455176 (1999 VF22)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7386961156 ± 2.00e+00
Semi-major axis (a)1.3127164073 AU ± 3.00e+00
Inclination (i)3.91845766° ± 4.00e+00
Long. of Asc. Node (Ω)3.16834886° ± 5.00e+00
Arg. of Perihelion (ω)272.05421221° ± 6.00e+00
Mean Anomaly (M)145.62092062° ± 1.34e-06
Mean Motion (n)0.6553237474°/day ± 2.25e+00
Perihelion dist (q)0.34301790 AU ± 2.74e+00
Aphelion dist (Q)2.28241492 AU ± 5.84e+00
Orbital Period1.50402955 yr ± 5.16e+00
NGA Modelr2
A2-4.49029235e-06 AU/d²
Physical Parameters
H (abs. magnitude)20.71
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-27
RMS Residual0.336″
Uncertainty0
Orbit TypeApollo
MOID0.034192 AU
Observations Used499
Oppositions9
Arc Total1999-2025
First Observation Used1999-11-10
Last Observation Used2025-02-23
Observations (527)
Date Type RA Dec Mag Band Observatory
1999-11-13 09:51:31 C 00 52 43.91 +22 48 41.0 c 474
1999-11-13 12:42:51 C 00 52 59.28 +22 42 34.4 z 402
1999-11-13 12:44:40 C 00 52 59.50 +22 42 30.5 z 402
1999-11-13 12:46:29 C 00 52 59.61 +22 42 26.5 z 402
1999-11-13 12:48:18 C 00 52 59.76 +22 42 24.5 z 402
1999-11-13 17:09:52 C 00 53 25.54 +22 34 20.9 595
1999-11-13 17:14:02 C 00 53 25.78 +22 34 14.3 595
1999-11-13 17:17:51 C 00 53 26.01 +22 34 07.0 595
1999-11-13 20:35:59 C 00 53 42.19 +22 28 23.6 z 587
1999-11-13 20:46:39 C 00 53 42.94 +22 28 04.9 z 587
1999-11-14 01:39:57 C 00 54 10.28 +22 19 48.1 853
1999-11-14 01:42:52 C 00 54 10.51 +22 19 43.3 853
1999-11-14 01:47:32 C 00 54 10.88 +22 19 35.9 853
1999-11-14 03:58:26 C 00 54 20.51 +22 15 56.1 z 706
1999-11-14 04:13:56 C 00 54 21.63 +22 15 30.4 z 706
1999-11-14 04:24:09 C 00 54 22.35 +22 15 13.0 z 706
1999-12-03 05:16:06 C 01 17 32.08 +17 12 53.5 c 658
1999-12-03 05:21:46 C 01 17 32.28 +17 12 51.5 c 658
1999-12-03 05:28:50 C 01 17 32.50 +17 12 50.5 c 658
2008-12-01 03:58:52 C 00 07 05.41 +09 17 52.6 r G96
2008-12-01 04:08:20 C 00 07 06.99 +09 17 59.2 r G96
2008-12-01 04:17:49 C 00 07 08.47 +09 18 05.2 r G96
2008-12-01 04:27:13 C 00 07 09.98 +09 18 11.9 r G96
2008-12-01 05:12:35 C 00 07 17.47 +09 18 42.5 r G96
2008-12-01 05:23:31 C 00 07 19.23 +09 18 50.5 r G96
2008-12-01 05:34:31 C 00 07 21.00 +09 18 57.0 r G96
2008-12-01 05:45:28 C 00 07 22.76 +09 19 04.9 r G96
2008-12-02 03:16:47 C 00 10 53.68 +09 33 20.3 r G96
2008-12-02 03:27:05 C 00 10 55.30 +09 33 27.5 r G96
2008-12-02 03:37:24 C 00 10 56.92 +09 33 33.4 r G96
2008-12-02 03:47:40 C 00 10 58.51 +09 33 39.8 r G96
2008-12-02 06:05:10 C 00 11 19.71 +09 35 07.6 v H01
2008-12-02 06:10:29 C 00 11 20.53 +09 35 11.4 v H01
2008-12-02 06:15:56 C 00 11 21.37 +09 35 14.4 v H01
2008-12-02 06:21:24 C 00 11 22.27 +09 35 17.6 v H01
2009-12-17 12:00:57 C 11 12 21.24 +10 18 07.4 o H01
2009-12-17 12:14:09 C 11 12 22.20 +10 18 02.8 o H01
2009-12-17 12:27:22 C 11 12 23.17 +10 17 58.3 o H01
2009-12-17 12:41:33 C 11 12 24.18 +10 17 53.1 o H01
2010-01-17 09:39:35 C 12 25 23.37 +04 37 58.6 o 291
2010-01-17 09:46:00 C 12 25 24.20 +04 37 54.5 o 291
2010-02-07 10:48:17 S 15 07 53.92 -07 43 21.6 L C51
2010-02-07 13:58:48 S 15 09 59.47 -07 51 59.5 L C51
2010-02-07 15:34:09 S 15 11 02.79 -07 56 19.8 L C51
2010-02-07 18:44:40 S 15 13 10.25 -08 05 01.4 L C51
2012-12-17 11:15:09 C 11 04 42.75 +11 13 43.6 o 695
2012-12-17 11:24:12 C 11 04 43.32 +11 13 41.0 o 695
2012-12-17 11:33:15 C 11 04 43.94 +11 13 38.3 o 695
2012-12-18 11:32:18 C 11 06 19.85 +11 06 37.3 o 695
2012-12-18 11:41:21 C 11 06 20.50 +11 06 34.7 o 695
Radar Observations (6)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2019-02-19 10:00:00 52587665.73 4 us 2380 -1 -1
2019-02-19 11:00:00 52361395.63 0.5 us 2380 -1 -1
2019-02-20 11:00:00 49135549.75 0.5 us 2380 -1 -1
2022-02-20 05:30:00 46910416.65 2 us 8560 -14 -14
2022-02-22 07:20:00 13046.009 1 Hz 8560 -14 -14
2022-02-22 07:30:00 35782146.77 2 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)