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
1999-05-15 10:29:41 C 15 23 08.34 +24 44 04.3 18.7 a 704
1999-05-15 14:53:21 C 15 22 23.80 +24 56 49.8 426
1999-05-15 14:57:12 C 15 22 23.03 +24 56 59.9 426
1999-05-15 15:02:04 C 15 22 22.07 +24 57 12.7 426
1999-05-16 23:41:27 C 15 16 14.30 +26 23 32.8 c 118
1999-05-16 23:43:12 C 15 16 13.93 +26 23 37.3 c 118
1999-05-16 23:46:13 C 15 16 13.31 +26 23 45.3 c 118
1999-05-16 23:52:39 C 15 16 12.19 +26 24 03.1 d 046
1999-05-16 23:54:15 C 15 16 11.85 +26 24 07.7 d 046
1999-05-16 23:55:51 C 15 16 11.53 +26 24 12.2 d 046
1999-05-16 23:57:34 C 15 16 11.15 +26 24 17.4 d 046
1999-05-19 00:01:08 C 15 06 14.63 +28 35 50.8 c 118
1999-05-19 00:06:10 C 15 06 13.50 +28 36 04.4 c 118
1999-05-19 00:09:06 C 15 06 12.79 +28 36 12.3 c 118
1999-05-19 20:24:00 C 15 01 43.99 +29 32 30.6 z 610
1999-05-19 20:32:00 C 15 01 41.98 +29 32 52.9 z 610
1999-05-19 20:39:59 C 15 01 39.98 +29 33 15.1 z 610
1999-05-19 20:48:00 C 15 01 37.97 +29 33 37.3 z 610
1999-05-19 20:55:59 C 15 01 35.97 +29 33 59.6 z 610
1999-05-23 08:57:27 C 14 40 14.39 +33 29 34.3 658
1999-05-23 09:01:24 C 14 40 13.23 +33 29 45.5 658
1999-05-23 09:06:55 C 14 40 11.59 +33 30 00.6 658
1999-05-23 19:57:46 C 14 37 11.22 +34 00 29.7 c 118
1999-05-23 20:04:14 C 14 37 09.30 +34 00 48.3 c 118
1999-05-23 20:27:29 C 14 37 02.76 +34 01 55.8 z 587
1999-05-23 20:31:05 C 14 37 01.75 +34 02 05.8 z 587
1999-05-23 20:32:01 C 14 37 01.34 +34 02 11.7 z 610
1999-05-23 20:35:53 C 14 37 00.25 +34 02 21.3 z 587
1999-05-23 20:37:01 C 14 36 59.81 +34 02 25.9 z 610
1999-05-23 20:42:00 C 14 36 58.28 +34 02 40.1 z 610
1999-05-23 20:47:00 C 14 36 56.75 +34 02 54.3 z 610
1999-05-23 20:52:01 C 14 36 55.22 +34 03 08.4 z 610
1999-05-24 07:24:15 C 14 33 50.42 +34 32 34.4 658
1999-05-24 07:26:41 C 14 33 49.64 +34 32 40.8 658
1999-05-24 07:29:09 C 14 33 48.85 +34 32 48.2 658
1999-05-25 04:44:16 C 14 27 27.71 +35 32 21.8 688
1999-05-25 04:45:30 C 14 27 27.24 +35 32 25.3 688
1999-05-25 04:46:45 C 14 27 26.98 +35 32 28.5 688
1999-05-25 04:53:45 C 14 27 24.65 +35 32 49.9 688
1999-05-25 04:55:23 C 14 27 23.95 +35 32 53.8 688
1999-05-26 06:47:05 C 14 19 10.97 +36 44 07.1 658
1999-05-26 06:51:38 C 14 19 09.27 +36 44 18.4 658
1999-05-26 06:56:49 C 14 19 07.68 +36 44 33.2 658
1999-06-03 22:33:22 C 12 54 40.68 +45 03 46.6 c 118
1999-06-03 22:38:10 C 12 54 38.31 +45 03 55.3 c 118
2000-03-13 18:05:33 C 15 34 05.06 -05 37 27.1 413
2000-03-13 18:11:08 C 15 34 05.23 -05 37 24.4 413
2000-03-13 18:17:11 C 15 34 05.46 -05 37 21.1 413
2000-04-03 02:19:37 C 15 43 19.46 +00 10 06.9 c 046
2000-04-03 02:22:24 C 15 43 19.42 +00 10 11.1 c 046
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)