208023 (1999 AQ10)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2353495834 ± 1.32e-08
Semi-major axis (a)0.9338451861 AU ± 3.41e-10
Inclination (i)6.49946147° ± 1.32e-06
Long. of Asc. Node (Ω)326.95448717° ± 1.65e-06
Arg. of Perihelion (ω)300.60282540° ± 2.26e-06
Mean Anomaly (M)109.98114799° ± 2.97e-06
Mean Motion (n)1.0921944104°/day ± 5.98e-10
Perihelion dist (q)0.71406511 AU ± 1.23e-08
Aphelion dist (Q)1.15362526 AU ± 1.23e-08
Orbital Period0.90242751 yr ± 4.94e-10
Physical Parameters
H (abs. magnitude)20.53
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.337″
Uncertainty0
Orbit TypeAten
MOID0.005968 AU
Observations Used445
Radar Obs Used3
Oppositions1
Arc Total1999-2026
First Observation Used1999-01-14
Last Observation Used2026-01-14
Observations (462)
Date Type RA Dec Mag Band Observatory
1999-02-07 20:52:16 C 05 51 40.45 +38 49 20.3 z 587
1999-02-07 20:55:38 C 05 51 39.22 +38 49 11.7 z 587
1999-02-07 21:01:10 C 05 51 37.13 +38 48 58.1 z 587
1999-02-08 13:36:29 C 05 45 51.50 +38 06 18.8 z 402
1999-02-08 13:38:59 C 05 45 50.86 +38 06 16.0 360
1999-02-08 13:40:08 C 05 45 50.22 +38 06 09.0 z 402
1999-02-08 13:41:57 C 05 45 49.54 +38 06 04.2 z 402
1999-02-08 13:41:59 C 05 45 49.76 +38 06 07.8 360
1999-02-08 13:45:00 C 05 45 48.70 +38 05 59.5 360
1999-02-14 19:43:41 C 05 00 51.24 +30 54 25.3 z 587
1999-02-14 19:47:55 C 05 00 50.09 +30 54 12.3 z 587
1999-02-15 04:30:46 C 04 58 35.59 +30 27 40.6 a 658
1999-02-15 04:32:20 C 04 58 35.10 +30 27 35.9 a 658
1999-02-15 04:34:06 C 04 58 34.68 +30 27 30.5 a 658
1999-02-15 17:54:49 C 04 55 14.52 +29 46 53.4 046
1999-02-15 17:56:21 C 04 55 14.13 +29 46 49.1 046
1999-02-15 17:57:35 C 04 55 13.76 +29 46 45.0 046
1999-02-15 17:58:56 C 04 55 13.46 +29 46 40.7 046
1999-02-16 10:53:04 C 04 51 03.97 +28 55 23.4 z 402
1999-02-16 10:55:24 C 04 51 03.29 +28 55 16.1 z 402
1999-02-16 10:57:43 C 04 51 02.79 +28 55 09.4 z 402
1999-02-17 18:56:17 C 04 43 34.74 +27 17 17.0 z 071
1999-02-17 18:59:01 C 04 43 34.09 +27 17 08.6 z 071
1999-02-17 19:01:47 C 04 43 33.40 +27 17 00.1 z 071
1999-02-18 21:00:35 C 04 37 49.01 +25 57 41.5 z 587
1999-02-18 21:04:59 C 04 37 48.03 +25 57 28.1 z 587
1999-02-18 22:18:29 C 04 37 31.26 +25 53 39.3 104
1999-02-18 22:21:10 C 04 37 30.69 +25 53 30.9 104
1999-02-18 22:23:50 C 04 37 30.03 +25 53 22.6 104
1999-02-18 22:26:30 C 04 37 29.42 +25 53 14.8 104
1999-02-19 11:19:49 C 04 34 47.46 +25 14 32.8 z 402
1999-02-19 11:21:38 C 04 34 47.07 +25 14 27.4 z 402
1999-02-19 11:23:28 C 04 34 46.65 +25 14 21.4 z 402
1999-02-25 03:45:35 C 04 09 19.33 +18 31 59.0 a 658
1999-02-25 03:53:53 C 04 09 17.80 +18 31 34.6 a 658
1999-02-25 03:58:14 C 04 09 17.06 +18 31 22.6 a 658
1999-02-25 19:26:40 C 04 06 42.33 +17 47 29.3 z 587
1999-02-25 19:37:30 C 04 06 40.38 +17 46 58.9 z 587
2006-12-12 01:37:59 C 22 37 24.01 +04 13 05.5 d 291
2006-12-12 01:43:27 C 22 37 25.13 +04 13 10.1 d 291
2006-12-12 01:49:02 C 22 37 25.91 +04 13 17.2 d 291
2007-10-18 10:44:21 C 08 21 10.33 +68 26 29.1 o 696
2007-10-18 10:45:35 C 08 21 09.91 +68 26 32.2 o 696
2007-10-18 10:46:51 C 08 21 09.48 +68 26 35.5 o 696
2007-10-19 23:45:26 C 08 08 22.07 +69 45 00.8 o J65
2007-10-20 00:57:01 C 08 07 55.74 +69 47 40.4 o J65
2007-10-20 20:39:56 C 08 00 18.49 +70 27 34.8 o J65
2007-10-28 07:47:11 C 06 21 49.40 +75 06 59.1 o H55
2007-10-28 07:52:32 C 06 21 45.11 +75 07 03.8 o H55
2007-10-28 07:57:52 C 06 21 41.09 +75 07 09.8 o H55
Radar Observations (6)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2009-02-10 07:10:00 41322198.56 5 us 8560 -14 -14
2009-02-10.298611 4132219856 5000 us 8560 253 253
2009-02-12 06:30:00 32324993.77 2 us 2380 -1 -1
2009-02-12.270833 3232499377 2000 us 2380 251 251
2009-02-13 09:50:00 27299034.53 2 us 8560 -14 -14
2009-02-13.409722 2729903453 2000 us 8560 253 253
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)