23187 (2000 PN9)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5893652209 ± 4.57e-09
Semi-major axis (a)1.8469477145 AU ± 3.08e-10
Inclination (i)51.33590425° ± 2.99e-06
Long. of Asc. Node (Ω)164.28086830° ± 2.07e-07
Arg. of Perihelion (ω)293.54110100° ± 1.16e-06
Mean Anomaly (M)324.53859175° ± 7.01e-07
Mean Motion (n)0.3926723979°/day ± 9.83e-11
Perihelion dist (q)0.75842097 AU ± 8.45e-09
Aphelion dist (Q)2.93547446 AU ± 8.46e-09
Orbital Period2.51004728 yr ± 6.28e-10
Physical Parameters
H (abs. magnitude)16.05
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.292″
Uncertainty0
Orbit TypeApollo
MOID0.014129 AU
Observations Used2223
Radar Obs Used8
Gaia Obs Used118
Oppositions16
Arc Total1990-2025
First Observation Used1990-08-02
Last Observation Used2025-11-12
Observations (2307)
Date Type RA Dec Mag Band Observatory
2006-03-07 11:21:12 C 02 29 05.26 +67 33 46.1 m 300
2006-03-07 11:23:00 C 02 29 11.86 +67 35 15.4 m 300
2006-03-07 11:23:20 C 02 29 12.93 +67 35 33.5 m 300
2006-03-07 11:24:20 C 02 29 16.79 +67 36 22.4 m 300
2006-03-07 11:24:32 C 02 29 17.51 +67 36 32.3 m 300
2006-03-07 11:26:12 C 02 29 23.61 +67 37 54.6 m 300
2006-03-07 11:27:51 C 02 29 29.69 +67 39 16.2 m 300
2006-03-07 11:29:25 C 02 29 35.51 +67 40 34.7 m 300
2006-03-07 11:31:00 C 02 29 41.36 +67 41 52.8 m 300
2006-03-07 11:32:35 C 02 29 47.19 +67 43 10.8 m 300
2006-03-07 14:48:42 C 02 42 52.59 +70 13 23.1 m 349
2006-03-07 14:48:58 C 02 42 53.66 +70 13 34.0 m 349
2006-03-07 14:50:34 C 02 43 00.61 +70 14 43.6 m 349
2006-03-07 14:50:52 C 02 43 01.89 +70 14 55.6 m 349
2006-03-08 21:15:29 C 06 02 17.37 +81 09 20.4 o 084
2006-03-08 21:15:40 C 06 02 18.80 +81 09 21.1 o 084
2006-03-08 21:15:52 C 06 02 20.45 +81 09 21.9 o 084
2006-03-08 21:16:03 C 06 02 21.85 +81 09 23.2 o 084
2006-03-08 21:17:30 C 06 02 33.21 +81 09 29.8 o 084
2006-03-08 21:17:41 C 06 02 34.73 +81 09 30.5 o 084
2006-03-08 21:17:53 C 06 02 36.08 +81 09 31.4 o 084
2006-03-08 21:18:16 C 06 02 39.02 +81 09 33.2 o 084
2006-03-08 21:18:27 C 06 02 40.58 +81 09 34.2 o 084
2006-03-09 02:04:41 C 06 39 18.37 +81 23 56.4 c A91
2006-03-09 02:07:23 C 06 39 38.68 +81 24 00.8 c A91
2006-03-09 02:10:46 C 06 40 03.96 +81 24 05.8 c A91
2006-03-09 02:13:32 C 06 40 24.45 +81 24 10.0 c A91
2006-03-09 21:52:43 C 08 33 28.41 +80 48 20.2 c J69
2006-03-09 21:54:57 C 08 33 37.33 +80 48 11.4 c J69
2006-03-09 21:57:12 C 08 33 46.30 +80 48 02.1 c J69
2006-03-09 21:59:30 C 08 33 55.29 +80 47 52.9 c J69
2006-03-09 22:01:44 C 08 34 04.31 +80 47 43.9 c J69
2006-03-09 22:03:59 C 08 34 13.17 +80 47 34.5 c J69
2006-03-09 22:06:15 C 08 34 22.20 +80 47 25.3 c J69
2006-03-09 22:08:30 C 08 34 31.01 +80 47 16.1 c J69
2006-03-09 22:12:59 C 08 34 48.72 +80 46 57.7 c J69
2006-03-10 20:51:13 C 09 39 26.85 +79 07 13.9 o J65
2006-03-10 20:51:46 C 09 39 27.81 +79 07 11.7 o J65
2006-03-10 20:52:23 C 09 39 28.79 +79 07 09.1 o J65
2006-03-10 20:52:41 C 09 39 29.47 +79 07 07.5 o J65
2006-03-10 20:52:52 C 09 39 29.79 +79 07 06.9 o J65
2006-03-10 20:53:14 C 09 39 30.50 +79 07 05.1 o J65
2006-03-10 20:54:38 C 09 39 33.04 +79 06 59.1 o J65
2006-03-10 20:54:45 C 09 39 33.29 +79 06 58.7 o J65
2006-03-10 20:54:58 C 09 39 33.76 +79 06 57.6 o J65
2006-03-10 20:55:10 C 09 39 34.24 +79 06 57.2 o J65
2006-03-10 20:55:32 C 09 39 34.54 +79 06 55.3 o J65
2006-03-10 22:23:57 C 09 42 14.35 +79 00 40.7 c J65
2006-03-10 22:24:05 C 09 42 14.59 +79 00 40.8 o J65
2006-03-10 22:24:11 C 09 42 14.74 +79 00 39.9 c J65
Radar Observations (8)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2001-03-03 09:45:00 -89603 3 Hz 2380 -1 -1
2001-03-03 11:20:00 62195926.9 10 us 8560 -14 -14
2001-03-03 11:20:00 -345113.8 5 Hz 8560 -14 -14
2001-03-04 10:29:00 67714671.08 2 us 2380 -1 -1
2001-03-05 10:04:00 76798876 2 us 2380 -1 -1
2006-03-07 17:10:00 34277451 20 us 8560 -14 -14
2006-03-07 19:00:00 35392186 3 us 8560 -14 -14
2006-03-07 20:10:00 36111353.6 1 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)