IAA RAS IAA Minor Planet Database

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 17:03:55 C 04 44 32.68 +27 14 52.6 – V L04
2020-02-13 17:07:13 C 04 44 25.64 +27 14 37.7 – V L04
2020-02-13 17:10:12 C 04 44 19.27 +27 14 24.4 – V L04
2020-02-13 19:26:50 C 04 39 26.27 +27 03 36.6 – V L54
2020-02-13 19:59:36 C 04 38 15.74 +27 00 50.4 – V L54
2020-02-13 20:00:16 C 04 38 11.96 +27 00 35.5 – V C40
2020-02-13 20:00:43 C 04 38 10.97 +27 00 33.2 – V C40
2020-02-13 20:04:07 C 04 38 03.69 +27 00 15.4 – V C40
2020-02-13 20:11:28 n 04 37 54.87 +26 59 34.5 – q Z92
2020-02-13 20:19:33 C 04 37 30.60 +26 58 54.3 – V C40
2020-02-13 20:20:29 n 04 37 35.44 +26 58 48.8 – q Z92
2020-02-13 20:23:33 C 04 37 22.06 +26 58 33.2 – V C40
2020-02-13 20:28:07 C 04 37 12.27 +26 58 09.0 – V C40
2020-02-13 20:30:30 C 04 37 09.18 +26 58 09.4 – V L54
2020-02-13 20:30:39 n 04 37 13.49 +26 57 57.1 – q Z92
2020-02-13 20:35:28 n 04 37 03.06 +26 57 32.2 – q Z92
2020-02-13 20:37:32 C 04 36 54.01 +26 57 18.4 – V L18
2020-02-13 20:37:40 C 04 36 53.73 +26 57 18.0 – V L18
2020-02-13 20:37:47 C 04 36 53.46 +26 57 17.5 – V L18
2020-02-13 20:37:54 C 04 36 53.23 +26 57 17.3 – V L18
2020-02-13 20:38:01 C 04 36 52.98 +26 57 16.2 – V L18
2020-02-13 20:38:09 C 04 36 52.69 +26 57 15.4 – V L18
2020-02-13 20:38:16 C 04 36 52.44 +26 57 14.9 – V L18
2020-02-13 20:38:23 C 04 36 52.16 +26 57 14.9 – V L18
2020-02-13 20:38:30 C 04 36 51.89 +26 57 14.1 – V L18
2020-02-13 20:38:38 C 04 36 51.65 +26 57 12.9 – V L18
2020-02-13 20:38:45 C 04 36 51.40 +26 57 12.2 – V L18
2020-02-13 20:38:52 C 04 36 51.13 +26 57 11.6 – V L18
2020-02-13 20:38:59 C 04 36 50.84 +26 57 11.6 – V L18
2020-02-13 20:39:07 C 04 36 50.60 +26 57 10.5 – V L18
2020-02-13 20:39:14 C 04 36 50.37 +26 57 10.1 – V L18
2020-02-13 20:39:21 C 04 36 50.11 +26 57 08.9 – V L18
2020-02-13 20:39:28 C 04 36 49.86 +26 57 08.5 – V L18
2020-02-13 20:39:35 C 04 36 49.59 +26 57 08.1 – V L18
2020-02-13 20:39:43 C 04 36 49.32 +26 57 07.8 – V L18
2020-02-13 20:39:50 C 04 36 49.06 +26 57 06.8 – V L18
2020-02-13 20:39:57 C 04 36 48.78 +26 57 05.7 – V L18
2020-02-13 20:40:04 C 04 36 48.51 +26 57 05.5 – V L18
2020-02-13 20:40:12 C 04 36 48.27 +26 57 05.1 – V L18
2020-02-13 20:40:19 C 04 36 48.02 +26 57 04.3 – V L18
2020-02-13 20:40:26 C 04 36 47.75 +26 57 03.5 – V L18
2020-02-13 20:40:28 n 04 36 52.25 +26 57 06.5 – q Z92
2020-02-13 20:40:33 C 04 36 47.52 +26 57 02.3 – V L18
2020-02-13 20:40:41 C 04 36 47.27 +26 57 02.1 – V L18
2020-02-13 20:40:48 C 04 36 47.01 +26 57 01.8 – V L18
2020-02-13 20:40:55 C 04 36 46.76 +26 57 01.0 – V L18
2020-02-13 20:41:02 C 04 36 46.46 +26 57 00.7 – V L18
2020-02-13 20:45:29 n 04 36 41.47 +26 56 40.9 – q Z92
2020-02-13 20:50:35 n 04 36 30.41 +26 56 14.3 – q Z92
2020-02-13 20:55:56 n 04 36 18.86 +26 55 46.4 – q Z92
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)