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
2020-10-19 11:02:07 C 01 00 05.760 +09 15 26.77 U F51
2020-10-20 09:17:13 C 00 58 32.912 +09 05 41.44 U F51
2020-10-20 09:51:19 C 00 58 30.482 +09 05 26.56 U F51
2020-10-20 10:08:24 C 00 58 29.264 +09 05 19.12 U F51
2020-10-24 06:48:03 C 00 52 21.97 +08 26 03.6 V G96
2020-10-24 06:56:06 C 00 52 21.41 +08 25 59.2 V G96
2020-10-24 07:04:08 C 00 52 20.86 +08 25 55.8 V G96
2020-10-24 07:12:10 C 00 52 20.36 +08 25 52.8 V G96
2022-10-17 10:04:16 C 03 08 55.990 +20 27 29.45 V G96
2022-10-17 10:11:40 C 03 08 55.489 +20 27 27.25 V G96
2022-10-17 10:19:03 C 03 08 55.068 +20 27 26.06 V G96
2022-10-17 10:26:27 C 03 08 54.553 +20 27 25.09 V G96
2022-10-23 09:28:40 C 02 59 27.384 +19 53 54.23 U F52
2022-10-23 09:47:58 C 02 59 26.019 +19 53 48.99 U F52
2022-10-23 10:07:08 C 02 59 24.647 +19 53 44.10 U F52
2022-10-23 10:26:21 C 02 59 23.289 +19 53 39.35 U F52
2022-10-31 07:38:54 C 02 45 50.976 +18 59 32.13 U F51
2022-10-31 07:58:17 C 02 45 49.523 +18 59 25.87 U F51
2022-10-31 08:17:33 C 02 45 48.078 +18 59 20.32 U F51
2024-11-21 10:06:39 C 04 03 53.093 +23 49 46.88 V G96
2024-11-21 10:13:58 C 04 03 52.488 +23 49 45.08 V G96
2024-11-21 10:31:00 C 04 03 51.116 +23 49 41.74 V G96
2024-12-05 05:37:36 C 03 37 47.917 +22 29 38.47 V G96
2024-12-05 05:38:18 C 03 37 47.860 +22 29 38.65 V G96
2024-12-05 05:45:01 C 03 37 47.395 +22 29 36.28 V G96
2024-12-05 05:45:44 C 03 37 47.305 +22 29 36.06 V G96
2024-12-05 05:52:26 C 03 37 46.772 +22 29 34.55 V G96
2024-12-05 05:53:07 C 03 37 46.726 +22 29 34.12 V G96
2024-12-05 05:59:48 C 03 37 46.225 +22 29 32.82 V G96
2024-12-05 06:00:30 C 03 37 46.146 +22 29 32.50 V G96
2024-12-05 06:25:08 C 03 37 44.605 +22 29 26.88 X F51
2024-12-05 07:00:43 C 03 37 41.862 +22 29 17.20 X F51
2024-12-05 07:18:40 C 03 37 40.478 +22 29 12.49 X F51
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)