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
2020-08-15 19:28:39 C 18 24 26.85 +09 18 53.0 V 130
2020-08-15 19:35:49 C 18 24 28.57 +09 18 57.9 V 130
2020-08-19 20:12:31 C 18 45 33.92 +10 06 00.6 V 160
2020-08-19 20:15:53 C 18 45 34.55 +10 06 02.2 V 160
2020-08-19 20:19:16 C 18 45 35.16 +10 06 03.6 V 160
2020-08-20 20:32:52 C 18 50 10.86 +10 14 07.7 V 160
2020-08-20 20:36:41 C 18 50 11.59 +10 14 09.1 V 160
2020-08-20 20:40:32 C 18 50 12.26 +10 14 10.4 V 160
2020-08-21 20:28:22 C 18 54 29.67 +10 20 55.8 V 160
2020-08-21 20:31:13 C 18 54 30.14 +10 20 56.8 V 160
2020-08-21 20:34:04 C 18 54 30.65 +10 20 57.8 V 160
2020-08-28 04:56:24 C 19 17 47.83 +10 43 14.6 U I41
2020-08-28 05:27:22 C 19 17 51.78 +10 43 15.8 U I41
2020-08-29 04:56:59 C 19 20 56.73 +10 44 13.2 U I41
2020-08-29 05:04:11 C 19 20 57.63 +10 44 13.5 U I41
2025-01-05 06:41:08 C 10 01 58.090 +01 40 39.10 V 807
2025-01-05 07:05:39 C 10 01 57.750 +01 40 29.20 V 807
2025-01-05 07:29:37 C 10 01 57.400 +01 40 19.30 V 807
2025-02-21 09:17:27 C 09 02 33.087 -04 47 27.65 X F52
2025-02-21 09:35:51 C 09 02 31.520 -04 47 31.41 X F52
2025-02-21 09:54:15 C 09 02 29.949 -04 47 35.42 X F52
2025-02-24 08:13:58 C 08 56 39.634 -05 01 28.00 X F51
2025-02-24 08:30:27 C 08 56 38.226 -05 01 30.96 X F51
2025-02-24 08:46:56 C 08 56 36.810 -05 01 33.98 X F51
2025-02-24 09:03:24 C 08 56 35.387 -05 01 37.07 X F51
2025-03-21 05:47:00 C 08 13 23.284 -05 57 07.61 X F51
2025-03-21 06:03:57 C 08 13 22.344 -05 57 08.23 X F51
2025-03-21 06:21:45 C 08 13 21.355 -05 57 08.75 X F51
2025-03-21 06:38:43 C 08 13 20.401 -05 57 09.24 X F51
2025-08-03 06:05:18 C 15 37 56.093 -03 11 08.27 V T08
2025-08-03 06:23:54 C 15 38 06.511 -03 10 23.27 V T08
2025-08-03 06:31:49 C 15 38 10.884 -03 10 04.04 V T08
2025-08-03 06:37:45 C 15 38 14.261 -03 09 49.82 V T08
2025-08-05 07:32:46 C 16 05 12.986 -01 16 03.79 V T05
2025-08-05 07:38:00 C 16 05 15.742 -01 15 51.95 V T05
2025-08-05 07:45:58 C 16 05 19.877 -01 15 34.06 V T05
2025-08-05 08:00:23 C 16 05 27.341 -01 15 01.73 V T05
2025-08-07 07:29:39 C 16 29 33.331 +00 25 48.32 V T08
2025-08-07 07:34:15 C 16 29 35.546 +00 25 57.86 V T08
2025-08-07 08:00:17 C 16 29 47.942 +00 26 49.99 V T08
2025-08-07 08:22:57 C 16 29 58.618 +00 27 35.17 V T08
2025-08-09 01:14:20 C 16 48 55.090 +01 45 33.88 V W68
2025-08-09 01:23:51 C 16 48 59.225 +01 45 51.12 V W68
2025-08-09 02:13:31 C 16 49 20.801 +01 47 18.92 V W68
2025-08-09 02:28:06 C 16 49 27.034 +01 47 44.84 V W68
2025-08-09 08:00:11 C 16 51 52.829 +01 56 55.25 V T05
2025-08-09 08:04:45 C 16 51 54.840 +01 57 03.49 V T05
2025-08-09 08:31:31 C 16 52 06.398 +01 57 50.54 V T05
2025-08-09 08:38:50 C 16 52 09.358 +01 58 03.07 V T05
2025-08-13 06:49:33 C 17 29 04.432 +04 19 09.20 X F52
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)