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
2016-02-03 07:07:06 C 06 42 27.84 +25 48 48.5 q H45
2016-02-03 13:19:31 C 06 42 36.49 +25 54 21.2 q D29
2016-02-03 13:42:25 C 06 42 36.57 +25 54 41.1 q D29
2016-02-03 14:05:20 C 06 42 36.62 +25 55 00.9 q D29
2016-02-04 23:11:28 C 06 43 11.34 +26 21 44.0 q 160
2016-02-04 23:14:03 C 06 43 11.39 +26 21 46.1 q 160
2016-02-04 23:16:40 C 06 43 11.41 +26 21 47.9 q 160
2016-02-05 23:25:14 C 06 43 41.50 +26 39 34.8 q 160
2016-02-05 23:28:13 C 06 43 41.56 +26 39 36.8 q 160
2016-02-05 23:31:10 C 06 43 41.59 +26 39 39.0 q 160
2016-02-10 17:47:43 C 06 46 49.19 +27 46 35.9 20.5 q L51
2016-02-10 18:12:31 C 06 46 49.79 +27 46 48.7 20.5 q L51
2016-02-10 18:37:35 C 06 46 50.29 +27 47 00.0 20.5 q L51
2016-02-24 07:11:41 C 07 00 49.02 +29 17 24.8 o 695
2016-02-24 07:23:51 C 07 00 49.64 +29 17 26.6 o 695
2016-02-24 07:36:01 C 07 00 50.20 +29 17 27.0 o 695
2016-02-25 04:29:47 C 07 01 58.08 +29 20 01.4 o 691
2016-02-25 04:36:41 C 07 01 58.40 +29 20 02.1 o 691
2016-02-25 04:43:36 C 07 01 58.72 +29 20 02.8 o 691
2016-02-26 04:12:24 C 07 03 15.36 +29 22 29.9 o 691
2016-02-26 04:19:03 C 07 03 15.67 +29 22 30.0 o 691
2016-02-26 04:25:42 C 07 03 15.98 +29 22 30.7 o 691
2016-03-01 04:25:03 C 07 08 44.12 +29 28 52.3 o 691
2016-03-01 04:32:02 C 07 08 44.46 +29 28 52.8 o 691
2016-03-01 04:39:00 C 07 08 44.83 +29 28 53.0 o 691
2016-03-02 06:08:01 C 07 10 15.45 +29 29 38.6 o 291
2016-03-02 06:41:26 C 07 10 17.31 +29 29 38.6 o 291
2016-03-02 07:26:38 C 07 10 19.78 +29 29 38.3 o 291
2016-03-31 03:07:01 C 07 59 50.18 +28 08 04.3 o 691
2016-03-31 03:14:36 C 07 59 50.70 +28 08 03.1 o 691
2016-03-31 03:22:10 C 07 59 51.40 +28 08 01.4 o 691
2016-04-18 05:56:09 C 08 35 53.76 +26 03 03.0 o 291
2016-04-18 06:23:31 C 08 35 56.14 +26 02 54.7 o 291
2016-04-18 06:50:59 C 08 35 58.37 +26 02 43.6 o 291
2016-05-21 04:12:20 C 09 45 29.77 +20 26 03.4 o 695
2016-05-21 04:15:27 C 09 45 30.01 +20 26 01.5 o 695
2016-05-21 04:18:09 C 09 45 30.25 +20 26 00.5 o 695
2016-05-21 04:20:53 C 09 45 30.48 +20 25 58.8 o 695
2017-01-06 02:12:08 C 01 10 01.88 -24 56 12.5 o 926
2017-01-06 02:14:13 C 01 10 03.54 -24 55 56.1 o 926
2017-01-06 02:16:16 C 01 10 05.19 -24 55 39.7 o 926
2017-01-07 02:35:29 C 01 29 59.61 -21 36 49.3 o 926
2017-01-07 02:37:37 C 01 30 01.25 -21 36 31.3 o 926
2017-01-07 02:39:46 C 01 30 02.90 -21 36 13.3 o 926
2017-01-08 23:47:59 C 02 04 34.15 -15 08 26.3 q W25
2017-01-08 23:57:55 C 02 04 41.02 -15 07 00.0 q W25
2017-01-09 00:09:27 C 02 04 49.03 -15 05 19.7 q W25
2017-01-10 20:59:53 S 02 35 12.785 -08 43 20.24 L C51
2017-01-10 22:34:19 S 02 36 12.526 -08 30 27.25 L C51
2017-01-12 19:39:19 C 03 02 39.99 -02 42 18.5 q Z45
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)