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
2025-08-13 07:02:40 C 17 29 08.871 +04 19 25.71 X F52
2025-08-13 07:28:41 C 17 29 17.712 +04 19 58.27 X F52
2025-08-13 08:27:31 C 17 29 37.747 +04 21 13.00 V T08
2025-08-13 08:39:31 C 17 29 41.796 +04 21 27.94 V T08
2025-08-13 08:51:29 C 17 29 45.898 +04 21 42.88 V T08
2025-08-13 16:13:20 B 17 32 19.02 +04 30 33.9 X N94
2025-08-13 16:26:24 B 17 32 23.41 +04 30 49.9 X N94
2025-08-13 16:39:29 B 17 32 27.81 +04 31 05.6 X N94
2025-08-15 21:34:19 B 17 49 29.321 +05 29 16.30 W Z80
2025-08-15 21:48:24 B 17 49 33.482 +05 29 30.48 W Z80
2025-08-16 06:40:30 C 17 52 13.060 +05 38 21.81 X F51
2025-08-16 06:53:56 C 17 52 16.917 +05 38 34.62 X F51
2025-08-16 07:07:17 C 17 52 20.730 +05 38 47.27 X F51
2025-08-16 07:20:35 C 17 52 24.541 +05 38 59.87 X F51
2025-08-23 05:48:53 C 18 33 32.659 +07 32 15.94 V T05
2025-08-23 06:12:45 C 18 33 37.356 +07 32 27.74 V T05
2025-08-23 06:24:41 C 18 33 39.792 +07 32 32.89 V T05
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)