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
2020-01-22 08:48:01 C 09 02 37.75 +20 51 54.2 u H21
2020-01-22 08:49:59 C 09 02 37.62 +20 51 55.1 u H21
2020-01-22 08:51:56 C 09 02 37.47 +20 51 55.6 u H21
2020-01-22 08:53:54 C 09 02 37.33 +20 51 56.3 u H21
2020-01-22 08:55:52 C 09 02 37.19 +20 51 57.2 u H21
2020-01-22 08:57:49 C 09 02 37.03 +20 51 57.7 u H21
2020-01-22 08:59:47 C 09 02 36.90 +20 51 58.6 u H21
2020-01-22 09:01:50 C 09 02 36.75 +20 51 59.2 u H21
2020-01-22 20:49:26 C 09 01 52.66 +20 56 28.4 V L40
2020-01-22 20:58:31 C 09 01 52.03 +20 56 32.1 V L40
2020-01-22 23:12:34 C 09 01 41.80 +20 57 30.9 r 106
2020-01-22 23:34:31 C 09 01 40.10 +20 57 40.0 r 106
2020-01-22 23:56:27 C 09 01 38.40 +20 57 48.8 r 106
2020-01-23 00:18:24 C 09 01 36.69 +20 57 57.8 r 106
2020-01-23 02:51:20 C 09 01 24.92 +20 58 58.7 V 160
2020-01-23 02:54:17 C 09 01 24.69 +20 58 59.8 V 160
2020-01-23 02:57:14 C 09 01 24.47 +20 59 01.0 V 160
2020-01-23 04:07:32 C 09 01 23.18 +20 59 31.1 V U71
2020-01-23 04:12:38 C 09 01 22.84 +20 59 32.7 V U71
2020-01-23 04:17:59 C 09 01 22.43 +20 59 35.2 V U71
2020-01-23 04:59:32 C 09 01 19.28 +20 59 54.6 V U71
2020-01-23 05:04:37 C 09 01 18.88 +20 59 56.8 V U71
2020-01-23 05:09:59 C 09 01 18.53 +20 59 58.8 V U71
2020-01-23 05:33:33 C 09 01 16.70 +21 00 09.5 V U71
2020-01-23 05:38:40 C 09 01 16.26 +21 00 12.4 V U71
2020-01-23 05:44:00 C 09 01 15.91 +21 00 14.7 V U71
2020-01-23 06:06:33 C 09 01 14.08 +21 00 24.5 V U71
2020-01-23 06:11:38 C 09 01 13.68 +21 00 26.6 V U71
2020-01-23 06:17:00 C 09 01 13.29 +21 00 29.5 V U71
2020-01-23 06:28:28 C 09 01 12.09 +21 00 36.6 V 703
2020-01-23 06:36:04 C 09 01 11.48 +21 00 40.0 V 703
2020-01-23 06:43:39 C 09 01 10.86 +21 00 43.2 V 703
2020-01-23 06:51:14 C 09 01 10.25 +21 00 46.5 V 703
2020-01-23 09:31:05 C 09 00 59.17 +21 02 00.5 V T05
2020-01-23 09:38:31 C 09 00 58.55 +21 02 03.9 V T05
2020-01-23 09:42:54 C 09 00 58.19 +21 02 05.7 V T05
2020-01-23 10:10:07 C 09 00 55.92 +21 02 17.8 V T05
2020-01-23 19:46:30 C 09 00 13.89 +21 06 04.1 V C40
2020-01-23 19:48:42 C 09 00 13.71 +21 06 05.1 V C40
2020-01-23 20:04:55 C 09 00 12.36 +21 06 12.6 V C40
2020-01-23 20:05:39 C 09 00 12.30 +21 06 13.0 V C40
2020-01-23 20:07:52 C 09 00 12.12 +21 06 13.9 V C40
2020-01-23 20:11:00 C 09 00 11.86 +21 06 15.4 V C40
2020-01-23 20:12:28 C 09 00 11.73 +21 06 16.1 V C40
2020-01-23 20:14:41 C 09 00 11.55 +21 06 17.1 V C40
2020-01-23 21:01:52 C 09 00 08.26 +21 06 32.6 t G19
2020-01-23 21:14:05 C 09 00 07.28 +21 06 37.9 t G19
2020-01-23 21:26:27 C 09 00 06.23 +21 06 43.7 t G19
2020-01-24 07:22:03 C 08 59 19.34 +21 11 21.0 V G96
2020-01-24 07:29:36 C 08 59 18.66 +21 11 24.5 V G96
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)