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
2024-06-17 22:05:30 C 17 27 21.44 +15 01 47.8 V C40
2024-06-17 22:09:13 C 17 27 20.80 +15 01 46.2 V C40
2024-06-17 22:12:56 C 17 27 20.14 +15 01 45.0 V C40
2024-06-17 22:16:39 C 17 27 19.51 +15 01 43.3 V C40
2024-06-17 22:20:21 C 17 27 18.86 +15 01 42.1 V C40
2024-06-17 22:24:04 C 17 27 18.22 +15 01 40.6 V C40
2024-06-17 22:27:47 C 17 27 17.57 +15 01 39.3 V C40
2024-06-17 22:31:31 C 17 27 16.92 +15 01 38.0 V C40
2024-06-18 03:25:57 C 17 26 27.487 +15 00 08.14 V W68
2024-06-18 03:28:35 C 17 26 27.026 +15 00 07.24 V W68
2024-06-18 03:36:25 C 17 26 25.666 +15 00 04.18 V W68
2024-06-18 03:43:38 C 17 26 24.408 +15 00 01.51 V W68
2024-06-18 21:03:19 C 17 23 27.65 +14 52 44.7 V C40
2024-06-18 21:07:02 C 17 23 27.01 +14 52 43.4 V C40
2024-06-18 21:10:46 C 17 23 26.37 +14 52 41.8 V C40
2024-06-18 21:14:29 C 17 23 25.75 +14 52 39.8 V C40
2024-06-18 21:18:12 C 17 23 25.08 +14 52 38.7 V C40
2024-06-18 21:21:55 C 17 23 24.44 +14 52 37.2 V C40
2024-06-18 21:25:39 C 17 23 23.78 +14 52 35.5 V C40
2024-06-18 21:29:23 C 17 23 23.14 +14 52 33.7 V C40
2024-06-18 21:33:06 C 17 23 22.51 +14 52 32.6 V C40
2024-06-19 02:34:49 C 17 22 32.00 +14 50 27.6 V W46
2024-06-19 02:42:39 C 17 22 30.62 +14 50 24.2 V W46
2024-06-19 02:52:57 C 17 22 28.85 +14 50 19.9 V W46
2024-06-19 09:02:39 C 17 21 25.901 +14 47 44.74 V T05
2024-06-19 09:09:28 C 17 21 24.710 +14 47 41.71 V T05
2024-06-19 09:20:32 C 17 21 22.795 +14 47 36.92 V T05
2024-06-19 09:59:22 C 17 21 15.994 +14 47 20.26 V T08
2024-06-19 10:07:25 C 17 21 14.585 +14 47 16.76 V T08
2024-06-19 10:11:35 C 17 21 13.870 +14 47 14.93 V T08
2024-06-19 10:27:14 C 17 21 11.146 +14 47 08.02 V T08
2024-06-19 21:24:09 C 17 19 19.85 +14 42 04.0 V C40
2024-06-19 21:28:39 C 17 19 19.11 +14 42 02.4 V C40
2024-06-19 21:32:06 C 17 19 18.48 +14 42 00.5 V C40
2024-06-19 21:39:45 C 17 19 17.18 +14 41 56.7 V C40
2024-06-19 21:48:08 C 17 19 15.70 +14 41 53.7 V C40
2024-06-19 21:53:13 C 17 19 14.83 +14 41 50.7 V C40
2024-06-19 21:57:35 C 17 19 14.10 +14 41 49.1 V C40
2024-06-19 22:00:56 C 17 19 13.49 +14 41 46.6 V C40
2024-06-19 22:06:58 C 17 19 12.47 +14 41 43.7 V C40
2024-06-21 09:56:49 C 17 13 09.883 +14 24 07.34 V T08
2024-06-21 10:04:00 C 17 13 08.726 +14 24 03.53 V T08
2024-06-21 10:06:49 C 17 13 08.143 +14 24 01.40 V T08
2024-06-21 10:08:09 C 17 13 07.889 +14 24 01.26 V T08
2024-06-21 10:18:13 C 17 13 06.072 +14 23 54.42 V T05
2024-06-21 10:25:02 C 17 13 04.992 +14 23 52.12 V T05
2024-06-21 10:29:14 C 17 13 04.286 +14 23 50.32 V T05
2024-06-21 10:57:55 C 17 12 59.321 +14 23 34.73 V T08
2024-06-21 11:02:05 C 17 12 58.567 +14 23 32.78 V T08
2024-06-21 11:23:35 C 17 12 54.876 +14 23 20.87 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)