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
2002-08-12 08:59:02 C 00 30 13.13 +00 04 00.0 15.2 c 704
2002-08-12 08:59:11 C 00 30 13.02 +00 03 59.4 15.5 c 704
2002-08-12 09:20:26 C 00 29 56.27 +00 02 46.1 15.2 c 704
2002-08-12 09:20:34 C 00 29 56.15 +00 02 45.6 15.7 c 704
2002-08-12 09:41:43 C 00 29 39.52 +00 01 32.9 15.3 c 704
2002-08-12 09:41:51 C 00 29 39.37 +00 01 32.3 16.2 c 704
2002-08-12 10:03:08 C 00 29 22.70 +00 00 19.2 15.8 c 704
2002-08-12 10:03:16 C 00 29 22.53 +00 00 18.4 15.6 c 704
2002-08-12 10:24:25 C 00 29 06.03 -00 00 53.9 15.6 c 704
2002-08-12 11:54:55 C 00 27 57.24 -00 06 15.8 c 848
2002-08-12 16:44:35 C 00 24 26.22 -00 22 11.2 300
2002-08-12 16:46:18 C 00 24 24.94 -00 22 17.1 300
2002-08-12 16:48:04 C 00 24 23.62 -00 22 22.7 300
2002-08-12 17:03:22 C 00 24 12.04 -00 23 13.4 300
2002-08-12 17:05:05 C 00 24 10.75 -00 23 19.3 300
2002-08-12 17:06:49 C 00 24 09.48 -00 23 25.0 300
2002-08-12 17:08:32 C 00 24 08.17 -00 23 30.5 300
2002-08-13 00:34:06 C 00 18 53.00 -00 47 30.5 15.2 939
2002-08-13 00:37:23 C 00 18 50.66 -00 47 40.9 15.2 939
2002-08-13 00:40:39 C 00 18 48.33 -00 47 50.9 15.2 939
2002-08-13 00:58:54 C 00 18 35.29 -00 48 48.8 941
2002-08-13 01:01:18 C 00 18 33.60 -00 48 56.2 941
2002-08-13 01:03:01 C 00 18 32.40 -00 49 01.6 941
2002-08-13 01:04:14 C 00 18 31.54 -00 49 05.5 941
2002-08-13 01:05:27 C 00 18 30.62 -00 49 09.3 941
2002-08-13 01:06:38 C 00 18 29.84 -00 49 12.9 941
2002-08-13 01:07:39 C 00 18 29.09 -00 49 16.0 941
2002-08-13 01:08:38 C 00 18 28.40 -00 49 19.3 941
2002-08-13 02:06:44 C 00 17 46.61 -00 52 35.5 d J95
2002-08-13 02:08:55 C 00 17 45.03 -00 52 42.7 d J95
2002-08-13 02:11:04 C 00 17 43.50 -00 52 49.1 d J95
2002-08-13 02:13:14 C 00 17 42.06 -00 52 55.8 d J95
2002-08-13 09:20:23 C 00 12 55.17 -01 14 14.4 c 670
2002-08-13 10:48:59 C 00 11 54.69 -01 18 39.3 c 670
2002-08-13 11:22:45 C 00 11 32.16 -01 20 30.9 c 848
2002-08-13 11:23:29 C 00 11 31.68 -01 20 32.5 c 848
2002-08-13 11:24:16 C 00 11 31.24 -01 20 33.7 c 848
2002-08-13 11:44:23 C 00 11 17.01 -01 21 20.7 c 670
2002-08-13 15:38:51 C 00 08 52.21 -01 30 48.4 c 322
2002-08-13 15:42:26 C 00 08 49.86 -01 30 59.2 c 322
2002-08-13 15:45:31 C 00 08 47.83 -01 31 08.1 c 322
2002-08-13 16:08:05 C 00 08 33.09 -01 32 12.8 c 322
2002-08-13 16:11:07 C 00 08 31.13 -01 32 21.4 c 322
2002-08-13 16:11:53 C 00 08 28.48 -01 34 18.8 355
2002-08-13 16:14:27 C 00 08 26.79 -01 34 26.2 355
2002-08-13 16:17:31 C 00 08 24.80 -01 34 34.4 355
2002-08-13 16:24:02 C 00 08 20.50 -01 34 53.2 355
2002-08-14 00:22:09 C 00 03 25.99 -01 57 09.8 c 952
2002-08-14 00:23:23 C 00 03 25.30 -01 57 12.8 c 952
2002-08-14 00:26:05 C 00 03 23.61 -01 57 21.0 c 952
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)