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
2020-01-27 04:46:25 C 08 52 51.61 +21 46 25.4 V U71
2020-01-27 05:06:32 C 08 52 49.27 +21 46 37.9 V U71
2020-01-27 05:11:37 C 08 52 48.63 +21 46 40.9 V U71
2020-01-27 05:17:00 C 08 52 47.98 +21 46 44.2 V U71
2020-01-27 05:21:02 C 08 52 47.57 +21 46 46.8 V U71
2020-01-27 13:22:52 C 08 51 49.48 +21 51 39.4 V T05
2020-01-27 13:34:25 C 08 51 48.03 +21 51 45.6 V T05
2020-01-27 13:39:25 C 08 51 47.40 +21 51 48.3 V T05
2020-01-27 13:53:51 C 08 51 45.59 +21 51 56.1 V T05
2020-01-28 01:24:31 C 08 50 24.78 +21 58 30.6 V C40
2020-01-28 01:31:46 C 08 50 23.85 +21 58 34.7 V C40
2020-01-28 01:46:12 C 08 50 22.01 +21 58 42.9 V C40
2020-01-28 02:23:47 C 08 50 17.27 +21 59 04.0 V C40
2020-01-28 02:36:27 C 08 50 15.69 +21 59 11.1 V C40
2020-01-28 03:02:36 C 08 50 17.08 +21 59 41.1 q W33
2020-01-28 03:12:48 C 08 50 15.71 +21 59 47.7 q W33
2020-01-28 03:31:26 C 08 50 13.28 +21 59 59.9 q W33
2020-01-28 21:28:27 C 08 47 55.92 +22 11 14.8 V Z80
2020-01-28 21:32:47 C 08 47 55.30 +22 11 17.6 V Z80
2020-01-28 21:37:06 C 08 47 54.71 +22 11 20.7 V Z80
2020-01-28 21:41:27 C 08 47 54.11 +22 11 23.7 V Z80
2020-01-28 21:45:47 C 08 47 53.49 +22 11 27.0 V Z80
2020-01-29 07:08:04 C 08 46 35.77 +22 18 06.1 V 703
2020-01-29 07:15:40 C 08 46 34.55 +22 18 10.2 V 703
2020-01-29 07:23:14 C 08 46 33.39 +22 18 15.4 V 703
2020-01-29 07:30:49 C 08 46 32.22 +22 18 20.7 V 703
2020-01-29 10:02:53 C 08 46 11.27 +22 20 17.8 V T08
2020-01-29 10:10:38 C 08 46 10.04 +22 20 23.2 V T08
2020-01-29 10:14:43 C 08 46 09.39 +22 20 26.1 V T08
2020-01-29 10:29:17 C 08 46 07.08 +22 20 36.3 V T08
2020-01-30 04:10:16 C 08 43 32.43 +22 32 54.1 V U71
2020-01-30 04:15:22 C 08 43 31.60 +22 32 58.5 V U71
2020-01-30 04:20:43 C 08 43 30.73 +22 33 02.6 V U71
2020-01-30 04:46:29 C 08 43 26.49 +22 33 23.3 V U71
2020-01-30 04:51:34 C 08 43 25.67 +22 33 27.5 V U71
2020-01-30 04:56:55 C 08 43 24.75 +22 33 31.6 V U71
2020-01-30 05:20:31 C 08 43 20.80 +22 33 50.7 V U71
2020-01-30 05:25:37 C 08 43 19.96 +22 33 54.9 V U71
2020-01-30 05:30:59 C 08 43 19.05 +22 33 59.0 V U71
2020-01-30 05:42:31 C 08 43 16.96 +22 34 10.0 U I41
2020-01-30 06:10:36 C 08 43 12.18 +22 34 31.9 U I41
2020-01-30 06:43:32 C 08 43 06.54 +22 34 57.7 U I41
2020-01-30 06:44:11 C 08 43 06.43 +22 34 58.1 U I41
2020-01-31 08:35:32 C 08 38 45.97 +22 55 31.6 V T05
2020-01-31 08:51:19 C 08 38 42.86 +22 55 45.3 V T05
2020-01-31 09:02:05 C 08 38 40.73 +22 55 54.6 V T05
2020-01-31 09:06:12 C 08 38 39.91 +22 55 58.2 V T05
2020-01-31 17:48:41 C 08 37 04.37 +23 02 46.8 V C40
2020-01-31 17:52:18 C 08 37 03.66 +23 02 50.0 V C40
2020-01-31 17:53:13 C 08 37 03.48 +23 02 50.9 V C40
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)