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
2002-08-17 21:59:57 C 23 19 29.41 -05 11 29.0 157
2002-08-17 22:01:49 C 23 19 28.70 -05 11 31.7 157
2002-08-17 23:28:18 C 23 18 56.17 -05 13 52.8 d 557
2002-08-17 23:34:22 C 23 18 53.93 -05 14 02.2 d 557
2002-08-17 23:38:23 C 23 18 52.44 -05 14 08.2 d 557
2002-08-17 23:41:23 C 23 18 51.33 -05 14 13.0 d 557
2002-08-18 01:12:12 C 23 18 18.59 -05 16 23.9 941
2002-08-18 01:13:28 C 23 18 18.20 -05 16 26.0 941
2002-08-18 01:14:31 C 23 18 17.78 -05 16 27.4 941
2002-08-18 01:15:28 C 23 18 17.39 -05 16 28.8 941
2002-08-18 05:36:36 C 23 16 47.17 -05 22 48.4 c 452
2002-08-18 05:37:08 C 23 16 46.95 -05 22 48.9 c 452
2002-08-18 05:38:29 C 23 16 46.46 -05 22 51.4 c 452
2002-08-18 05:40:06 C 23 16 45.88 -05 22 53.5 c 452
2002-08-19 00:27:51 C 23 10 31.65 -05 49 50.0 c 118
2002-08-19 00:35:35 C 23 10 29.10 -05 50 00.4 c 118
2002-08-19 08:56:36 C 23 07 57.74 -06 00 31.2 15.9 c 608
2002-08-19 09:11:54 C 23 07 52.88 -06 00 51.1 16.0 c 608
2002-08-19 09:27:06 C 23 07 48.05 -06 01 10.8 16.1 c 608
2002-08-19 17:47:25 C 23 05 16.14 -06 11 52.6 379
2002-08-19 17:56:23 C 23 05 13.42 -06 12 03.0 379
2002-08-19 23:22:50 C 23 03 42.47 -06 18 48.1 c 118
2002-08-19 23:24:44 C 23 03 41.91 -06 18 50.7 c 118
2002-08-19 23:27:11 C 23 03 41.17 -06 18 53.0 c 118
2002-08-20 22:29:28 C 22 57 32.36 -06 44 39.0 15.9 i 057
2002-08-20 22:37:23 C 22 57 30.29 -06 44 48.9 15.7 i 057
2002-08-20 22:44:32 C 22 57 28.22 -06 44 59.0 15.4 i 057
2002-08-26 21:47:40 C 22 30 25.94 -08 35 08.9 d 557
2002-08-26 22:17:53 C 22 30 21.46 -08 35 25.8 d 557
2002-08-26 22:45:34 C 22 30 17.37 -08 35 41.1 d 557
2002-08-26 23:15:46 C 22 30 12.89 -08 35 57.9 d 557
2002-08-26 23:18:15 C 22 30 13.08 -08 35 53.8 941
2002-08-26 23:18:49 C 22 30 13.02 -08 35 54.7 941
2002-08-26 23:21:19 C 22 30 12.69 -08 35 56.0 941
2002-08-26 23:22:35 C 22 30 12.56 -08 35 56.5 941
2002-08-26 23:23:13 C 22 30 12.39 -08 35 57.3 941
2002-08-26 23:23:49 C 22 30 12.33 -08 35 57.8 941
2002-08-27 00:12:54 C 22 30 04.47 -08 36 29.4 d 557
2002-08-27 00:45:38 C 22 29 59.71 -08 36 46.8 d 557
2002-08-27 09:00:48 C 22 28 52.35 -08 41 05.4 15.4 c 644
2002-08-27 09:16:12 C 22 28 50.13 -08 41 13.4 15.4 c 644
2002-08-27 09:41:00 C 22 28 46.56 -08 41 26.4 15.4 c 644
2002-08-27 22:42:34 C 22 27 06.66 -08 48 13.3 941
2002-08-27 22:43:11 C 22 27 06.54 -08 48 13.5 941
2002-08-27 22:43:50 C 22 27 06.50 -08 48 14.3 941
2002-08-27 22:44:28 C 22 27 06.36 -08 48 14.4 941
2002-08-27 22:45:06 C 22 27 06.32 -08 48 14.9 941
2002-08-27 22:46:22 C 22 27 06.10 -08 48 15.3 941
2002-08-27 22:47:00 C 22 27 06.02 -08 48 15.7 941
2002-08-28 14:33:17 C 22 25 09.44 -08 55 07.7 c 322
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)