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
2002-08-28 15:01:16 C 22 25 05.81 -08 55 21.2 c 322
2002-08-28 15:49:24 C 22 24 59.53 -08 55 44.2 c 322
2002-08-28 21:34:50 C 22 24 19.11 -08 59 17.1 d 557
2002-08-28 22:03:31 C 22 24 15.52 -08 59 30.6 d 557
2002-08-28 22:34:54 C 22 24 11.63 -08 59 45.2 d 557
2002-08-28 23:03:28 C 22 24 08.05 -08 59 58.5 d 557
2002-08-28 23:29:05 C 22 24 04.89 -09 00 09.8 d 557
2002-08-29 23:09:36 C 22 21 27.02 -09 10 28.8 d 557
2002-08-29 23:22:23 C 22 21 25.52 -09 10 34.2 d 557
2002-08-29 23:35:08 C 22 21 24.10 -09 10 39.2 d 557
2002-08-29 23:47:55 C 22 21 22.67 -09 10 44.7 d 557
2002-08-29 23:57:28 C 22 21 21.55 -09 10 48.3 d 557
2002-08-30 00:16:05 C 22 21 19.83 -09 10 51.8 941
2002-08-30 00:17:22 C 22 21 19.71 -09 10 52.8 941
2002-08-30 00:22:09 C 22 21 19.15 -09 10 54.2 941
2002-08-30 00:23:04 C 22 21 19.01 -09 10 54.6 941
2002-08-30 00:23:59 C 22 21 18.96 -09 10 54.7 941
2002-08-30 00:24:53 C 22 21 18.82 -09 10 55.5 941
2002-08-30 00:25:49 C 22 21 18.70 -09 10 55.5 941
2002-08-30 20:44:32 C 22 19 15.61 -09 19 00.7 126
2002-08-30 21:02:17 C 22 19 13.56 -09 19 09.7 126
2002-08-30 21:07:23 C 22 19 13.15 -09 19 11.8 126
2002-08-30 22:01:23 C 22 19 07.21 -09 19 34.7 d 557
2002-08-30 22:04:35 C 22 19 06.88 -09 19 36.0 d 557
2002-08-30 22:09:50 C 22 19 06.36 -09 19 34.2 c 157
2002-08-30 22:12:11 C 22 19 06.19 -09 19 35.2 c 157
2002-08-30 22:14:32 C 22 19 05.99 -09 19 36.5 c 157
2002-08-30 22:16:54 C 22 19 05.68 -09 19 37.1 c 157
2002-08-30 22:19:16 C 22 19 05.46 -09 19 38.0 c 157
2002-08-30 22:21:38 C 22 19 05.14 -09 19 38.8 c 157
2002-08-30 22:23:58 C 22 19 04.91 -09 19 39.7 c 157
2002-08-30 22:26:21 C 22 19 04.64 -09 19 40.6 c 157
2002-08-30 22:28:42 C 22 19 04.36 -09 19 41.4 c 157
2002-09-01 13:41:25 C 22 15 29.56 -09 33 32.1 379
2002-09-01 13:46:35 C 22 15 29.04 -09 33 33.7 379
2002-09-03 14:00:50 C 22 11 42.11 -09 47 29.2 m 428
2002-09-03 14:07:11 C 22 11 41.63 -09 47 30.6 m 428
2002-09-03 14:14:01 C 22 11 41.09 -09 47 32.7 m 428
2002-09-05 05:01:00 C 22 09 06.93 -09 57 58.6 17.1 c 704
2002-09-05 05:21:32 C 22 09 05.50 -09 58 03.4 17.4 c 704
2002-09-05 05:41:54 C 22 09 04.07 -09 58 08.4 17.7 c 704
2002-09-05 06:02:17 C 22 09 02.65 -09 58 12.9 17.4 c 704
2002-09-05 06:22:36 C 22 09 01.24 -09 58 17.7 17.5 c 704
2002-09-05 11:59:38 C 22 08 39.49 -09 59 29.9 18.6 c 608
2002-09-05 12:14:59 C 22 08 38.46 -09 59 33.2 18.0 c 608
2002-09-05 12:29:53 C 22 08 37.46 -09 59 36.4 18.7 c 608
2002-09-09 22:41:39 C 22 03 22.17 -10 19 36.0 i 071
2002-09-09 22:47:07 C 22 03 21.90 -10 19 36.5 i 071
2002-09-09 22:53:05 C 22 03 21.64 -10 19 37.2 i 071
2002-09-10 09:18:31 C 22 02 57.81 -10 21 00.6 18.3 c 608
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)