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
2024-07-24 19:00:00 C 15 38 31.66 +01 54 50.9 V C40
2024-07-25 18:45:42 C 15 37 11.47 +01 29 50.0 V C40
2024-07-25 18:49:13 C 15 37 11.29 +01 29 46.7 V C40
2024-07-25 19:03:19 C 15 37 10.47 +01 29 31.3 V C40
2024-07-25 19:06:52 C 15 37 10.25 +01 29 28.0 V C40
2024-07-25 19:17:27 C 15 37 09.64 +01 29 16.6 V C40
2024-07-25 19:20:59 C 15 37 09.46 +01 29 13.0 V C40
2024-07-25 19:49:10 C 15 37 08.004 +01 29 02.00 V M22
2024-07-25 19:54:27 C 15 37 07.687 +01 28 56.32 V M22
2024-07-25 20:04:32 C 15 37 07.114 +01 28 45.77 V M22
2024-07-25 20:18:58 C 15 37 06.278 +01 28 30.76 V M22
2024-07-27 07:17:39 C 15 35 16.762 +00 51 41.72 V T08
2024-07-27 07:23:12 C 15 35 16.457 +00 51 35.78 V T08
2024-07-27 07:30:57 C 15 35 16.034 +00 51 27.43 V T08
2024-07-27 08:06:06 C 15 35 14.179 +00 50 50.82 V T08
2024-07-28 01:49:33 C 15 34 22.462 +00 32 36.10 V W68
2024-07-28 02:00:42 C 15 34 21.886 +00 32 24.43 V W68
2024-07-28 02:05:14 C 15 34 21.670 +00 32 19.68 V W68
2024-07-29 07:03:20 C 15 33 02.023 +00 02 06.65 V T05
2024-07-29 07:07:53 C 15 33 01.850 +00 02 01.82 V T05
2024-07-29 07:17:09 C 15 33 01.380 +00 01 52.18 V T05
2024-07-29 07:31:57 C 15 33 00.660 +00 01 37.34 V T05
2024-08-02 06:43:25 C 15 29 20.657 -01 35 38.72 V T05
2024-08-02 06:48:37 C 15 29 20.515 -01 35 43.91 V T05
2024-08-02 07:04:06 C 15 29 19.879 -01 36 00.22 V T05
2024-08-02 07:12:35 C 15 29 19.608 -01 36 07.49 V T05
2024-08-02 18:25:23 C 15 28 57.936 -01 47 14.96 V M22
2024-08-02 18:29:59 C 15 28 57.754 -01 47 20.18 V M22
2024-08-02 18:37:55 C 15 28 57.473 -01 47 27.82 V M22
2024-08-02 18:52:24 C 15 28 56.976 -01 47 42.58 V M22
2024-08-04 06:01:07 C 15 27 53.614 -02 23 09.49 V T08
2024-08-04 06:12:52 C 15 27 53.232 -02 23 21.05 V T08
2024-08-04 06:18:58 C 15 27 53.038 -02 23 27.24 V T08
2024-08-04 06:42:00 C 15 27 52.301 -02 23 50.10 V T08
2024-08-08 05:54:20 C 15 25 37.721 -03 57 46.80 V T08
2024-08-08 05:58:20 C 15 25 37.644 -03 57 50.62 V T08
2024-08-08 06:08:41 C 15 25 37.414 -03 58 00.70 V T08
2024-08-08 06:35:54 C 15 25 36.809 -03 58 27.05 V T08
2024-08-12 05:46:51 C 15 24 10.886 -05 30 06.23 V T08
2024-08-12 05:50:51 C 15 24 10.853 -05 30 10.30 V T08
2024-08-12 06:21:22 C 15 24 10.430 -05 30 39.56 V T08
2024-08-12 06:29:32 C 15 24 10.270 -05 30 46.98 V T08
2024-08-13 00:23:31 C 15 23 59.162 -05 47 35.52 V W68
2024-08-13 00:28:05 C 15 23 59.064 -05 47 39.84 V W68
2024-08-13 00:36:04 C 15 23 58.882 -05 47 48.91 V W68
2024-08-13 00:59:45 C 15 23 58.670 -05 48 10.76 V W68
2024-08-18 07:11:07 C 15 23 17.640 -07 46 01.70 V T05
2024-08-18 07:16:21 C 15 23 17.597 -07 46 06.35 V T05
2024-08-18 07:24:25 C 15 23 17.609 -07 46 13.51 V T05
2024-08-18 07:40:06 C 15 23 17.544 -07 46 27.62 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)