85989 (1999 JD6)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6328567975 ± 2.00e+00
Semi-major axis (a)0.8830640064 AU ± 3.00e+00
Inclination (i)17.06723520° ± 4.00e+00
Long. of Asc. Node (Ω)130.14381238° ± 5.00e+00
Arg. of Perihelion (ω)309.26133919° ± 6.00e+00
Mean Anomaly (M)93.49674384° ± 1.28e-05
Mean Motion (n)1.1877471614°/day ± 6.05e+00
Perihelion dist (q)0.32421095 AU ± 2.08e+00
Aphelion dist (Q)1.44191707 AU ± 5.21e+00
Orbital Period0.82982836 yr ± 4.23e+00
NGA Modelr2
A2-6.89086563e-08 AU/d²
Physical Parameters
H (abs. magnitude)17.07
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-27
RMS Residual0.280″
Uncertainty0
Orbit TypeAten
MOID0.048426 AU
Observations Used3582
Gaia Obs Used27
Oppositions5
Arc Total1990-2025
First Observation Used1990-06-22
Last Observation Used2025-07-13
Observations (3862)
Date Type RA Dec Mag Band Observatory
2015-07-17 23:42:19 C 21 22 45.69 +36 36 18.3 q 585
2015-07-17 23:42:33 C 21 22 48.37 +36 36 31.7 r 006
2015-07-17 23:42:44 C 21 22 45.62 +36 36 22.3 q 585
2015-07-17 23:43:10 C 21 22 45.59 +36 36 27.4 q 585
2015-07-17 23:44:03 C 21 22 45.50 +36 36 34.0 q 585
2015-07-17 23:44:29 C 21 22 45.44 +36 36 38.3 q 585
2015-07-17 23:44:56 C 21 22 45.48 +36 36 42.0 q 585
2015-07-17 23:45:22 C 21 22 45.36 +36 36 45.8 q 585
2015-07-17 23:45:48 C 21 22 45.32 +36 36 48.5 q 585
2015-07-17 23:46:14 C 21 22 45.28 +36 36 53.1 q 585
2015-07-17 23:46:40 C 21 22 45.30 +36 36 55.8 q 585
2015-07-17 23:47:06 C 21 22 45.31 +36 37 00.5 q 585
2015-07-17 23:47:59 C 21 22 45.20 +36 37 08.5 q 585
2015-07-17 23:49:31 C 21 22 45.07 +36 37 21.7 q 585
2015-07-17 23:50:04 C 21 22 45.01 +36 37 26.5 15.0 q 585
2015-07-17 23:51:29 C 21 22 44.83 +36 37 37.6 q 585
2015-07-17 23:51:55 C 21 22 44.85 +36 37 42.0 q 585
2015-07-17 23:52:22 C 21 22 44.88 +36 37 46.6 q 585
2015-07-17 23:52:48 C 21 22 44.68 +36 37 49.1 q 585
2015-07-17 23:53:13 C 21 22 44.63 +36 37 54.4 q 585
2015-07-17 23:53:40 C 21 22 44.60 +36 37 57.9 q 585
2015-07-17 23:54:06 C 21 22 44.64 +36 38 01.1 q 585
2015-07-17 23:54:32 C 21 22 44.57 +36 38 03.9 q 585
2015-07-17 23:54:58 C 21 22 44.51 +36 38 07.9 q 585
2015-07-17 23:55:25 C 21 22 44.43 +36 38 12.4 q 585
2015-07-17 23:55:51 C 21 22 44.40 +36 38 15.9 q 585
2015-07-17 23:56:17 C 21 22 44.39 +36 38 19.4 q 585
2015-07-17 23:56:43 C 21 22 44.41 +36 38 23.2 q 585
2015-07-17 23:57:09 C 21 22 44.34 +36 38 26.9 q 585
2015-07-17 23:57:35 C 21 22 44.30 +36 38 30.6 q 585
2015-07-17 23:58:02 C 21 22 44.18 +36 38 35.8 q 585
2015-07-17 23:58:28 C 21 22 44.21 +36 38 40.0 q 585
2015-07-17 23:58:54 C 21 22 44.16 +36 38 41.8 q 585
2015-07-17 23:59:21 C 21 22 44.08 +36 38 46.0 q 585
2015-07-17 23:59:47 C 21 22 44.06 +36 38 49.9 q 585
2015-07-18 00:00:12 C 21 22 44.00 +36 38 54.3 q 585
2015-07-18 00:00:38 C 21 22 44.02 +36 38 57.0 q 585
2015-07-18 00:01:19 C 21 22 43.97 +36 39 03.5 q 585
2015-07-18 00:01:53 C 21 22 43.91 +36 39 07.9 14.9 q 585
2015-07-18 00:03:17 C 21 22 43.87 +36 39 20.3 q 585
2015-07-18 00:03:43 C 21 22 43.72 +36 39 23.9 q 585
2015-07-18 00:04:10 C 21 22 43.65 +36 39 28.1 q 585
2015-07-18 00:04:36 C 21 22 43.67 +36 39 31.7 q 585
2015-07-18 00:05:02 C 21 22 43.58 +36 39 35.8 q 585
2015-07-18 00:05:29 C 21 22 43.65 +36 39 39.2 q 585
2015-07-18 09:00:32 C 21 22 00.88 +38 00 25.9 u H21
2015-07-18 09:02:29 C 21 22 00.67 +38 00 44.3 u H21
2015-07-18 09:04:27 C 21 22 00.46 +38 01 02.5 u H21
2015-07-18 09:06:25 C 21 22 00.25 +38 01 20.7 u H21
2015-07-18 09:08:22 C 21 22 00.05 +38 01 39.0 u H21
Radar Observations (15)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2010-07-25 23:57:00 24147.172 0.76 Hz 2380 -1 -1
2015-07-15 06:38:00 125503251.12 0.79 us 2380 -1 -1
2015-07-23 03:21:00 53986569.23 0.66 us 8560 -14 -14
2015-07-23 06:28:00 53319673.64 0.62 us 8560 -14 -14
2015-07-24 23:58:00 58503.203 1 Hz 8560 -14 -14
2015-07-25 00:39:00 48341993.44 0.62 us 8560 -14 -14
2015-07-27 23:36:00 58257478.69 1.17 us 8560 -14 -14
2015-07-28 23:01:00 -795663.707 2 Hz 8560 -14 -14
2015-07-29 01:21:00 66176190.42 0.79 us 8560 -14 -14
2015-07-29 17:29:00 -240761.688 0.31 Hz 2380 -1 -1
2015-07-29 18:14:00 72104690.28 0.61 us 2380 -1 -1
2015-07-30 17:25:00 80974186.48 0.64 us 2380 -1 -1
2015-07-31 17:26:00 90816962.05 0.64 us 2380 -1 -1
2015-08-02 17:50:00 112047864.21 0.79 us 2380 -1 -1
2015-08-04 17:20:00 134129332.19 2 us 2380 -1 -1
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)