163373 (2002 PZ39)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5463007404 ± 5.36e-09
Semi-major axis (a)1.4690738121 AU ± 5.16e-09
Inclination (i)1.66694383° ± 1.93e-06
Long. of Asc. Node (Ω)328.72030568° ± 1.28e-05
Arg. of Perihelion (ω)260.20095297° ± 1.29e-05
Mean Anomaly (M)57.44559627° ± 5.94e-06
Mean Motion (n)0.5535372485°/day ± 2.92e-09
Perihelion dist (q)0.66651770 AU ± 8.21e-09
Aphelion dist (Q)2.27162992 AU ± 1.12e-08
Orbital Period1.78059613 yr ± 9.39e-09
Physical Parameters
H (abs. magnitude)19.03
G (slope)0.15
Alternative Designations

1995 UQ53

Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.318″
Uncertainty0
Orbit TypeApollo
MOID0.002611 AU
Observations Used1115
Radar Obs Used3
Oppositions11
Arc Total1995-2024
First Observation Used1995-10-23
Last Observation Used2024-12-05
Observations (1183)
Date Type RA Dec Mag Band Observatory
2020-02-09 21:44:54 C 07 00 46.41 +27 53 31.3 q Z57
2020-02-09 21:45:25 C 07 00 45.93 +27 53 32.2 q Z57
2020-02-10 10:38:54 C 06 47 39.64 +28 14 51.9 q E89
2020-02-10 10:40:22 C 06 47 38.02 +28 14 54.4 q E89
2020-02-10 10:41:50 C 06 47 36.42 +28 14 56.1 q E89
2020-02-10 10:43:07 C 06 47 34.98 +28 14 57.7 q E89
2020-02-10 10:45:41 C 06 47 32.07 +28 15 01.0 q E89
2020-02-10 10:46:58 C 06 47 30.65 +28 15 02.6 q E89
2020-02-10 10:50:46 C 06 47 21.61 +28 12 55.2 V T08
2020-02-10 10:56:59 C 06 47 14.71 +28 13 02.2 V T08
2020-02-10 11:06:31 C 06 47 04.08 +28 13 12.8 V T08
2020-02-10 11:20:55 C 06 46 48.04 +28 13 28.7 V T08
2020-02-10 15:53:09 C 06 42 00.47 +28 18 24.2 V C40
2020-02-10 16:08:32 C 06 41 42.60 +28 18 45.4 V C40
2020-02-10 17:52:12 C 06 39 40.45 +28 21 00.7 V C40
2020-02-10 17:52:47 C 06 39 39.77 +28 21 01.4 V C40
2020-02-10 17:53:20 C 06 39 39.10 +28 21 02.1 V C40
2020-02-10 17:55:03 C 06 39 37.05 +28 21 04.2 V C40
2020-02-10 18:00:12 C 06 39 30.92 +28 21 10.6 V C40
2020-02-10 18:00:45 C 06 39 30.25 +28 21 11.3 V C40
2020-02-10 18:01:20 C 06 39 29.56 +28 21 12.0 V C40
2020-02-10 18:05:19 C 06 39 24.79 +28 21 16.8 V C40
2020-02-10 23:49:31 C 06 32 28.98 +28 27 06.6 V Z80
2020-02-11 00:00:15 C 06 32 15.56 +28 27 16.4 V Z80
2020-02-11 00:11:16 C 06 32 01.77 +28 27 25.5 V Z80
2020-02-11 09:54:25 C 06 19 34.39 +28 39 17.0 q E89
2020-02-11 09:56:51 C 06 19 31.02 +28 39 18.2 q E89
2020-02-11 09:59:18 C 06 19 27.59 +28 39 19.1 q E89
2020-02-11 10:01:45 C 06 19 24.17 +28 39 21.4 q E89
2020-02-11 13:08:42 C 06 15 11.785 +28 38 15.79 q O85
2020-02-11 13:14:39 C 06 15 03.210 +28 38 18.65 q O85
2020-02-11 13:21:39 C 06 14 53.136 +28 38 21.93 q O85
2020-02-11 13:22:42 C 06 14 51.630 +28 38 22.45 q O85
2020-02-11 13:28:39 C 06 14 43.082 +28 38 25.43 q O85
2020-02-11 13:29:42 C 06 14 41.549 +28 38 25.88 q O85
2020-02-11 13:36:42 C 06 14 31.403 +28 38 29.04 q O85
2020-02-11 13:37:46 C 06 14 29.895 +28 38 29.52 q O85
2020-02-11 13:41:36 C 06 14 24.363 +28 38 31.34 q O85
2020-02-11 13:42:39 C 06 14 22.825 +28 38 31.79 q O85
2020-02-11 23:28:10 C 06 00 00.90 +28 39 13.6 V Z80
2020-02-11 23:57:05 C 05 59 15.87 +28 39 04.4 V Z80
2020-02-11 23:59:35 C 05 59 11.95 +28 39 03.0 V Z80
2020-02-12 01:03:07 C 05 57 42.76 +28 41 43.1 H78
2020-02-12 01:04:27 C 05 57 40.59 +28 41 43.0 H78
2020-02-12 01:05:07 C 05 57 39.51 +28 41 43.7 H78
2020-02-12 01:05:48 C 05 57 38.42 +28 41 43.2 H78
2020-02-12 01:07:08 C 05 57 36.20 +28 41 42.6 H78
2020-02-12 01:09:08 C 05 57 33.02 +28 41 42.4 H78
2020-02-12 01:09:49 C 05 57 31.90 +28 41 42.1 H78
2020-02-12 01:10:29 C 05 57 30.84 +28 41 41.9 H78
Radar Observations (4)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2020-02-10 01:33:00 188753.1169 0.025 Hz 2380 -1 -1
2020-02-10 01:48:00 60840555.06 5 us 2380 -1 -1
2020-02-12 00:11:00 150131.5344 0.025 Hz 2380 -1 -1
2020-02-12 01:08:00 48686528.84 0.5 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)