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
2020-01-18 09:31:37 C 09 07 36.007 +20 20 47.53 U F51
2020-01-18 09:50:29 C 09 07 35.085 +20 20 53.21 U F51
2020-01-18 10:09:18 C 09 07 34.152 +20 20 58.85 U F51
2020-01-19 01:26:06 C 09 06 54.53 +20 25 16.7 17.0 q J43
2020-01-19 01:38:09 C 09 06 53.89 +20 25 19.9 17.1 q J43
2020-01-19 01:50:16 C 09 06 53.24 +20 25 23.5 17.0 q J43
2020-01-19 02:02:18 C 09 06 52.60 +20 25 27.0 17.0 q J43
2020-01-19 13:56:39 C 09 06 18.87 +20 29 05.9 V T05
2020-01-19 14:22:57 C 09 06 17.42 +20 29 13.1 V T05
2020-01-19 14:30:43 C 09 06 17.03 +20 29 15.3 V T05
2020-01-19 14:46:56 C 09 06 16.13 +20 29 19.8 V T05
2020-01-19 19:17:09 C 09 06 06.33 +20 30 29.8 V C40
2020-01-19 19:19:22 C 09 06 06.21 +20 30 30.6 V C40
2020-01-19 19:43:43 C 09 06 04.88 +20 30 38.8 V C40
2020-01-19 21:20:46 n 09 06 00.44 +20 31 05.5 V Z43
2020-01-19 21:35:11 n 09 05 59.67 +20 31 10.7 V Z43
2020-01-19 21:56:21 n 09 05 58.56 +20 31 17.1 V Z43
2020-01-19 22:00:25 C 09 05 57.33 +20 31 23.9 V C40
2020-01-19 22:14:56 n 09 05 57.57 +20 31 24.3 V Z43
2020-01-19 22:18:50 C 09 05 56.30 +20 31 29.8 V C40
2020-01-19 22:35:23 n 09 05 56.46 +20 31 31.0 V Z43
2020-01-20 03:51:14 C 09 05 38.80 +20 33 24.6 V G40
2020-01-20 04:05:31 C 09 05 37.96 +20 33 28.9 V G40
2020-01-20 04:20:35 C 09 05 37.07 +20 33 33.4 V G40
2020-01-20 04:36:09 C 09 05 36.17 +20 33 37.9 V G40
2020-01-20 04:50:49 C 09 05 35.32 +20 33 42.1 V G40
2020-01-20 21:08:02 C 09 04 46.85 +20 38 51.9 V K85
2020-01-20 21:44:02 C 09 04 44.70 +20 39 05.1 V K85
2020-01-21 01:12:30 C 09 04 31.79 +20 40 21.0 V A16
2020-01-21 01:33:35 C 09 04 30.47 +20 40 28.5 V A16
2020-01-21 01:54:40 C 09 04 29.10 +20 40 35.4 V A16
2020-01-21 02:15:46 C 09 04 27.75 +20 40 42.2 V A16
2020-01-21 10:33:59 C 09 04 00.80 +20 43 54.8 V T08
2020-01-21 10:39:39 C 09 04 00.41 +20 43 56.8 V T08
2020-01-21 10:49:04 C 09 03 59.76 +20 44 00.3 V T08
2020-01-21 11:03:32 C 09 03 58.77 +20 44 05.7 V T08
2020-01-21 20:36:00 C 09 03 26.02 +20 47 09.1 V K85
2020-01-21 20:39:06 C 09 03 25.81 +20 47 10.6 V K85
2020-01-21 20:58:43 C 09 03 24.42 +20 47 19.4 t G19
2020-01-21 21:15:54 n 09 03 23.65 +20 47 25.4 V Z43
2020-01-21 21:16:16 C 09 03 23.24 +20 47 26.0 t G19
2020-01-21 21:28:46 C 09 03 22.38 +20 47 31.1 t G19
2020-01-21 21:33:52 n 09 03 22.48 +20 47 32.3 V Z43
2020-01-21 21:42:43 n 09 03 21.90 +20 47 36.3 V Z43
2020-01-21 21:54:55 n 09 03 21.10 +20 47 40.9 V Z43
2020-01-21 22:03:21 n 09 03 20.53 +20 47 44.3 V Z43
2020-01-21 22:03:27 C 09 03 20.26 +20 47 43.9 V K85
2020-01-21 22:39:44 C 09 03 17.81 +20 47 58.0 V K85
2020-01-22 08:44:06 C 09 02 38.04 +20 51 52.8 u H21
2020-01-22 08:46:03 C 09 02 37.89 +20 51 53.5 u H21
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)