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
2002-08-11 09:48:00 C 00 49 08.71 +01 29 30.0 14.9 c 704
2002-08-11 09:52:05 C 00 49 03.89 +01 29 04.1 d 734
2002-08-11 09:57:00 C 00 48 59.36 +01 28 45.8 d 734
2002-08-11 10:09:35 C 00 48 49.31 +01 28 05.5 15.2 c 704
2002-08-11 10:09:43 C 00 48 49.15 +01 28 04.9 15.2 c 704
2002-08-11 10:31:18 C 00 48 29.76 +01 26 40.4 15.1 c 704
2002-08-11 10:31:26 C 00 48 29.61 +01 26 39.6 15.3 c 704
2002-08-11 11:12:33 C 00 47 54.54 +01 23 42.4 c 848
2002-08-11 11:13:11 C 00 47 53.96 +01 23 39.7 c 848
2002-08-11 11:13:47 C 00 47 53.47 +01 23 37.6 c 848
2002-08-11 11:14:23 C 00 47 52.90 +01 23 35.1 c 848
2002-08-11 11:14:59 C 00 47 52.36 +01 23 32.8 c 848
2002-08-11 17:18:42 C 00 42 43.59 +01 00 31.8 355
2002-08-11 17:21:59 C 00 42 40.75 +01 00 19.1 355
2002-08-11 17:26:47 C 00 42 36.62 +01 00 01.2 355
2002-08-11 17:31:33 C 00 42 32.51 +00 59 43.4 355
2002-08-11 17:33:37 C 00 42 30.77 +00 59 35.3 355
2002-08-11 17:34:47 C 00 42 29.73 +00 59 31.1 355
2002-08-11 17:42:00 C 00 42 23.77 +00 59 05.0 379
2002-08-11 17:43:12 C 00 42 22.77 +00 59 00.6 379
2002-08-11 17:45:52 C 00 42 20.36 +00 58 51.2 379
2002-08-11 17:47:11 C 00 42 19.29 +00 58 45.5 379
2002-08-11 17:50:15 C 00 42 16.59 +00 58 34.5 379
2002-08-11 17:55:34 C 00 42 12.03 +00 58 14.2 379
2002-08-12 00:40:57 C 00 36 44.24 +00 33 12.0 c 952
2002-08-12 00:43:07 C 00 36 42.39 +00 33 03.7 c 952
2002-08-12 00:46:13 C 00 36 39.79 +00 32 51.8 941
2002-08-12 00:47:08 C 00 36 39.10 +00 32 49.9 c 952
2002-08-12 00:47:28 C 00 36 38.80 +00 32 47.1 941
2002-08-12 00:48:33 C 00 36 37.89 +00 32 43.4 941
2002-08-12 00:49:16 C 00 36 37.35 +00 32 42.2 c 952
2002-08-12 00:49:48 C 00 36 36.88 +00 32 38.7 941
2002-08-12 00:50:47 C 00 36 36.08 +00 32 35.2 941
2002-08-12 00:51:55 C 00 36 35.14 +00 32 31.1 941
2002-08-12 00:52:58 C 00 36 34.34 +00 32 28.6 c 952
2002-08-12 00:53:06 C 00 36 34.24 +00 32 26.8 941
2002-08-12 00:54:13 C 00 36 33.27 +00 32 23.1 941
2002-08-12 00:56:51 C 00 36 31.14 +00 32 14.9 c 952
2002-08-12 01:01:32 C 00 36 27.31 +00 31 57.7 c 952
2002-08-12 01:06:10 C 00 36 23.49 +00 31 40.7 c 952
2002-08-12 01:09:36 C 00 36 20.74 +00 31 28.7 c 952
2002-08-12 01:13:26 C 00 36 17.54 +00 31 14.7 c 952
2002-08-12 01:15:33 C 00 36 15.81 +00 31 07.3 c 952
2002-08-12 01:20:22 C 00 36 11.85 +00 30 49.4 c 952
2002-08-12 01:22:04 C 00 36 10.45 +00 30 43.7 c 952
2002-08-12 01:25:20 C 00 36 07.80 +00 30 32.2 c 952
2002-08-12 01:27:14 C 00 36 06.22 +00 30 25.1 c 952
2002-08-12 06:30:49 C 00 32 09.20 +00 12 27.4 c 649
2002-08-12 06:35:14 C 00 32 05.70 +00 12 12.1 c 649
2002-08-12 06:40:31 C 00 32 01.52 +00 11 53.7 c 649
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)