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
2010-07-16 00:15:21 C 18 24 36.79 +16 34 51.2 o 585
2010-07-16 00:22:28 C 18 24 33.61 +16 34 50.8 o 585
2010-07-16 20:40:05 C 18 15 16.66 +16 32 34.2 o 585
2010-07-16 20:42:07 C 18 15 15.66 +16 32 33.8 o 585
2010-07-16 20:44:11 C 18 15 14.68 +16 32 33.1 o 585
2010-07-16 20:46:13 C 18 15 13.73 +16 32 32.7 o 585
2010-07-16 20:49:17 C 18 15 12.26 +16 32 32.2 o 585
2010-07-16 20:52:20 C 18 15 10.75 +16 32 31.7 o 585
2010-07-16 20:53:21 C 18 15 10.25 +16 32 31.4 o 585
2010-07-16 20:57:26 C 18 15 08.31 +16 32 31.0 o 585
2010-07-16 20:58:26 C 18 15 07.80 +16 32 30.6 o 585
2010-07-16 21:00:29 C 18 15 06.82 +16 32 30.2 o 585
2010-07-16 21:03:33 C 18 15 05.36 +16 32 29.9 o 585
2010-07-16 21:11:33 C 18 15 01.51 +16 32 28.1 o 585
2010-07-16 21:14:36 C 18 15 00.03 +16 32 27.8 o 585
2010-07-16 21:17:40 C 18 14 58.55 +16 32 27.0 o 585
2010-07-16 21:25:50 C 18 14 54.60 +16 32 25.5 o 585
2010-07-16 21:28:54 C 18 14 53.13 +16 32 24.9 o 585
2010-07-16 21:32:57 C 18 14 51.18 +16 32 24.4 o 585
2010-07-16 21:43:10 C 18 14 46.22 +16 32 22.1 o 585
2010-07-16 22:30:19 C 18 14 23.46 +16 32 12.8 o 585
2010-07-16 22:34:25 C 18 14 21.50 +16 32 11.8 o 585
2010-07-16 22:39:31 C 18 14 19.01 +16 32 10.6 o 585
2010-07-16 22:52:45 C 18 14 12.62 +16 32 08.0 o 585
2010-07-16 23:09:04 C 18 14 04.76 +16 32 04.5 o 585
2010-07-16 23:12:08 C 18 14 03.27 +16 32 03.9 o 585
2010-07-16 23:16:12 C 18 14 01.33 +16 32 02.9 o 585
2010-07-16 23:55:20 C 18 13 42.43 +16 31 54.2 o 585
2010-07-17 00:00:29 C 18 13 39.98 +16 31 53.1 o 585
2010-07-17 00:04:39 C 18 13 37.97 +16 31 52.1 o 585
2010-07-18 05:23:15 C 17 59 09.83 +16 23 27.7 15.0 c 704
2010-07-18 05:39:01 C 17 59 01.55 +16 23 21.2 14.9 c 704
2010-07-18 05:54:45 C 17 58 53.23 +16 23 14.3 14.6 c 704
2010-07-18 06:10:32 C 17 58 44.91 +16 23 07.9 14.5 c 704
2010-07-18 06:26:14 C 17 58 36.66 +16 23 01.5 16.2 c 704
2010-07-19 05:10:50 C 17 46 35.52 +16 11 43.6 14.8 c 704
2010-07-19 05:57:21 C 17 46 09.58 +16 11 16.2 14.7 c 704
2010-07-19 06:12:50 C 17 46 00.98 +16 11 05.9 16.0 c 704
2010-07-22 21:10:10 C 16 54 23.96 +14 44 30.2 u 595
2010-07-22 21:59:30 C 16 53 51.97 +14 43 19.0 u 595
2010-07-22 22:21:04 C 16 53 37.98 +14 42 47.6 u 595
2010-07-23 03:29:34 C 16 50 21.83 +14 35 28.9 r H53
2010-07-23 03:32:35 C 16 50 19.88 +14 35 24.6 r H53
2010-07-23 03:35:58 C 16 50 17.65 +14 35 19.4 r H53
2010-07-23 03:38:58 C 16 50 15.69 +14 35 15.1 r H53
2010-07-23 03:41:59 C 16 50 13.71 +14 35 10.9 r H53
2010-07-23 03:44:59 C 16 50 11.75 +14 35 06.0 r H53
2010-07-23 21:25:52 C 16 38 46.10 +14 07 30.5 u J51
2010-07-23 21:37:20 C 16 38 38.42 +14 07 11.7 u J51
2010-07-23 21:48:36 C 16 38 30.90 +14 06 53.0 u J51
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)