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
2023-06-01 23:00:11 S 13 29 49.00 +39 51 52.9 L C51
2023-06-02 02:07:14 S 13 29 51.74 +39 43 54.7 L C51
2023-06-02 05:14:04 S 13 29 54.49 +39 35 59.0 L C51
2023-06-02 08:20:55 S 13 29 57.29 +39 28 05.5 L C51
2023-06-02 11:27:47 S 13 30 00.14 +39 20 12.2 L C51
2023-06-02 14:34:37 S 13 30 02.93 +39 12 21.5 L C51
2023-06-02 14:34:48 S 13 30 02.92 +39 12 20.7 L C51
2023-06-02 17:41:40 S 13 30 05.79 +39 04 31.4 L C51
2023-06-02 20:48:31 S 13 30 08.70 +38 56 43.5 L C51
2023-06-05 06:36:37 C 13 31 06.197 +36 36 33.80 V 703
2023-06-05 06:38:25 C 13 31 06.215 +36 36 29.77 V 703
2023-06-05 06:40:12 C 13 31 06.280 +36 36 25.67 V 703
2023-06-05 06:41:58 C 13 31 06.283 +36 36 21.31 V 703
2023-06-08 08:06:13 C 13 32 33.766 +33 50 04.06 V T05
2023-06-08 08:16:32 C 13 32 33.936 +33 49 41.92 V T05
2023-06-08 08:21:05 C 13 32 34.010 +33 49 31.58 V T05
2023-06-08 08:44:24 C 13 32 34.402 +33 48 40.21 V T05
2023-06-09 06:37:54 C 13 33 02.718 +33 01 19.92 V 703
2023-06-09 06:39:40 C 13 33 02.812 +33 01 15.82 V 703
2023-06-09 06:41:27 C 13 33 02.804 +33 01 13.19 V 703
2023-06-09 06:43:14 C 13 33 02.891 +33 01 08.26 V 703
2023-06-10 06:39:20 C 13 33 35.312 +32 10 35.87 V 703
2023-06-10 06:41:09 C 13 33 35.374 +32 10 32.66 V 703
2023-06-10 06:42:57 C 13 33 35.424 +32 10 28.09 V 703
2023-06-10 06:44:46 C 13 33 35.406 +32 10 25.10 V 703
2023-06-10 08:42:27 C 13 33 38.316 +32 06 22.68 V T05
2023-06-10 08:46:24 C 13 33 38.419 +32 06 15.19 V T05
2023-06-10 08:54:07 C 13 33 38.573 +32 05 59.35 V T05
2023-06-10 09:13:52 C 13 33 38.923 +32 05 17.38 V T05
2023-06-12 06:08:37 C 13 34 43.806 +30 33 41.72 V 703
2023-06-12 06:10:24 C 13 34 43.763 +30 33 37.58 V 703
2023-06-12 06:12:11 C 13 34 43.774 +30 33 33.88 V 703
2023-06-12 06:13:57 C 13 34 43.741 +30 33 30.92 V 703
2023-06-12 08:04:57 C 13 34 46.721 +30 29 52.91 V T05
2023-06-12 08:08:51 C 13 34 46.850 +30 29 44.77 V T05
2023-06-12 08:16:40 C 13 34 47.016 +30 29 29.36 V T05
2023-06-12 08:34:40 C 13 34 47.431 +30 28 52.82 V T05
2023-06-13 06:06:44 C 13 35 19.979 +29 46 21.47 V 703
2023-06-13 06:08:31 C 13 35 20.000 +29 46 18.41 V 703
2023-06-13 06:10:17 C 13 35 20.076 +29 46 15.06 V 703
2023-06-13 06:12:03 C 13 35 20.119 +29 46 11.46 V 703
2023-06-14 05:44:41 C 13 35 57.052 +29 00 42.80 V 703
2023-06-14 05:46:28 C 13 35 57.116 +29 00 39.06 V 703
2023-06-14 05:48:15 C 13 35 57.160 +29 00 36.04 V 703
2023-06-14 05:50:02 C 13 35 57.181 +29 00 32.33 V 703
2023-06-16 07:26:47 C 13 37 18.970 +27 27 50.76 V T05
2023-06-16 07:31:24 C 13 37 19.075 +27 27 42.62 V T05
2023-06-16 07:38:42 C 13 37 19.291 +27 27 28.44 V T05
2023-06-16 07:56:29 C 13 37 19.699 +27 26 56.47 V T05
2023-06-16 08:01:54 C 13 37 19.836 +27 26 46.64 V T05
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)