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
2018-02-19 14:52:52 S 05 30 52.52 +26 34 22.7 L C51
2018-02-19 18:01:22 S 05 31 20.58 +26 35 53.1 L C51
2018-02-20 03:26:09 S 05 32 44.26 +26 40 22.1 L C51
2018-02-20 06:35:22 S 05 33 12.15 +26 41 47.6 L C51
2018-02-20 09:43:52 S 05 33 39.79 +26 43 15.1 L C51
2018-02-20 12:52:23 S 05 34 07.51 +26 44 41.7 L C51
2018-02-20 22:17:53 S 05 35 30.20 +26 48 53.6 L C51
2018-02-27 06:39:31 S 05 56 40.46 +27 42 27.8 L C51
2018-02-27 09:48:01 S 05 57 05.42 +27 43 19.1 L C51
2018-02-27 19:13:31 S 05 58 20.24 +27 45 48.3 L C51
2018-02-28 01:30:31 S 05 59 09.95 +27 47 23.1 L C51
2018-02-28 12:30:17 S 06 00 36.64 +27 50 07.2 L C51
2018-03-01 01:04:18 S 06 02 14.945 +27 53 05.75 L C51
2018-03-01 04:12:48 S 06 02 39.439 +27 53 50.42 L C51
2019-01-18 01:52:03 C 01 36 15.21 +01 15 11.7 V G96
2019-01-18 02:00:10 C 01 36 17.95 +01 15 37.6 V G96
2019-01-18 02:08:15 C 01 36 20.68 +01 16 02.4 V G96
2019-01-18 02:16:22 C 01 36 23.30 +01 16 27.4 V G96
2019-01-23 06:03:50 C 02 17 20.44 +07 22 29.7 V T05
2019-01-23 06:11:12 C 02 17 22.75 +07 22 51.0 V T05
2019-01-23 06:19:15 C 02 17 25.19 +07 23 10.1 V T05
2019-01-23 06:27:54 C 02 17 27.85 +07 23 35.3 V T05
2019-02-08 02:51:29 C 03 59 38.11 +20 06 59.1 V G96
2019-02-08 02:59:42 C 03 59 39.87 +20 07 09.4 V G96
2019-02-08 03:07:56 C 03 59 41.68 +20 07 19.8 V G96
2019-02-08 03:16:09 C 03 59 43.45 +20 07 31.1 V G96
2020-01-27 03:45:02 C 02 09 47.20 +08 04 15.6 V 703
2020-01-27 04:09:38 C 02 09 54.04 +08 05 10.0 V 703
2020-02-14 02:45:24 C 03 56 33.36 +20 19 37.3 V G96
2020-02-14 02:53:27 C 03 56 35.03 +20 19 46.5 V G96
2020-02-14 03:01:30 C 03 56 36.73 +20 19 55.6 V G96
2020-02-14 03:09:32 C 03 56 38.39 +20 20 04.8 V G96
2021-02-10 03:30:00 C 03 12 18.47 +16 18 08.8 V V00
2021-02-10 03:36:53 C 03 12 20.04 +16 18 18.5 V V00
2021-02-10 03:43:43 C 03 12 21.59 +16 18 27.9 V V00
2021-02-10 03:50:34 C 03 12 23.13 +16 18 38.2 V V00
2022-02-21 06:15:16 C 03 46 19.290 +19 37 10.56 U F52
2022-02-21 06:35:32 C 03 46 23.398 +19 37 31.29 U F52
2022-02-21 06:55:49 C 03 46 27.547 +19 37 52.26 U F52
2024-01-28 05:48:12 C 00 56 15.780 +01 07 20.49 X F52
2024-01-28 05:53:48 C 00 56 17.018 +01 07 30.19 X F52
2024-01-28 05:59:23 C 00 56 18.386 +01 07 40.50 X F52
2024-01-28 06:05:00 C 00 56 19.663 +01 07 50.48 X F52
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)