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
2023-05-30 05:22:11 C 13 28 57.749 +42 46 07.07 V 703
2023-05-30 05:24:04 C 13 28 57.785 +42 46 02.03 V 703
2023-05-30 05:31:20 C 13 28 57.796 +42 45 41.76 V G96
2023-05-30 05:38:53 C 13 28 57.839 +42 45 21.02 V G96
2023-05-30 05:46:25 C 13 28 57.882 +42 45 00.00 V G96
2023-05-30 05:53:56 C 13 28 57.911 +42 44 39.23 V G96
2023-05-30 07:08:44 S 13 28 59.83 +42 41 09.1 L C51
2023-05-30 08:42:16 S 13 29 00.89 +42 36 52.5 L C51
2023-05-30 10:15:35 S 13 29 01.93 +42 32 37.4 L C51
2023-05-30 11:49:06 S 13 29 02.98 +42 28 21.4 L C51
2023-05-30 13:22:27 S 13 29 04.07 +42 24 07.1 L C51
2023-05-30 13:22:38 S 13 29 04.03 +42 24 06.2 L C51
2023-05-30 14:55:58 S 13 29 05.08 +42 19 52.3 L C51
2023-05-30 16:29:28 S 13 29 06.19 +42 15 37.7 L C51
2023-05-30 18:02:49 S 13 29 07.26 +42 11 24.8 L C51
2023-05-30 19:36:20 S 13 29 08.39 +42 07 11.1 L C51
2023-05-30 21:09:50 S 13 29 09.46 +42 02 58.3 L C51
2023-05-30 22:43:11 S 13 29 10.62 +41 58 46.3 L C51
2023-05-31 00:16:42 S 13 29 11.72 +41 54 33.9 L C51
2023-05-31 01:50:02 S 13 29 12.85 +41 50 22.9 L C51
2023-05-31 01:50:13 S 13 29 12.85 +41 50 22.1 L C51
2023-05-31 03:23:33 S 13 29 13.97 +41 46 11.4 L C51
2023-05-31 04:57:04 S 13 29 15.12 +41 42 01.3 L C51
2023-05-31 06:30:24 S 13 29 16.31 +41 37 50.7 L C51
2023-05-31 06:30:35 S 13 29 16.29 +41 37 50.5 L C51
2023-05-31 08:03:55 S 13 29 17.45 +41 33 40.8 L C51
2023-05-31 09:37:26 S 13 29 18.59 +41 29 31.9 L C51
2023-05-31 11:10:46 S 13 29 19.80 +41 25 23.0 L C51
2023-05-31 12:44:17 S 13 29 20.98 +41 21 14.0 L C51
2023-05-31 14:17:37 S 13 29 22.17 +41 17 06.5 L C51
2023-05-31 14:17:48 S 13 29 22.21 +41 17 05.2 L C51
2023-05-31 15:51:08 S 13 29 23.39 +41 12 57.9 L C51
2023-05-31 20:31:30 S 13 29 27.03 +41 00 38.0 L C51
2023-05-31 22:05:01 S 13 29 28.23 +40 56 33.5 L C51
2023-05-31 23:38:21 S 13 29 29.50 +40 52 26.4 L C51
2023-06-01 02:45:12 S 13 29 32.02 +40 44 16.9 L C51
2023-06-01 02:45:23 S 13 29 31.97 +40 44 16.5 L C51
2023-06-01 04:18:43 S 13 29 33.26 +40 40 12.4 L C51
2023-06-01 06:04:36 C 13 29 33.641 +40 35 39.01 V 703
2023-06-01 06:06:23 C 13 29 33.587 +40 35 34.48 V 703
2023-06-01 06:08:11 C 13 29 33.691 +40 35 29.76 V 703
2023-06-01 06:10:00 C 13 29 33.745 +40 35 24.14 V 703
2023-06-01 07:25:34 S 13 29 35.83 +40 32 05.1 L C51
2023-06-01 07:57:25 C 13 29 35.530 +40 30 49.61 V T05
2023-06-01 08:01:21 C 13 29 35.561 +40 30 39.38 V T05
2023-06-01 08:11:10 C 13 29 35.626 +40 30 13.79 V T05
2023-06-01 08:26:01 C 13 29 35.743 +40 29 35.16 V T05
2023-06-01 10:32:36 S 13 29 38.44 +40 24 00.2 L C51
2023-06-01 13:39:38 S 13 29 41.00 +40 15 54.3 L C51
2023-06-01 19:53:20 S 13 29 46.33 +39 59 51.4 L C51
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)