IAA RAS IAA Minor Planet Database

438908 (2009 XO)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5433820901 ± 3.71e-09
Semi-major axis (a)1.8591254654 AU ± 2.64e-10
Inclination (i)0.34850554° ± 5.67e-07
Long. of Asc. Node (Ω)27.93296520° ± 4.48e-05
Arg. of Perihelion (ω)140.52573880° ± 4.48e-05
Mean Anomaly (M)83.10089395° ± 2.39e-07
Mean Motion (n)0.3888205647°/day ± 8.27e-11
Perihelion dist (q)0.84890998 AU ± 6.91e-09
Aphelion dist (Q)2.86934095 AU ± 6.92e-09
Orbital Period2.53491295 yr ± 5.39e-10
Physical Parameters
H (abs. magnitude)20.63
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.249″
Uncertainty0
Orbit TypeApollo
MOID0.001829 AU
Observations Used803
Radar Obs Used4
Oppositions7
Arc Total2009-2020
First Observation Used2009-12-09
Last Observation Used2020-07-12
Observations (840)
Date Type RA Dec Mag Band Observatory
2020-05-18 20:08:51 C 15 05 55.44 -19 46 05.9 – V C40
2020-05-18 20:10:59 C 15 05 55.88 -19 46 07.1 – V C40
2020-05-18 20:19:33 C 15 05 57.61 -19 46 12.5 – V C40
2020-05-18 20:21:41 C 15 05 58.02 -19 46 14.0 – V C40
2020-05-18 20:24:55 C 15 05 58.68 -19 46 15.5 – V C40
2020-05-18 20:29:22 C 15 05 59.57 -19 46 17.8 – V C40
2020-05-19 09:03:57 C 15 08 41.571 -19 53 09.47 – U F51
2020-05-19 09:20:25 C 15 08 44.478 -19 53 18.81 – U F51
2020-05-19 09:36:46 C 15 08 47.378 -19 53 27.82 – U F51
2020-05-19 09:53:06 C 15 08 50.251 -19 53 36.83 – U F51
2020-05-20 01:55:38 C 15 11 54.90 -20 01 54.4 – q G40
2020-05-20 01:56:59 C 15 11 55.13 -20 01 55.0 – q G40
2020-05-20 01:58:45 C 15 11 55.42 -20 01 55.6 – q G40
2020-05-20 02:00:04 C 15 11 55.62 -20 01 56.2 – q G40
2020-05-20 02:01:30 C 15 11 55.87 -20 01 56.8 – q G40
2020-05-20 02:03:57 C 15 11 56.25 -20 01 57.9 – q G40
2020-05-20 02:05:15 C 15 11 56.47 -20 01 58.4 – q G40
2020-05-20 02:06:40 C 15 11 56.70 -20 01 59.1 – q G40
2020-05-20 09:51:49 C 15 13 22.61 -20 05 28.6 – V T05
2020-05-20 10:40:39 C 15 13 29.94 -20 05 49.6 – V T05
2020-05-20 10:45:54 C 15 13 30.72 -20 05 51.9 – V T05
2020-05-20 10:53:49 C 15 13 31.92 -20 05 55.1 – V T05
2020-05-20 17:22:35 C 15 14 42.02 -20 09 01.4 – Y 190
2020-05-20 17:54:43 C 15 14 46.73 -20 09 15.2 – Y 190
2020-05-20 17:55:26 C 15 14 46.84 -20 09 16.0 – Y 190
2020-05-20 17:56:10 C 15 14 46.92 -20 09 16.2 – Y 190
2020-05-20 17:56:54 C 15 14 47.11 -20 09 16.5 – Y 190
2020-05-20 17:58:20 C 15 14 47.32 -20 09 17.2 – Y 190
2020-05-20 17:59:03 C 15 14 47.40 -20 09 17.2 – Y 190
2020-05-20 18:30:08 C 15 14 51.96 -20 09 30.9 – Y 190
2020-05-20 18:30:51 C 15 14 52.03 -20 09 31.1 – Y 190
2020-05-20 18:32:18 C 15 14 52.25 -20 09 32.0 – Y 190
2020-05-20 18:33:02 C 15 14 52.35 -20 09 32.2 – Y 190
2020-05-20 18:33:45 C 15 14 52.47 -20 09 32.7 – Y 190
2020-05-20 19:50:11 C 15 15 03.54 -20 10 03.2 – Y 190
2020-05-20 19:50:54 C 15 15 03.65 -20 10 03.5 – Y 190
2020-05-20 19:51:37 C 15 15 03.76 -20 10 03.6 – Y 190
2020-05-20 20:22:38 C 15 15 08.29 -20 10 15.5 – Y 190
2020-05-20 20:23:21 C 15 15 08.36 -20 10 15.8 – Y 190
2020-05-20 20:24:05 C 15 15 08.50 -20 10 16.0 – Y 190
2020-05-20 20:24:48 C 15 15 08.55 -20 10 15.9 – Y 190
2020-05-20 20:25:30 C 15 15 08.66 -20 10 16.4 – Y 190
2020-05-20 20:26:13 C 15 15 08.77 -20 10 16.7 – Y 190
2020-05-20 20:57:57 C 15 15 13.45 -20 10 27.8 – Y 190
2020-05-20 20:58:40 C 15 15 13.55 -20 10 28.6 – Y 190
2020-05-20 20:59:23 C 15 15 13.63 -20 10 29.1 – Y 190
2020-05-20 21:00:06 C 15 15 13.70 -20 10 29.0 – Y 190
2020-05-20 21:00:50 C 15 15 13.85 -20 10 29.0 – Y 190
2020-05-20 21:01:33 C 15 15 13.96 -20 10 29.2 – Y 190
2020-05-20 21:02:16 C 15 15 14.07 -20 10 29.7 – Y 190
Radar Observations (4)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2020-05-03 19:40:00 157212.9187 0.04 Hz 2380 -1 -1
2020-05-03 20:27:00 35122568.63 4 us 2380 -1 -1
2020-05-03 21:35:00 34858545.6 0.5 us 2380 -1 -1
2020-05-07 23:53:00 22876321.67 0.5 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)