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
2020-02-16 19:29:43 C 02 04 46.58 +15 29 54.3 q Z45
2020-02-16 19:32:11 C 02 04 41.88 +15 29 22.9 q Z45
2020-02-16 19:34:26 C 02 04 37.52 +15 28 55.6 q Z45
2020-02-16 19:36:04 C 02 04 34.46 +15 28 35.0 q Z45
2020-07-02 13:49:53 C 01 48 52.254 +11 39 52.43 U F51
2020-07-02 13:58:17 C 01 48 52.774 +11 39 55.89 U F51
2020-07-02 14:06:39 C 01 48 53.281 +11 39 59.41 U F51
2020-07-02 14:15:01 C 01 48 53.769 +11 40 02.60 U F51
2020-08-23 13:07:27 C 02 23 06.181 +15 55 30.46 U F51
2020-08-23 13:22:56 C 02 23 05.912 +15 55 30.44 U F51
2020-08-23 13:38:19 C 02 23 05.646 +15 55 30.52 U F51
2020-08-23 13:53:35 C 02 23 05.380 +15 55 30.40 U F51
2020-08-27 08:54:36 C 02 21 22.11 +15 53 21.7 V G96
2020-08-27 09:02:00 C 02 21 21.96 +15 53 21.6 V G96
2020-08-27 09:09:25 C 02 21 21.77 +15 53 21.5 V G96
2020-08-27 09:16:50 C 02 21 21.60 +15 53 21.2 V G96
2020-09-12 11:11:30 C 02 06 01.574 +15 02 26.75 U F52
2020-09-12 11:46:25 C 02 05 59.532 +15 02 18.86 U F52
2020-09-13 09:31:49 C 02 04 44.87 +14 57 13.6 V G96
2020-09-13 09:39:55 C 02 04 44.31 +14 57 11.8 V G96
2020-09-13 09:48:00 C 02 04 43.83 +14 57 10.7 V G96
2020-09-13 09:56:07 C 02 04 43.31 +14 57 08.1 V G96
2020-09-19 13:36:32 C 01 55 20.306 +14 16 30.16 U F52
2020-09-19 13:54:08 C 01 55 19.048 +14 16 24.77 U F52
2020-09-19 14:11:43 C 01 55 17.768 +14 16 19.06 U F52
2020-09-19 14:29:15 C 01 55 16.525 +14 16 13.23 U F52
2020-09-25 13:30:34 C 01 44 52.913 +13 26 54.10 U F51
2020-09-25 13:44:33 C 01 44 51.811 +13 26 48.89 U F51
2020-09-25 13:58:31 C 01 44 50.705 +13 26 43.45 U F51
2020-09-25 14:12:33 C 01 44 49.618 +13 26 38.21 U F51
2020-10-07 09:49:22 C 01 22 15.05 +11 27 10.0 V G96
2020-10-07 09:56:49 C 01 22 14.47 +11 27 06.3 V G96
2020-10-07 10:04:15 C 01 22 13.81 +11 27 03.4 V G96
2020-10-07 10:11:41 C 01 22 13.23 +11 26 59.9 V G96
2020-10-07 17:55:48 C 01 21 36.03 +11 23 28.2 q D29
2020-10-07 18:16:10 C 01 21 34.23 +11 23 19.3 q D29
2020-10-08 11:59:30 C 01 20 08.856 +11 15 17.43 U F51
2020-10-08 12:15:42 C 01 20 07.519 +11 15 10.13 U F51
2020-10-08 12:48:04 C 01 20 04.856 +11 14 55.10 U F51
2020-10-15 05:38:04 C 01 07 30.48 +10 01 02.1 V G96
2020-10-15 05:45:28 C 01 07 29.91 +10 00 58.7 V G96
2020-10-15 05:52:51 C 01 07 29.34 +10 00 55.4 V G96
2020-10-15 06:00:15 C 01 07 28.75 +10 00 51.8 V G96
2020-10-18 10:11:04 C 01 01 51.826 +09 26 28.32 U F51
2020-10-18 10:32:14 C 01 01 50.266 +09 26 18.77 U F51
2020-10-18 10:52:54 C 01 01 48.738 +09 26 09.63 U F51
2020-10-18 11:13:35 C 01 01 47.200 +09 26 00.34 U F51
2020-10-19 10:00:44 C 01 00 10.223 +09 15 54.11 U F51
2020-10-19 10:21:01 C 01 00 08.741 +09 15 45.03 U F51
2020-10-19 10:41:13 C 01 00 07.259 +09 15 36.23 U F51
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)