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
2010-05-16 04:54:37 S 10 27 54.39 +20 14 46.2 L C51
2010-05-16 08:05:08 S 10 28 04.16 +20 13 11.8 L C51
2010-05-16 11:15:39 S 10 28 14.16 +20 11 37.1 L C51
2010-05-16 12:51:00 S 10 28 19.07 +20 10 50.1 L C51
2010-05-16 14:26:10 S 10 28 24.07 +20 10 03.7 L C51
2010-05-16 17:36:41 S 10 28 33.89 +20 08 27.9 L C51
2010-05-16 20:47:12 S 10 28 44.045 +20 06 54.11 L C51
2010-05-17 01:32:53 S 10 28 58.72 +20 04 31.2 L C51
2010-05-17 07:53:55 S 10 29 18.871 +20 01 20.46 L C51
2010-05-17 11:04:26 S 10 29 28.934 +19 59 45.38 L C51
2010-12-24 12:20:39 C 12 12 15.44 -04 18 59.1 o 691
2010-12-24 12:38:46 C 12 12 15.93 -04 18 52.4 o 691
2010-12-24 12:57:15 C 12 12 16.32 -04 18 47.3 o 691
2010-12-25 12:40:01 S 12 13 03.533 -04 10 58.37 L C51
2010-12-25 15:50:32 S 12 13 09.718 -04 09 56.70 L C51
2010-12-25 19:01:03 S 12 13 15.818 -04 08 54.49 L C51
2010-12-26 01:21:55 S 12 13 28.195 -04 06 49.21 L C51
2010-12-26 04:32:15 S 12 13 34.289 -04 05 46.39 L C51
2011-01-30 10:19:00 C 12 09 38.94 +05 31 03.4 19.8 c 704
2011-01-30 10:38:08 C 12 09 37.75 +05 31 24.7 19.9 c 704
2011-01-30 10:57:54 C 12 09 36.43 +05 31 47.9 20.0 c 704
2011-01-30 11:18:14 C 12 09 34.98 +05 32 11.2 19.7 c 704
2011-01-30 11:37:43 C 12 09 33.73 +05 32 34.2 20.2 c 704
2011-02-08 23:36:39 C 11 51 27.51 +10 30 47.3 o 046
2011-02-08 23:42:35 C 11 51 26.81 +10 30 55.3 o 046
2011-02-08 23:44:30 C 11 51 26.64 +10 30 58.1 o 046
2011-02-08 23:48:25 C 11 51 26.28 +10 31 04.5 o 046
2011-02-08 23:52:17 C 11 51 25.81 +10 31 10.2 o 046
2011-02-08 23:54:14 C 11 51 25.66 +10 31 13.0 o 046
2011-02-10 11:13:57 C 11 47 48.44 +11 21 46.3 r 703
2011-02-10 11:27:04 C 11 47 47.00 +11 22 04.5 r 703
2011-02-10 11:40:05 C 11 47 45.60 +11 22 23.0 r 703
2011-02-10 11:53:08 C 11 47 44.08 +11 22 41.9 r 703
2011-02-12 07:10:52 C 11 43 05.21 +12 25 16.8 18.3 c 704
2011-02-12 07:30:20 C 11 43 02.89 +12 25 45.2 19.1 c 704
2011-02-12 07:50:26 C 11 43 00.56 +12 26 15.6 19.4 c 704
2011-02-12 08:10:07 C 11 42 58.20 +12 26 45.0 19.5 c 704
2011-02-28 21:56:32 C 10 51 24.44 +21 21 06.9 r J75
2011-02-28 22:10:44 C 10 51 22.42 +21 21 23.0 r J75
2011-02-28 22:24:55 C 10 51 20.47 +21 21 38.3 r J75
2011-03-02 05:26:38 C 10 47 11.14 +21 54 31.2 r 703
2011-03-02 05:36:31 C 10 47 09.67 +21 54 40.6 r 703
2011-03-02 05:46:30 C 10 47 08.34 +21 54 51.3 r 703
2011-03-02 05:56:27 C 10 47 07.00 +21 55 01.8 r 703
2011-03-02 21:49:07 C 10 45 00.84 +22 10 56.8 u A13
2011-03-02 22:16:29 C 10 44 57.09 +22 11 24.5 u A13
2011-03-05 05:25:23 C 10 37 49.11 +23 03 17.5 r 703
2011-03-05 05:37:02 C 10 37 47.53 +23 03 28.3 r 703
2011-03-05 05:48:32 C 10 37 46.02 +23 03 38.1 r 703
2011-03-05 06:00:10 C 10 37 44.43 +23 03 48.6 r 703
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)