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
2011-10-19 06:46:10 C 23 45 02.88 +00 52 53.1 r G96
2011-10-26 02:43:41 C 23 39 19.80 +00 11 11.9 r G96
2011-10-26 03:01:03 C 23 39 19.26 +00 11 08.3 r G96
2011-10-26 03:06:08 C 23 39 19.15 +00 11 07.7 r G96
2011-10-26 03:14:57 C 23 39 18.82 +00 11 05.4 r G96
2013-01-02 12:42:03 C 14 06 10.76 -12 34 05.7 r G96
2013-01-02 12:51:21 C 14 06 13.24 -12 34 21.1 r G96
2013-01-02 13:00:51 C 14 06 15.84 -12 34 35.0 r G96
2013-01-02 13:10:17 C 14 06 18.43 -12 34 50.2 r G96
2013-09-14 08:25:40 C 03 01 06.60 +19 18 55.9 u H21
2013-09-14 08:52:20 C 03 01 05.85 +19 18 54.5 u H21
2013-09-14 09:20:34 C 03 01 05.07 +19 18 52.8 u H21
2013-09-17 08:35:49 C 02 59 00.78 +19 14 18.4 q G96
2013-09-17 08:48:59 C 02 59 00.25 +19 14 16.4 q G96
2013-09-17 09:02:07 C 02 58 59.85 +19 14 17.1 q G96
2013-09-17 09:15:20 C 02 58 59.34 +19 14 14.9 q G96
2013-10-25 07:31:50 C 02 04 19.72 +15 32 03.0 q G96
2013-10-25 07:39:23 C 02 04 19.17 +15 31 59.9 q G96
2013-10-25 07:46:52 C 02 04 18.59 +15 31 56.9 q G96
2013-10-25 07:54:21 C 02 04 18.04 +15 31 54.4 q G96
2015-10-19 08:40:36 C 04 03 46.24 +23 26 27.5 u H21
2015-10-19 08:56:37 C 04 03 45.47 +23 26 25.5 u H21
2015-10-19 09:20:07 C 04 03 44.35 +23 26 23.3 u H21
2017-12-22 11:18:51 C 04 19 15.881 +24 29 39.98 U F51
2017-12-22 11:36:39 C 04 19 14.352 +24 29 35.57 U F51
2017-12-22 11:54:29 C 04 19 12.841 +24 29 31.25 U F51
2017-12-26 04:11:32 C 04 12 08.13 +24 08 43.8 U G96
2017-12-26 04:18:54 C 04 12 07.54 +24 08 42.8 U G96
2017-12-26 04:26:17 C 04 12 06.99 +24 08 39.7 U G96
2017-12-26 04:33:37 C 04 12 06.38 +24 08 38.4 U G96
2018-09-06 07:40:33 C 19 17 51.99 -21 46 10.8 U T08
2018-09-06 07:51:52 C 19 17 55.00 -21 46 02.7 U T08
2018-09-06 08:03:10 C 19 17 58.02 -21 45 54.2 U T08
2018-09-06 08:14:28 C 19 18 01.02 -21 45 46.2 U T08
2018-09-08 07:44:08 C 19 30 15.78 -21 12 34.1 U T05
2018-09-08 07:55:24 C 19 30 18.41 -21 12 25.6 U T05
2018-09-08 08:06:42 C 19 30 21.05 -21 12 17.8 U T05
2018-09-08 08:18:02 C 19 30 23.66 -21 12 10.2 U T05
2018-09-09 11:21:12 C 19 36 43.26 -20 53 48.9 q D29
2018-09-09 11:44:07 C 19 36 48.24 -20 53 33.6 q D29
2018-09-09 12:07:01 C 19 36 53.23 -20 53 18.3 q D29
2018-09-16 07:57:28 C 20 07 32.80 -19 11 39.7 U T05
2018-09-16 08:12:13 C 20 07 35.07 -19 11 30.7 U T05
2018-09-16 08:16:11 C 20 07 35.64 -19 11 28.1 U T05
2018-09-16 08:25:32 C 20 07 37.07 -19 11 23.3 U T05
2018-09-16 08:30:13 C 20 07 37.75 -19 11 20.1 U T05
2018-09-16 08:40:18 C 20 07 39.29 -19 11 14.6 U T05
2018-09-16 08:44:16 C 20 07 39.91 -19 11 12.1 U T05
2018-09-16 08:58:20 C 20 07 41.98 -19 11 03.9 U T05
2018-09-30 05:54:35 C 20 48 25.195 -16 29 15.52 U F52
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)