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
2002-09-10 09:33:50 C 22 02 57.13 -10 21 02.6 18.2 c 608
2002-09-10 09:49:20 C 22 02 56.43 -10 21 04.6 18.3 c 608
2002-09-10 12:18:13 C 22 02 51.20 -10 21 05.0 m 428
2002-09-10 12:24:35 C 22 02 50.92 -10 21 05.6 m 428
2002-09-10 12:30:59 C 22 02 50.59 -10 21 06.6 m 428
2002-09-12 19:50:28 C 22 01 01.08 -10 28 17.8 c 151
2002-09-12 19:53:35 C 22 01 00.95 -10 28 18.7 c 151
2002-09-12 20:00:49 C 22 01 00.68 -10 28 19.3 c 151
2002-09-12 20:05:34 C 22 01 00.59 -10 28 19.5 c 151
2002-09-13 04:51:07 C 22 00 45.45 -10 29 09.8 17.6 c 704
2002-09-13 05:13:17 C 22 00 44.62 -10 29 12.0 17.8 c 704
2002-09-13 05:35:32 C 22 00 43.92 -10 29 14.7 17.9 c 704
2002-09-25 02:46:31 C 21 57 30.64 -10 38 25.6 c 644
2002-09-25 03:16:56 C 21 57 30.63 -10 38 25.3 c 644
2002-09-25 03:47:38 C 21 57 30.58 -10 38 24.8 c 644
2002-10-03 04:33:46 C 21 59 15.95 -10 27 52.5 20.0 c 704
2002-10-03 04:56:19 C 21 59 16.18 -10 27 51.0 20.2 c 704
2002-10-03 05:41:40 C 21 59 16.80 -10 27 47.1 19.5 c 704
2003-11-18 11:59:43 C 09 02 53.53 +18 54 46.8 d 291
2003-11-18 12:08:36 C 09 02 54.15 +18 54 43.2 d 291
2003-11-18 12:16:13 C 09 02 54.59 +18 54 40.6 d 291
2003-12-22 10:13:25 C 10 09 43.44 +13 56 13.1 d 291
2003-12-22 10:19:32 C 10 09 44.13 +13 56 08.6 d 291
2003-12-22 10:25:05 C 10 09 44.59 +13 56 07.5 d 291
2003-12-25 10:31:49 C 10 16 53.403 +13 19 06.91 645
2003-12-25 10:33:01 C 10 16 53.516 +13 19 06.37 645
2003-12-25 10:35:24 C 10 16 53.716 +13 19 05.11 645
2003-12-25 10:36:36 C 10 16 53.872 +13 19 04.47 645
2003-12-27 09:53:46 C 10 21 49.92 +12 52 59.3 19.2 c 704
2003-12-27 10:12:57 C 10 21 52.01 +12 52 47.0 19.9 c 704
2003-12-27 10:31:54 C 10 21 53.84 +12 52 37.6 19.3 c 704
2003-12-27 10:50:53 C 10 21 55.88 +12 52 26.3 19.8 c 704
2003-12-27 11:10:11 C 10 21 57.76 +12 52 16.3 19.8 c 704
2004-01-19 00:43:24 C 11 51 31.68 +03 48 04.1 r 170
2004-01-19 00:44:08 C 11 51 31.90 +03 48 03.5 r 170
2004-01-22 10:02:21 C 12 16 45.13 +00 59 10.4 18.2 c 704
2004-01-22 10:22:34 C 12 16 52.00 +00 58 23.5 17.8 c 704
2004-01-22 10:41:12 C 12 16 58.27 +00 57 39.4 18.3 c 704
2004-01-22 10:59:59 C 12 17 04.66 +00 56 55.6 18.0 c 704
2004-01-28 09:36:21 C 13 18 53.51 -05 56 46.5 17.3 c 704
2004-01-28 09:54:03 C 13 19 02.72 -05 57 48.0 17.6 c 704
2004-01-28 10:11:36 C 13 19 11.87 -05 58 48.9 17.5 c 704
2004-01-28 10:29:25 C 13 19 21.15 -05 59 51.1 17.6 c 704
2004-01-28 10:46:58 C 13 19 30.29 -06 00 51.8 17.7 c 704
2004-09-16 11:35:48 C 02 17 07.71 +16 02 31.8 d 291
2004-09-16 11:41:51 C 02 17 07.39 +16 02 30.3 d 291
2004-09-16 11:47:39 C 02 17 07.04 +16 02 29.0 d 291
2004-10-08 06:05:01 C 01 40 53.05 +13 13 42.9 c 691
2004-10-08 06:43:48 C 01 40 49.97 +13 13 27.5 c 691
2004-10-08 07:22:44 C 01 40 46.79 +13 13 11.3 c 691
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)