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
2015-06-06 23:42:44 C 21 12 54.47 +06 56 08.7 q 160
2015-06-06 23:45:29 C 21 12 54.53 +06 56 10.8 q 160
2015-06-08 00:48:03 C 21 13 45.97 +07 11 56.0 q 160
2015-06-08 00:51:03 C 21 13 46.05 +07 11 57.6 q 160
2015-06-08 00:54:04 C 21 13 46.16 +07 11 59.8 q 160
2015-06-11 12:47:47 C 21 16 30.211 +08 06 46.88 L F51
2015-06-11 13:06:25 C 21 16 30.715 +08 06 59.47 L F51
2015-06-11 13:24:57 C 21 16 31.212 +08 07 11.96 L F51
2015-06-12 13:00:11 C 21 17 14.958 +08 23 11.26 L F51
2015-06-12 13:18:55 C 21 17 15.442 +08 23 24.16 L F51
2015-06-12 13:37:43 C 21 17 15.929 +08 23 37.06 L F51
2015-06-12 13:56:28 C 21 17 16.411 +08 23 49.91 L F51
2015-06-15 23:41:34 C 21 19 39.20 +09 21 37.0 q 160
2015-06-15 23:44:27 C 21 19 39.20 +09 21 38.3 q 160
2015-06-15 23:47:22 C 21 19 39.29 +09 21 41.0 q 160
2015-06-16 08:49:38 C 21 19 54.05 +09 28 23.7 q 703
2015-06-16 08:56:09 C 21 19 54.23 +09 28 29.1 q 703
2015-06-16 09:02:38 C 21 19 54.39 +09 28 34.2 q 703
2015-06-16 09:09:06 C 21 19 54.56 +09 28 39.6 q 703
2015-06-21 00:22:00 C 21 22 42.05 +10 55 55.1 q 160
2015-06-21 00:24:37 C 21 22 42.11 +10 55 57.1 q 160
2015-06-21 00:26:45 C 21 22 42.15 +10 55 58.8 q 160
2015-06-22 08:01:10 C 21 23 24.63 +11 22 59.4 q 703
2015-06-22 08:07:40 C 21 23 24.74 +11 23 04.6 q 703
2015-06-22 08:14:09 C 21 23 24.89 +11 23 10.4 q 703
2015-06-22 08:20:38 C 21 23 24.98 +11 23 16.7 q 703
2015-06-23 08:09:47 C 21 23 54.46 +11 44 47.4 o W85
2015-06-23 08:10:31 C 21 23 54.47 +11 44 48.0 o W85
2015-06-23 08:11:14 C 21 23 54.48 +11 44 48.7 o W85
2015-06-23 08:11:59 C 21 23 54.49 +11 44 49.4 o W85
2015-06-23 08:12:42 C 21 23 54.51 +11 44 50.0 o W85
2015-06-23 08:13:26 C 21 23 54.52 +11 44 50.7 o W85
2015-06-23 08:14:10 C 21 23 54.53 +11 44 51.3 o W85
2015-06-23 08:14:53 C 21 23 54.54 +11 44 52.0 o W85
2015-06-23 08:15:38 C 21 23 54.54 +11 44 52.7 o W85
2015-06-23 08:16:22 C 21 23 54.57 +11 44 53.3 o W85
2015-06-24 00:21:55 C 21 24 14.51 +11 59 05.4 15.2 q 089
2015-06-24 00:23:58 C 21 24 14.54 +11 59 07.4 15.4 q 089
2015-06-24 00:26:01 C 21 24 14.57 +11 59 09.3 15.4 q 089
2015-06-24 00:28:04 C 21 24 14.61 +11 59 11.2 15.2 q 089
2015-06-24 00:30:07 C 21 24 14.64 +11 59 13.0 15.4 q 089
2015-06-24 00:32:10 C 21 24 14.67 +11 59 14.8 15.3 q 089
2015-06-24 00:34:13 C 21 24 14.69 +11 59 16.4 16.1 q 089
2015-06-24 00:36:16 C 21 24 14.73 +11 59 18.5 15.4 q 089
2015-06-24 00:38:19 C 21 24 14.75 +11 59 20.5 15.5 q 089
2015-06-24 00:40:22 C 21 24 14.80 +11 59 22.5 15.2 q 089
2015-06-24 23:22:54 C 21 24 42.11 +12 20 42.9 q 160
2015-06-24 23:25:43 C 21 24 42.16 +12 20 45.2 q 160
2015-06-24 23:28:36 C 21 24 42.20 +12 20 48.7 q 160
2015-06-25 00:02:29 C 21 24 42.57 +12 21 19.7 q C47
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)