:51:10 C 15 29 32.64 -02 26 46.1 V T08
2020-07-30 07:40:25 C 15 30 05.59 -02 24 10.4 V T08
2020-07-30 20:25:22 C 15 38 43.98 -01 44 42.0 V L63
2020-07-30 20:26:25 C 15 38 44.70 -01 44 40.3 V 160
2020-07-30 20:29:16 C 15 38 46.53 -01 44 31.1 V 160
2020-07-30 20:32:06 C 15 38 48.36 -01 44 22.6 V 160
2020-07-30 20:36:17 C 15 38 51.17 -01 44 08.9 V L63
2020-07-30 21:16:15 C 15 39 17.50 -01 42 05.7 V L63
2020-07-31 07:01:50 C 15 45 46.73 -01 11 51.1 V T05
2020-07-31 07:06:28 C 15 45 49.70 -01 11 36.9 V T05
2020-07-31 07:16:28 C 15 45 56.15 -01 11 06.7 V T05
2020-07-31 07:32:30 C 15 46 06.46 -01 10 18.2 V T05
2020-08-01 07:17:53 C 16 01 23.23 +00 00 06.3 V T05
2020-08-01 07:22:30 C 16 01 26.05 +00 00 19.7 V T05
2020-08-01 07:31:45 C 16 01 31.75 +00 00 46.6 V T05
2020-08-01 07:46:30 C 16 01 40.79 +00 01 28.9 V T05
2020-08-01 18:58:01 S 16 08 38.196 +00 33 39.67 L C51
2020-08-01 19:56:41 C 16 09 13.91 +00 35 44.3 V 160
2020-08-01 19:59:38 C 16 09 15.61 +00 35 52.3 V 160
2020-08-01 20:02:33 C 16 09 17.42 +00 36 00.0 V 160
2020-08-01 22:06:20 S 16 10 33.214 +00 42 25.92 L C51
2020-08-01 22:06:31 S 16 10 33.329 +00 42 25.42 L C51
2020-08-01 23:40:35 S 16 11 30.478 +00 46 46.67 L C51
2020-08-02 01:14:50 S 16 12 27.485 +00 51 06.44 L C51
2020-08-02 02:49:05 S 16 13 24.331 +00 55 25.07 L C51
2020-08-02 20:04:43 C 16 23 34.36 +01 40 53.4 V L18
2020-08-02 20:05:42 C 16 23 34.92 +01 40 55.8 V L18
2020-08-02 20:06:42 C 16 23 35.50 +01 40 58.2 V L18
2020-08-02 20:07:41 C 16 23 36.06 +01 41 00.7 V L18
2020-08-02 20:08:41 C 16 23 36.65 +01 41 03.4 V L18
2020-08-02 20:09:40 C 16 23 37.18 +01 41 05.6 V L18
2020-08-02 21:46:30 C 16 24 32.77 +01 45 21.2 V C95
2020-08-02 21:55:09 C 16 24 37.67 +01 45 43.2 V C95
2020-08-02 22:04:09 C 16 24 42.80 +01 46 06.4 V C95
2020-08-03 21:06:43 C 16 37 35.43 +02 43 32.2 V L18
2020-08-03 21:07:44 C 16 37 35.95 +02 43 35.1 V L18
2020-08-03 21:08:45 C 16 37 36.52 +02 43 36.8 V L18
2020-08-03 21:09:46 C 16 37 37.06 +02 43 39.6 V L18
2020-08-03 21:10:47 C 16 37 37.58 +02 43 41.4 V L18
2020-08-03 21:11:48 C 16 37 38.19 +02 43 44.5 V 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)