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
2004-10-14 06:46:10 C 01 29 34.53 +12 11 55.3 c 691
2004-10-14 07:24:30 C 01 29 31.51 +12 11 38.7 c 691
2004-10-14 08:08:07 C 01 29 28.02 +12 11 19.5 c 691
2008-11-21 06:12:19 C 04 20 26.25 +24 31 26.3 o 691
2008-11-21 09:06:46 C 04 20 12.18 +24 30 57.4 o 291
2008-11-21 09:20:14 C 04 20 11.10 +24 30 55.1 o 291
2008-11-21 09:26:09 C 04 20 10.69 +24 30 54.3 o 291
2008-11-30 04:35:17 C 04 03 06.71 +23 49 07.5 o 691
2008-11-30 05:00:41 C 04 03 04.60 +23 49 02.0 o 691
2008-12-04 02:34:06 C 03 55 30.30 +23 26 58.6 o 691
2008-12-04 02:59:34 C 03 55 28.18 +23 26 52.3 o 691
2008-12-31 06:05:31 C 03 14 43.26 +20 45 42.6 r G96
2008-12-31 06:14:24 C 03 14 42.90 +20 45 41.1 r G96
2008-12-31 06:23:28 C 03 14 42.50 +20 45 39.0 r G96
2008-12-31 06:32:23 C 03 14 42.18 +20 45 37.1 r G96
2010-12-01 11:04:18 C 06 57 07.77 +25 44 53.9 r G96
2010-12-01 11:13:42 C 06 57 07.38 +25 44 54.8 r G96
2010-12-01 11:23:13 C 06 57 06.91 +25 44 55.7 r G96
2010-12-01 11:32:42 C 06 57 06.51 +25 44 56.5 r G96
2011-01-25 04:20:15 C 04 52 02.17 +25 14 00.6 r G96
2011-01-25 04:30:12 C 04 52 01.30 +25 13 58.1 r G96
2011-01-25 04:40:09 C 04 52 00.48 +25 13 55.8 r G96
2011-01-25 04:50:12 C 04 51 59.58 +25 13 53.3 r G96
2011-01-26 04:00:21 C 04 50 06.61 +25 08 33.9 r G96
2011-01-26 04:22:03 C 04 50 04.81 +25 08 29.1 r G96
2011-01-26 04:32:57 C 04 50 03.91 +25 08 26.4 r G96
2011-03-26 02:41:29 C 04 43 36.37 +22 22 49.9 r G96
2011-03-26 02:49:50 C 04 43 36.66 +22 22 49.4 r G96
2011-03-26 02:58:13 C 04 43 36.94 +22 22 49.0 r G96
2011-03-26 03:06:35 C 04 43 37.23 +22 22 48.3 r G96
2011-08-10 13:38:33 C 01 51 37.471 +12 24 34.65 L F51
2011-08-10 13:55:21 C 01 51 36.849 +12 24 33.21 L F51
2011-08-30 22:12:47 C 01 22 53.43 +10 31 38.8 u A13
2011-08-30 22:43:45 C 01 22 50.79 +10 31 26.9 u A13
2011-09-20 09:16:50 C 00 36 19.44 +06 21 40.8 r 703
2011-09-20 09:26:34 C 00 36 18.46 +06 21 35.0 r 703
2011-09-20 09:36:27 C 00 36 17.46 +06 21 28.6 r 703
2011-09-20 09:46:17 C 00 36 16.56 +06 21 23.5 r 703
2011-09-24 07:21:17 C 00 27 17.23 +05 27 29.1 19.5 c 704
2011-09-24 07:43:34 C 00 27 14.97 +05 27 15.8 19.5 c 704
2011-09-24 08:04:05 C 00 27 13.05 +05 27 05.3 19.8 c 704
2011-09-24 08:22:50 C 00 27 11.20 +05 26 53.9 19.9 c 704
2011-09-24 08:42:00 C 00 27 09.35 +05 26 43.5 19.8 c 704
2011-09-26 09:38:37 C 00 22 36.84 +04 58 54.0 r G96
2011-09-26 09:50:55 C 00 22 35.72 +04 58 47.2 r G96
2011-09-26 10:03:04 C 00 22 34.57 +04 58 40.2 r G96
2011-09-26 10:15:21 C 00 22 33.42 +04 58 33.3 r G96
2011-10-19 06:23:30 C 23 45 03.88 +00 53 00.1 r G96
2011-10-19 06:31:02 C 23 45 03.56 +00 52 58.3 r G96
2011-10-19 06:38:38 C 23 45 03.20 +00 52 55.7 r G96
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)