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
1995-10-23 04:07:48 C 00 17 17.09 +04 30 31.9 i 691
1995-10-23 04:37:57 C 00 17 15.47 +04 30 21.0 i 691
1995-10-23 05:20:21 C 00 17 13.14 +04 30 05.4 i 691
1995-10-27 03:38:37 C 00 12 40.20 +03 58 14.3 b 691
1995-10-27 04:08:43 C 00 12 38.84 +03 58 05.0 b 691
1995-10-27 04:38:47 C 00 12 37.45 +03 57 55.8 b 691
2002-08-10 09:44:01 C 01 11 39.71 +03 09 59.0 14.6 c 704
2002-08-10 10:00:42 C 01 11 22.54 +03 08 45.7 14.6 c 704
2002-08-10 10:17:25 C 01 11 05.36 +03 07 31.8 14.8 c 704
2002-08-10 10:34:07 C 01 10 48.22 +03 06 18.8 14.8 c 704
2002-08-10 10:50:50 C 01 10 31.09 +03 05 05.4 14.6 c 704
2002-08-10 23:51:08 C 00 58 06.95 +02 09 10.8 c 118
2002-08-10 23:52:46 C 00 58 05.43 +02 09 03.9 c 118
2002-08-10 23:53:26 C 00 58 04.79 +02 09 01.1 c 118
2002-08-10 23:55:26 C 00 58 02.91 +02 08 53.2 c 118
2002-08-10 23:56:05 C 00 58 02.26 +02 08 50.2 c 118
2002-08-10 23:56:53 C 00 58 01.55 +02 08 47.1 c 118
2002-08-11 01:16:57 C 00 56 48.04 +02 03 30.1 d 946
2002-08-11 01:20:08 C 00 56 45.08 +02 03 16.4 d 946
2002-08-11 01:21:12 C 00 56 44.08 +02 03 12.0 d 946
2002-08-11 01:53:19 C 00 56 14.12 +02 01 03.7 c 952
2002-08-11 01:53:55 C 00 56 13.55 +02 01 01.5 c 952
2002-08-11 01:55:07 C 00 56 12.43 +02 00 56.6 c 952
2002-08-11 01:56:57 C 00 56 10.72 +02 00 49.3 c 952
2002-08-11 01:58:42 C 00 56 09.08 +02 00 42.1 c 952
2002-08-11 01:59:33 C 00 56 08.26 +02 00 38.3 c 952
2002-08-11 02:01:21 C 00 56 06.59 +02 00 30.8 c 952
2002-08-11 02:06:10 C 00 56 02.10 +02 00 10.7 c 952
2002-08-11 02:07:01 C 00 56 01.29 +02 00 08.4 c 952
2002-08-11 02:08:45 C 00 55 59.68 +02 00 01.4 c 952
2002-08-11 02:11:16 C 00 55 57.34 +01 59 51.2 c 952
2002-08-11 02:22:03 C 00 55 47.18 +01 59 07.0 c 952
2002-08-11 02:23:54 C 00 55 45.41 +01 58 59.6 c 952
2002-08-11 02:25:36 C 00 55 43.86 +01 58 52.4 c 952
2002-08-11 02:27:30 C 00 55 42.06 +01 58 44.9 c 952
2002-08-11 02:28:39 C 00 55 41.00 +01 58 39.7 c 952
2002-08-11 07:06:20 C 00 51 35.67 +01 40 09.5 m G78
2002-08-11 07:07:30 C 00 51 34.62 +01 40 04.4 m G78
2002-08-11 07:08:42 C 00 51 33.56 +01 40 00.5 m G78
2002-08-11 07:09:51 C 00 51 32.51 +01 39 55.1 m G78
2002-08-11 07:10:59 C 00 51 31.46 +01 39 51.5 m G78
2002-08-11 07:12:11 C 00 51 30.44 +01 39 47.7 m G78
2002-08-11 09:04:32 C 00 49 48.02 +01 32 21.2 14.9 c 704
2002-08-11 09:04:39 C 00 49 47.88 +01 32 20.8 15.0 c 704
2002-08-11 09:26:12 C 00 49 28.44 +01 30 56.0 15.1 c 704
2002-08-11 09:26:20 C 00 49 28.30 +01 30 55.2 15.1 c 704
2002-08-11 09:32:38 C 00 49 21.19 +01 30 22.3 c 649
2002-08-11 09:34:26 C 00 49 19.55 +01 30 15.4 c 649
2002-08-11 09:36:13 C 00 49 17.96 +01 30 08.3 c 649
2002-08-11 09:47:52 C 00 49 08.84 +01 29 30.8 15.4 c 704
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)