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
2018-09-30 06:12:18 C 20 48 26.867 -16 29 08.04 U F52
2018-09-30 06:30:00 C 20 48 28.530 -16 29 00.68 U F52
2019-12-06 10:40:03 C 08 54 43.16 +19 59 27.7 V G96
2019-12-06 10:46:59 C 08 54 43.41 +19 59 26.6 V G96
2019-12-06 10:53:54 C 08 54 43.68 +19 59 26.0 V G96
2019-12-20 10:15:48 C 09 06 39.47 +19 28 56.2 V G96
2019-12-20 10:23:13 C 09 06 39.66 +19 28 55.8 V G96
2019-12-20 10:30:38 C 09 06 39.82 +19 28 55.2 V G96
2019-12-20 10:38:05 C 09 06 40.02 +19 28 54.8 V G96
2019-12-24 11:09:58 C 09 09 07.583 +19 24 41.11 U F51
2019-12-24 11:26:51 C 09 09 07.900 +19 24 40.76 U F51
2019-12-24 11:43:54 C 09 09 08.217 +19 24 40.41 U F51
2019-12-24 12:00:50 C 09 09 08.529 +19 24 40.02 U F51
2019-12-25 03:11:19 C 09 09 28.13 +19 24 08.5 V C95
2019-12-25 03:21:46 C 09 09 28.25 +19 24 08.5 V C95
2019-12-25 03:33:18 C 09 09 28.56 +19 24 07.6 V C95
2019-12-25 03:43:47 C 09 09 28.68 +19 24 06.7 V C95
2019-12-25 03:54:15 C 09 09 28.95 +19 24 07.1 V C95
2019-12-28 01:52:58 C 09 10 50.59 +19 23 01.8 V 595
2019-12-28 02:04:37 C 09 10 50.79 +19 23 02.0 V 595
2019-12-28 02:16:16 C 09 10 50.97 +19 23 02.3 V 595
2019-12-28 02:26:46 C 09 10 51.08 +19 23 02.0 V 595
2019-12-29 04:03:25 C 09 11 16.13 +19 23 07.5 o Z22
2019-12-29 04:07:34 C 09 11 16.05 +19 23 07.3 o Z22
2020-01-01 12:57:21 C 09 12 16.45 +19 24 45.0 V T08
2020-01-01 13:01:28 C 09 12 16.45 +19 24 44.4 V T08
2020-01-01 13:10:47 C 09 12 16.47 +19 24 44.9 V T08
2020-01-01 13:34:22 C 09 12 16.56 +19 24 45.9 V T08
2020-01-07 00:50:51 C 09 12 46.95 +19 32 50.3 V 160
2020-01-07 00:55:54 C 09 12 46.89 +19 32 50.8 V 160
2020-01-07 01:00:58 C 09 12 46.88 +19 32 51.1 V 160
2020-01-09 00:30:49 C 09 12 33.89 +19 37 48.5 V 160
2020-01-09 00:35:17 C 09 12 33.79 +19 37 50.0 V 160
2020-01-09 00:39:47 C 09 12 33.68 +19 37 49.6 V 160
2020-01-15 01:56:57 C 09 10 13.39 +20 01 21.8 17.7 q J43
2020-01-15 02:09:10 C 09 10 12.97 +20 01 24.3 17.8 q J43
2020-01-15 02:21:22 C 09 10 12.56 +20 01 26.9 17.7 q J43
2020-01-15 02:33:36 C 09 10 12.13 +20 01 29.5 17.8 q J43
2020-01-17 00:32:33 C 09 08 49.01 +20 11 54.8 V 130
2020-01-17 00:35:41 C 09 08 48.88 +20 11 55.6 V 130
2020-01-17 00:37:48 C 09 08 48.79 +20 11 56.2 V 130
2020-01-17 00:42:28 C 09 08 48.61 +20 11 57.6 V 130
2020-01-18 01:38:15 C 09 07 53.83 +20 18 33.5 17.3 q J43
2020-01-18 01:50:27 C 09 07 53.25 +20 18 36.7 17.3 q J43
2020-01-18 02:02:40 C 09 07 52.66 +20 18 40.0 17.3 q J43
2020-01-18 02:14:52 C 09 07 52.08 +20 18 43.3 17.2 q J43
2020-01-18 07:56:40 C 09 07 39.05 +20 20 15.8 V 703
2020-01-18 08:04:50 C 09 07 38.65 +20 20 18.1 V 703
2020-01-18 08:12:59 C 09 07 38.26 +20 20 20.7 V 703
2020-01-18 08:21:10 C 09 07 37.84 +20 20 23.0 V 703
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)