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
2020-02-03 14:43:38 C 08 21 00.23 +24 11 10.8 V O85
2020-02-03 14:48:37 C 08 20 58.71 +24 11 16.7 V O85
2020-02-03 14:53:38 C 08 20 57.18 +24 11 22.6 V O85
2020-02-03 14:58:38 C 08 20 55.66 +24 11 28.5 V O85
2020-02-03 16:32:38 C 08 20 26.72 +24 13 16.7 V O85
2020-02-03 22:48:24 C 08 18 37.06 +24 20 08.6 V Z80
2020-02-03 22:56:40 C 08 18 34.43 +24 20 18.3 V Z80
2020-02-03 23:03:19 C 08 18 32.32 +24 20 26.3 V Z80
2020-02-03 23:12:49 C 08 18 29.31 +24 20 37.7 V Z80
2020-02-04 09:43:14 C 08 15 12.27 +24 33 56.9 V T05
2020-02-04 09:47:53 C 08 15 10.66 +24 34 02.6 V T05
2020-02-04 09:56:57 C 08 15 07.49 +24 34 13.7 V T05
2020-02-04 10:11:10 C 08 15 02.53 +24 34 30.9 V T05
2020-02-04 15:38:04 C 08 13 19.42 +24 40 23.5 V C40
2020-02-04 16:42:55 C 08 12 57.05 +24 41 51.5 V C40
2020-02-04 17:01:52 C 08 12 50.42 +24 42 17.2 V C40
2020-02-04 17:39:36 C 08 12 37.09 +24 43 08.1 V C40
2020-02-04 18:02:13 C 08 12 29.04 +24 43 38.4 V C40
2020-02-04 18:03:06 C 08 12 28.72 +24 43 39.6 V C40
2020-02-04 18:38:51 C 08 12 15.89 +24 44 27.2 V C40
2020-02-04 18:58:44 C 08 12 08.70 +24 44 53.5 V C40
2020-02-04 19:36:14 C 08 11 55.07 +24 45 42.6 V C40
2020-02-04 19:55:12 C 08 11 48.13 +24 46 07.4 V C40
2020-02-04 19:57:00 C 08 11 47.47 +24 46 09.7 V C40
2020-02-04 19:58:48 C 08 11 46.81 +24 46 12.0 V C40
2020-02-04 20:30:15 n 08 11 37.66 +24 46 34.9 q Z92
2020-02-04 20:32:58 n 08 11 36.68 +24 46 38.6 q Z92
2020-02-04 20:58:40 C 08 11 27.00 +24 47 28.7 V 160
2020-02-04 21:00:21 n 08 11 26.78 +24 47 15.1 q Z92
2020-02-04 21:01:42 C 08 11 25.87 +24 47 32.6 V 160
2020-02-04 21:04:36 C 08 11 24.81 +24 47 36.4 V 160
2020-02-04 21:36:25 C 08 11 13.72 +24 48 06.9 V J69
2020-02-04 21:44:54 C 08 11 10.59 +24 48 18.2 V J69
2020-02-04 21:53:24 C 08 11 07.48 +24 48 29.5 V J69
2020-02-05 20:32:54 C 08 02 29.42 +25 19 00.5 V L40
2020-02-05 20:33:34 C 08 02 29.08 +25 19 10.6 V 160
2020-02-05 20:36:33 C 08 02 27.78 +25 19 14.8 V 160
2020-02-05 20:39:30 C 08 02 26.50 +25 19 18.8 V 160
2020-02-05 20:41:28 C 08 02 25.71 +25 19 13.0 V L40
2020-02-06 04:00:14 C 07 59 20.73 +25 29 56.7 V U71
2020-02-06 04:08:02 C 07 59 17.17 +25 30 08.5 V U71
2020-02-06 04:11:22 C 07 59 15.66 +25 30 13.9 V U71
2020-02-06 04:33:24 C 07 59 05.51 +25 30 47.7 V U71
2020-02-06 04:36:57 C 07 59 03.89 +25 30 53.4 V U71
2020-02-06 04:40:39 C 07 59 02.16 +25 30 58.9 V U71
2020-02-06 05:16:49 C 07 58 45.40 +25 31 53.9 V U71
2020-02-06 05:20:23 C 07 58 43.72 +25 31 59.6 V U71
2020-02-06 05:24:05 C 07 58 42.00 +25 32 04.8 V U71
2020-02-06 11:58:19 C 07 55 39.24 +25 43 32.2 q E89
2020-02-06 12:01:01 C 07 55 37.79 +25 43 37.2 q E89
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)