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
2004-04-14 10:23:16 C 19 25 58.81 +21 02 21.4 18.6 c 704
2004-04-14 10:37:34 C 19 25 57.41 +21 02 35.6 18.7 c 704
2004-04-15 02:14:58 C 19 24 28.61 +21 18 48.3 g 012
2004-04-15 02:18:44 C 19 24 28.30 +21 18 51.5 g 012
2004-04-15 02:36:24 C 19 24 26.59 +21 19 12.2 g 012
2004-04-15 02:41:16 C 19 24 26.13 +21 19 16.0 g 012
2004-04-15 02:46:07 C 19 24 25.60 +21 19 23.5 g 012
2004-04-24 03:17:59 C 19 00 45.96 +24 59 04.0 r 170
2004-04-24 03:19:15 C 19 00 45.79 +24 59 05.2 r 170
2004-04-24 03:20:30 C 19 00 45.66 +24 59 06.1 r 170
2004-04-26 09:20:50 C 18 53 46.67 +25 50 29.4 r H41
2004-04-26 09:23:30 C 18 53 46.37 +25 50 31.7 r H41
2004-04-26 09:26:10 C 18 53 45.97 +25 50 34.4 r H41
2004-04-26 09:28:40 C 18 53 45.59 +25 50 36.1 r H41
2004-04-28 02:06:52 C 18 48 11.09 +26 27 39.7 c 113
2004-04-28 02:10:28 C 18 48 10.46 +26 27 43.3 c 113
2004-04-28 02:14:04 C 18 48 10.13 +26 27 45.9 c 113
2004-05-02 22:36:54 C 18 30 38.53 +28 04 37.2 c 097
2004-05-02 22:40:16 C 18 30 37.94 +28 04 40.2 18.3 c 097
2004-05-03 09:20:51 C 18 28 53.83 +28 12 40.5 r H41
2004-05-03 09:23:22 C 18 28 53.41 +28 12 43.7 r H41
2004-05-03 09:26:14 C 18 28 52.95 +28 12 44.2 r H41
2004-05-03 09:28:55 C 18 28 52.47 +28 12 47.0 r H41
2004-05-03 09:31:25 C 18 28 52.02 +28 12 48.9 r H41
2004-05-06 07:38:01 C 18 17 04.52 +29 01 00.4 r H41
2004-05-06 07:40:41 C 18 17 04.04 +29 01 02.8 r H41
2004-05-06 07:45:07 C 18 17 03.24 +29 01 05.8 r H41
2004-05-06 07:50:09 C 18 17 02.34 +29 01 09.2 r H41
2004-05-07 07:43:46 C 18 12 50.17 +29 15 39.8 r H41
2004-05-07 07:49:48 C 18 12 49.05 +29 15 44.3 r H41
2004-05-07 07:53:43 C 18 12 48.34 +29 15 46.3 r H41
2004-05-07 07:55:48 C 18 12 48.01 +29 15 46.7 r H41
2004-05-08 09:43:57 C 18 08 09.12 +29 30 15.6 r H41
2004-05-08 09:47:12 C 18 08 08.52 +29 30 17.4 r H41
2004-05-08 09:49:34 C 18 08 08.13 +29 30 17.9 r H41
2004-05-08 09:51:34 C 18 08 07.75 +29 30 19.5 r H41
2004-05-10 22:31:51 C 17 56 52.25 +29 58 52.2 r A16
2004-05-10 22:39:02 C 17 56 51.00 +29 58 56.1 r A16
2004-05-10 22:44:42 C 17 56 49.73 +29 58 58.1 r A16
2004-05-10 22:46:35 C 17 56 49.38 +29 58 58.4 r A16
2004-05-10 22:53:30 C 17 56 48.08 +29 59 01.6 r A16
2004-05-11 05:59:22 C 17 55 27.32 +30 01 54.8 r H41
2004-05-11 06:01:33 C 17 55 26.78 +30 01 55.7 r H41
2004-05-11 06:03:42 C 17 55 26.45 +30 01 56.7 r H41
2004-05-11 06:05:54 C 17 55 25.98 +30 01 58.1 r H41
2004-05-11 06:21:28 C 17 55 22.90 +30 02 03.9 r H41
2004-05-11 06:59:32 C 17 55 15.79 +30 02 19.6 17.7 c 704
2004-05-11 07:12:03 C 17 55 13.36 +30 02 24.2 17.9 c 704
2004-05-11 07:24:37 C 17 55 10.91 +30 02 29.0 18.2 c 704
2004-05-11 07:37:12 C 17 55 08.45 +30 02 34.1 18.3 c 704
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)