85990 (1999 JV6)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3115183438 ± 2.00e+00
Semi-major axis (a)1.0090700360 AU ± 3.00e+00
Inclination (i)5.36059928° ± 4.00e+00
Long. of Asc. Node (Ω)124.20027455° ± 5.00e+00
Arg. of Perihelion (ω)235.70663086° ± 6.00e+00
Mean Anomaly (M)341.16265472° ± 1.80e-05
Mean Motion (n)0.9723672228°/day ± 4.34e+00
Perihelion dist (q)0.69472621 AU ± 2.89e+00
Aphelion dist (Q)1.32341386 AU ± 4.42e+00
Orbital Period1.01363586 yr ± 4.52e+00
NGA Modelr2
A2-4.84617133e-06 AU/d²
Physical Parameters
H (abs. magnitude)20.27
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-27
RMS Residual0.477″
Uncertainty0
Orbit TypeApollo
MOID0.031327 AU
Observations Used1067
Oppositions1
Arc Total1999-2024
First Observation Used1999-05-13
Last Observation Used2024-01-28
Observations (1193)
Date Type RA Dec Mag Band Observatory
2008-03-10 10:07:00 C 12 16 13.26 +15 17 26.4 r 703
2008-03-10 10:19:06 C 12 16 11.78 +15 17 40.8 r 703
2008-03-10 10:31:17 C 12 16 10.23 +15 17 55.3 r 703
2008-12-30 12:15:19 C 12 30 00.07 -02 55 39.9 r G96
2008-12-30 12:25:47 C 12 30 00.57 -02 55 38.9 r G96
2008-12-30 12:35:59 C 12 30 01.11 -02 55 37.9 r G96
2008-12-30 12:46:15 C 12 30 01.65 -02 55 37.4 r G96
2008-12-31 12:34:03 C 12 31 18.67 -02 53 36.9 o 691
2008-12-31 12:52:51 C 12 31 19.59 -02 53 35.0 o 691
2008-12-31 13:11:19 C 12 31 20.50 -02 53 33.3 o 691
2009-02-13 12:09:41 C 12 40 56.93 +06 17 01.2 o 691
2009-02-13 12:35:42 C 12 40 55.34 +06 17 29.7 o 691
2009-02-20 10:41:40 C 12 29 14.46 +09 33 56.8 r 703
2009-02-20 10:51:42 C 12 29 13.56 +09 34 08.8 r 703
2009-02-20 11:02:00 C 12 29 12.55 +09 34 22.0 r 703
2009-02-20 11:12:19 C 12 29 11.65 +09 34 34.1 r 703
2009-03-03 08:01:13 C 12 02 18.74 +15 13 38.1 r 703
2009-03-03 08:15:57 C 12 02 16.90 +15 13 57.3 r 703
2009-03-03 08:30:46 C 12 02 15.00 +15 14 14.8 r 703
2009-03-03 08:45:38 C 12 02 13.20 +15 14 34.9 r 703
2009-03-08 06:05:35 C 11 47 46.93 +17 39 30.9 r G96
2009-03-08 06:16:11 C 11 47 45.52 +17 39 43.7 r G96
2009-03-08 06:37:27 C 11 47 42.72 +17 40 09.1 r G96
2009-03-28 03:59:19 C 10 52 16.89 +23 54 56.7 r 703
2009-03-28 04:07:15 C 10 52 16.06 +23 55 00.3 r 703
2009-03-28 04:14:59 C 10 52 15.49 +23 55 04.1 r 703
2009-03-28 04:22:54 C 10 52 14.52 +23 55 05.3 r 703
2009-12-20 11:42:32 C 12 11 56.47 -03 40 33.1 r G96
2009-12-20 11:51:34 C 12 11 56.94 -03 40 32.3 r G96
2009-12-20 12:00:50 C 12 11 57.37 -03 40 31.5 r G96
2009-12-20 12:10:03 C 12 11 57.87 -03 40 30.8 r G96
2010-02-15 07:58:27 C 12 10 41.97 +10 16 23.8 19.2 c 704
2010-02-15 08:16:34 C 12 10 40.24 +10 16 47.2 19.8 c 704
2010-02-15 09:09:26 C 12 10 35.01 +10 17 58.7 19.7 c 704
2010-03-04 10:45:09 C 11 22 42.96 +19 17 24.9 r 703
2010-03-04 10:54:48 C 11 22 41.66 +19 17 36.2 r 703
2010-03-04 11:04:20 C 11 22 40.29 +19 17 45.9 r 703
2010-03-04 11:13:58 C 11 22 39.00 +19 17 57.9 r 703
2010-03-05 22:05:19 C 11 18 06.97 +19 57 10.7 u B88
2010-03-05 22:33:24 C 11 18 03.20 +19 57 42.9 u B88
2010-03-05 23:01:32 C 11 17 59.36 +19 58 13.6 u B88
2010-03-12 07:27:28 C 10 58 32.42 +22 25 14.5 19.8 c 704
2010-03-12 08:20:36 C 10 58 25.55 +22 25 58.2 19.4 c 704
2010-03-12 08:36:44 C 10 58 23.45 +22 26 10.8 19.3 c 704
2010-03-12 08:53:05 C 10 58 21.40 +22 26 24.4 19.3 c 704
2010-03-19 07:38:20 C 10 39 35.82 +24 16 12.4 r 703
2010-03-19 07:49:16 C 10 39 34.77 +24 16 17.5 r 703
2010-03-19 08:00:10 C 10 39 33.48 +24 16 24.4 r 703
2010-05-15 22:33:35 S 10 27 34.82 +20 17 53.2 L C51
2010-05-16 01:44:06 S 10 27 44.59 +20 16 19.7 L C51
Radar Observations (15)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2015-01-14 06:27:00 91962819.52 4 us 2380 -1 -1
2015-01-15 07:04:00 94147181.77 0.5 us 2380 -1 -1
2015-01-17 05:45:00 98914932.02 0.5 us 2380 -1 -1
2015-01-28 05:25:00 139146893.28 1 us 2380 -1 -1
2016-01-08 06:50:00 34618571.39 3 us 8560 -14 -14
2016-01-08 09:00:00 34800280.71 0.625 us 8560 -14 -14
2016-01-09 06:10:00 36899171.6 0.625 us 8560 -14 -14
2016-01-10 04:30:00 39672908.95 1 us 8560 -14 -14
2016-01-14 04:20:00 55840499.94 1 us 2380 -1 -1
2016-01-17 02:38:00 70275038.14 0.5 us 2380 -1 -1
2016-01-19 03:34:00 81040626.98 0.5 us 2380 -1 -1
2017-01-07 01:00:00 68905392.263 10 us 8560 -14 -14
2017-01-08 00:50:00 69117456.6 2 us 8560 -14 -14
2017-01-09 01:00:00 69961665.946 1 us 8560 -14 -14
2017-01-16 00:00:00 90245342.3 0.5 us 2380 -1 -1
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)