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
2020-02-13 21:01:27 C 04 36 02.51 +26 55 25.6 V L54
2020-02-13 21:30:01 C 04 35 00.84 +26 52 50.3 V L54
2020-02-13 21:57:48 C 04 34 04.62 +26 50 21.8 V Z80
2020-02-13 22:03:46 C 04 33 48.32 +26 49 45.1 V L54
2020-02-13 22:04:37 C 04 33 49.80 +26 49 44.4 V Z80
2020-02-13 22:23:42 C 04 33 05.18 +26 47 51.8 V L54
2020-02-13 22:33:05 C 04 32 48.22 +26 47 07.4 V Z80
2020-02-13 22:37:40 C 04 32 38.27 +26 46 41.6 V Z80
2020-02-14 00:09:39 C 04 29 28.72 +26 41 46.6 H78
2020-02-14 00:09:59 C 04 29 28.04 +26 41 45.1 H78
2020-02-14 03:23:57 C 04 22 22.89 +26 21 21.0 q V26
2020-02-14 03:24:46 C 04 22 21.09 +26 21 16.2 q V26
2020-02-14 03:52:56 C 04 21 17.98 +26 18 18.1 q V26
2020-02-14 04:23:06 C 04 20 10.48 +26 15 04.6 q V26
2020-02-14 05:05:26 C 04 18 35.81 +26 10 26.5 q V26
2020-02-14 05:27:52 C 04 17 45.74 +26 07 56.3 q V26
2020-02-14 05:32:15 C 04 17 35.94 +26 07 26.7 q V26
2020-02-14 17:22:24 C 03 51 23.54 +24 39 59.9 q L96
2020-02-14 17:37:25 C 03 50 49.11 +24 37 53.1 q L96
2020-02-14 17:49:43 C 03 50 20.95 +24 36 08.1 q L96
2020-02-14 18:04:13 C 03 49 54.37 +24 34 09.4 V 108
2020-02-14 18:05:51 C 03 49 50.64 +24 33 55.0 V 108
2020-02-14 18:07:05 C 03 49 47.84 +24 33 45.4 V 108
2020-02-14 18:07:54 C 03 49 45.97 +24 33 38.4 V 108
2020-02-14 18:09:27 C 03 49 42.34 +24 33 25.1 V 108
2020-02-14 18:11:31 C 03 49 37.67 +24 33 07.8 V 108
2020-02-14 19:43:14 C 03 46 07.17 +24 19 58.7 V 160
2020-02-14 19:46:57 C 03 45 58.63 +24 19 26.2 V 160
2020-02-14 19:50:40 C 03 45 50.11 +24 18 53.7 V 160
2020-02-14 23:46:05 C 03 37 04.86 +23 44 15.4 q I15
2020-02-14 23:48:39 C 03 36 58.96 +23 43 51.6 q I15
2020-02-14 23:51:13 C 03 36 53.08 +23 43 27.9 q I15
2020-02-14 23:53:46 C 03 36 47.19 +23 43 04.1 q I15
2020-02-14 23:56:20 C 03 36 41.28 +23 42 40.2 q I15
2020-02-15 00:39:28 C 03 35 01.72 +23 38 33.2 H78
2020-02-15 00:39:48 C 03 35 00.86 +23 38 30.4 H78
2020-02-15 04:23:44 C 03 26 34.96 +23 00 31.2 V 703
2020-02-15 04:31:19 C 03 26 17.69 +22 59 14.7 V 703
2020-02-15 04:38:55 C 03 26 00.34 +22 57 57.9 V 703
2020-02-15 04:46:31 C 03 25 43.02 +22 56 41.1 V 703
2020-02-15 18:55:58 C 02 54 35.84 +20 25 11.8 V 160
2020-02-15 18:59:18 C 02 54 28.51 +20 24 33.2 V 160
2020-02-15 19:02:36 C 02 54 21.28 +20 23 54.6 V 160
2020-02-16 02:58:14 C 02 37 29.68 +18 51 20.7 q V83
2020-02-16 03:07:18 C 02 37 10.82 +18 49 31.2 q V83
2020-02-16 12:16:25 C 02 18 39.787 +16 58 55.80 V O85
2020-02-16 12:21:25 C 02 18 29.779 +16 57 53.43 V O85
2020-02-16 12:31:25 C 02 18 09.660 +16 55 49.13 V O85
2020-02-16 19:25:44 C 02 04 54.25 +15 30 44.0 q Z45
2020-02-16 19:27:15 C 02 04 51.39 +15 30 25.4 q Z45
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)