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
2020-01-24 07:37:10 C 08 59 17.97 +21 11 28.0 – V G96
2020-01-24 07:44:45 C 08 59 17.29 +21 11 31.3 – V G96
2020-01-24 21:22:11 C 08 58 11.11 +21 17 32.4 – t G19
2020-01-24 21:42:50 C 08 58 09.26 +21 17 42.7 – t G19
2020-01-24 22:03:22 C 08 58 07.26 +21 17 52.5 – t G19
2020-01-24 22:24:06 C 08 58 05.38 +21 18 02.7 – t G19
2020-01-24 22:44:43 C 08 58 03.48 +21 18 13.2 – t G19
2020-01-24 23:00:15 C 08 58 02.04 +21 18 20.3 – t G19
2020-01-25 02:21:20 C 08 57 43.87 +21 20 12.7 – V G40
2020-01-25 02:36:25 C 08 57 42.37 +21 20 19.8 – V G40
2020-01-25 02:51:58 C 08 57 40.84 +21 20 27.0 – V G40
2020-01-25 03:11:12 C 08 57 38.95 +21 20 35.8 – V G40
2020-01-25 03:26:21 C 08 57 37.45 +21 20 42.8 – V G40
2020-01-25 04:35:44 C 08 57 34.89 +21 21 05.8 – V U71
2020-01-25 04:40:50 C 08 57 34.33 +21 21 08.6 – V U71
2020-01-25 04:46:12 C 08 57 33.84 +21 21 11.5 – V U71
2020-01-25 05:06:35 C 08 57 31.98 +21 21 22.5 – V U71
2020-01-25 05:11:40 C 08 57 31.47 +21 21 25.1 – V U71
2020-01-25 05:17:01 C 08 57 30.98 +21 21 27.2 – V U71
2020-01-25 06:47:57 C 08 57 22.08 +21 22 15.3 – V U71
2020-01-25 06:56:00 C 08 57 21.38 +21 22 19.1 – V U71
2020-01-25 11:31:29 C 08 56 55.20 +21 24 47.4 – V T08
2020-01-25 11:36:23 C 08 56 54.69 +21 24 49.8 – V T08
2020-01-25 11:44:06 C 08 56 53.90 +21 24 53.4 – V T08
2020-01-25 12:10:23 C 08 56 51.18 +21 25 06.1 – V T08
2020-01-25 16:32:00 C 08 56 30.38 +21 26 47.7 – V C40
2020-01-25 17:20:36 C 08 56 25.79 +21 27 14.5 – V C40
2020-01-25 19:01:18 C 08 56 15.88 +21 28 09.9 – V C40
2020-01-25 19:29:47 C 08 56 13.00 +21 28 25.4 – V C40
2020-01-25 19:59:05 C 08 56 10.00 +21 28 41.1 – V C40
2020-01-25 20:31:42 C 08 56 06.63 +21 28 58.6 – V C40
2020-01-25 20:48:14 C 08 56 04.92 +21 29 07.4 – V C40
2020-01-26 07:24:06 C 08 55 03.15 +21 34 47.7 – V 703
2020-01-26 07:31:42 C 08 55 02.31 +21 34 51.9 – V 703
2020-01-26 07:39:18 C 08 55 01.46 +21 34 55.5 – V 703
2020-01-26 07:46:53 C 08 55 00.61 +21 35 00.0 – V 703
2020-01-26 09:01:19 C 08 54 54.636 +21 35 47.07 – U F51
2020-01-26 09:19:11 C 08 54 52.631 +21 35 57.19 – U F51
2020-01-26 09:37:11 C 08 54 50.602 +21 36 07.28 – U F51
2020-01-26 21:44:17 C 08 53 37.25 +21 42 31.3 – V G40
2020-01-26 21:50:06 C 08 53 36.60 +21 42 34.8 – V G40
2020-01-26 21:56:43 C 08 53 35.85 +21 42 38.9 – V G40
2020-01-27 00:46:05 C 08 53 15.49 +21 44 18.2 15.8 q J43
2020-01-27 00:58:18 C 08 53 14.01 +21 44 25.1 15.8 q J43
2020-01-27 01:10:30 C 08 53 12.54 +21 44 31.9 15.9 q J43
2020-01-27 01:22:42 C 08 53 11.07 +21 44 38.7 15.8 q J43
2020-01-27 03:33:34 C 08 52 59.97 +21 45 39.7 – V U71
2020-01-27 03:44:02 C 08 52 58.77 +21 45 46.2 – V U71
2020-01-27 04:35:56 C 08 52 52.82 +21 46 18.4 – V U71
2020-01-27 04:41:04 C 08 52 52.28 +21 46 22.4 – V U71
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)