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
2000-07-12 07:25:20 C 17 00 17.57 +08 31 40.3 c 658
2000-07-12 07:28:50 C 17 00 16.79 +08 31 36.8 c 658
2000-07-13 02:44:31 C 16 56 13.20 +08 11 40.4 i 739
2000-07-13 02:46:27 C 16 56 12.84 +08 11 37.9 i 739
2000-07-13 02:48:04 C 16 56 12.47 +08 11 35.8 i 739
2000-07-20 21:46:12 C 16 19 06.94 +04 32 33.2 118
2000-07-20 21:56:08 C 16 19 05.06 +04 32 21.0 118
2000-07-21 05:25:08 C 16 17 43.34 +04 22 55.5 c 658
2000-07-21 05:27:18 C 16 17 42.95 +04 22 52.6 c 658
2000-07-21 05:30:23 C 16 17 42.43 +04 22 48.9 c 658
2000-07-24 06:16:52 C 16 04 53.98 +02 49 44.2 c 658
2000-07-24 06:21:05 C 16 04 53.26 +02 49 38.7 c 658
2000-07-24 06:27:50 C 16 04 52.09 +02 49 30.3 c 658
2000-07-25 21:06:34 C 15 58 27.83 +01 59 26.1 118
2000-07-25 21:21:29 C 15 58 25.37 +01 59 06.6 118
2000-07-26 03:02:26 C 15 57 30.68 +01 51 45.5 i 739
2000-07-26 03:07:08 C 15 57 29.88 +01 51 40.3 i 739
2000-07-26 03:08:59 C 15 57 29.53 +01 51 37.4 i 739
2000-07-28 04:09:55 C 15 49 48.89 +00 47 54.8 i 739
2000-07-28 04:17:04 C 15 49 47.74 +00 47 45.8 i 739
2000-07-28 04:22:41 C 15 49 46.92 +00 47 38.0 i 739
2000-08-01 05:12:43 C 15 35 53.58 -01 17 27.7 c 699
2000-08-01 05:30:47 C 15 35 51.08 -01 17 50.7 c 699
2000-08-01 05:48:50 C 15 35 48.55 -01 18 14.1 c 699
2000-08-01 06:07:42 C 15 35 45.97 -01 18 38.1 c 699
2000-08-03 03:36:19 C 15 29 48.34 -02 16 32.4 18.6 c 704
2000-08-03 03:56:53 C 15 29 45.56 -02 16 59.4 18.1 c 704
2000-08-03 04:17:23 C 15 29 42.83 -02 17 25.1 17.8 c 704
2000-08-03 04:37:59 C 15 29 40.15 -02 17 51.7 17.9 c 704
2000-08-03 04:58:46 C 15 29 37.42 -02 18 17.0 17.8 c 704
2000-09-03 09:03:11 C 14 14 03.86 -15 28 29.8 413
2000-09-03 09:05:29 C 14 14 03.56 -15 28 31.4 413
2000-09-03 09:07:55 C 14 14 03.27 -15 28 33.3 413
2001-05-21 11:05:11 C 22 34 45.58 +01 32 20.6 926
2001-05-21 11:06:33 C 22 34 45.84 +01 32 21.2 926
2001-05-21 11:07:55 C 22 34 45.92 +01 32 24.8 926
2003-06-13 04:12:39 C 10 56 45.75 +33 14 08.6 o 699
2003-06-13 04:33:23 C 10 56 50.77 +33 13 35.9 o 699
2003-06-13 04:54:03 C 10 56 55.59 +33 13 01.6 o 699
2003-06-13 05:14:46 C 10 57 00.67 +33 12 27.2 o 699
2003-06-21 04:06:04 C 11 36 57.33 +28 11 04.3 18.5 c 704
2003-06-21 04:20:30 C 11 36 59.99 +28 10 41.2 18.6 c 704
2003-06-21 04:34:52 C 11 37 02.51 +28 10 19.2 18.7 c 704
2003-06-21 05:04:11 C 11 37 07.97 +28 09 33.7 18.1 c 704
2003-06-22 04:04:16 C 11 41 18.19 +27 33 51.8 19.0 c 704
2003-06-22 04:19:13 C 11 41 20.88 +27 33 28.4 19.2 c 704
2003-06-22 04:33:58 C 11 41 23.47 +27 33 05.2 19.4 c 704
2003-06-22 04:48:49 C 11 41 26.02 +27 32 41.3 19.5 c 704
2004-04-14 09:53:27 C 19 26 01.73 +21 01 49.3 18.4 c 704
2004-04-14 10:08:13 C 19 26 00.31 +21 02 04.7 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)