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
2020-01-31 17:59:32 C 08 37 02.22 +23 02 56.7 V C40
2020-01-31 18:01:21 C 08 37 01.86 +23 02 58.4 V C40
2020-01-31 18:02:14 C 08 37 01.68 +23 02 59.2 V C40
2020-01-31 18:24:59 C 08 36 57.13 +23 03 20.1 V C40
2020-01-31 18:28:35 C 08 36 56.40 +23 03 23.4 V C40
2020-01-31 18:30:23 C 08 36 56.04 +23 03 25.1 V C40
2020-01-31 18:32:11 C 08 36 55.68 +23 03 26.7 V C40
2020-01-31 19:07:01 C 08 36 48.64 +23 03 58.3 V C40
2020-01-31 19:13:21 C 08 36 47.36 +23 04 04.0 V C40
2020-01-31 19:18:46 C 08 36 46.26 +23 04 08.9 V C40
2020-01-31 19:21:29 C 08 36 45.70 +23 04 11.3 V C40
2020-01-31 19:22:22 C 08 36 45.52 +23 04 12.1 V C40
2020-01-31 19:23:17 C 08 36 45.34 +23 04 12.9 V C40
2020-01-31 19:51:05 C 08 36 39.67 +23 04 37.9 V C40
2020-01-31 21:31:59 C 08 36 20.91 +23 06 07.6 q 006
2020-01-31 21:33:38 C 08 36 20.60 +23 06 08.5 q 006
2020-01-31 21:36:23 C 08 36 20.00 +23 06 11.7 q 006
2020-01-31 21:38:35 C 08 36 19.58 +23 06 13.3 q 006
2020-01-31 21:40:47 C 08 36 19.09 +23 06 15.7 q 006
2020-01-31 21:42:59 C 08 36 18.65 +23 06 17.4 q 006
2020-01-31 21:45:11 C 08 36 18.17 +23 06 19.4 q 006
2020-01-31 21:47:23 C 08 36 17.73 +23 06 21.6 q 006
2020-02-01 05:38:28 C 08 34 44.32 +23 13 28.8 V 703
2020-02-01 05:46:00 C 08 34 42.70 +23 13 36.0 V 703
2020-02-01 05:53:31 C 08 34 41.01 +23 13 42.7 V 703
2020-02-01 06:01:03 C 08 34 39.37 +23 13 50.0 V 703
2020-02-01 10:34:50 C 08 33 38.41 +23 17 49.8 q H06
2020-02-01 10:38:53 C 08 33 37.50 +23 17 52.8 q H06
2020-02-01 10:44:15 C 08 33 36.29 +23 17 57.3 q H06
2020-02-02 05:20:18 C 08 29 36.23 +23 35 49.5 V G96
2020-02-02 05:28:24 C 08 29 34.21 +23 35 57.9 V G96
2020-02-02 05:36:29 C 08 29 32.18 +23 36 06.2 V G96
2020-02-02 05:44:35 C 08 29 30.16 +23 36 14.5 V G96
2020-02-02 05:45:55 C 08 29 30.37 +23 36 12.0 V U71
2020-02-02 05:49:25 C 08 29 29.53 +23 36 17.0 V U71
2020-02-02 05:53:07 C 08 29 28.65 +23 36 19.5 V U71
2020-02-02 06:15:55 C 08 29 22.90 +23 36 43.3 V U71
2020-02-02 06:19:28 C 08 29 21.98 +23 36 46.4 V U71
2020-02-02 06:23:11 C 08 29 21.04 +23 36 49.8 V U71
2020-02-02 10:01:41 C 08 28 28.07 +23 40 49.0 V T08
2020-02-02 10:05:57 C 08 28 26.95 +23 40 53.4 V T08
2020-02-02 10:14:05 C 08 28 24.84 +23 41 01.6 V T08
2020-02-02 10:29:48 C 08 28 20.73 +23 41 17.2 V T08
2020-02-02 16:05:04 C 08 27 03.30 +23 46 13.4 V C40
2020-02-02 17:13:29 C 08 26 45.82 +23 47 29.9 V C40
2020-02-02 17:15:17 C 08 26 45.36 +23 47 31.9 V C40
2020-02-02 17:17:59 C 08 26 44.66 +23 47 34.9 V C40
2020-02-02 17:18:54 C 08 26 44.42 +23 47 35.8 V C40
2020-02-02 17:29:43 C 08 26 41.60 +23 47 47.7 V C40
2020-02-02 17:41:59 C 08 26 38.37 +23 48 01.1 V C40
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)