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
2024-06-11 10:01:39 C 17 53 31.066 +15 36 38.38 V T08
2024-06-11 10:44:30 C 17 53 23.851 +15 36 35.35 V T08
2024-06-12 23:16:08 C 17 47 23.198 +15 32 26.34 V Z80
2024-06-12 23:21:29 C 17 47 22.279 +15 32 25.69 V Z80
2024-06-13 09:43:09 C 17 45 39.050 +15 30 58.43 V T05
2024-06-13 09:47:53 C 17 45 38.225 +15 30 57.74 V T05
2024-06-13 09:52:26 C 17 45 37.447 +15 30 56.92 V T05
2024-06-14 08:01:14 C 17 41 55.770 +15 26 49.63 X F52
2024-06-14 08:20:13 C 17 41 52.510 +15 26 45.90 X F52
2024-06-14 08:39:10 C 17 41 49.246 +15 26 42.15 X F52
2024-06-14 08:58:04 C 17 41 45.992 +15 26 38.40 X F52
2024-06-14 11:05:48 C 17 41 23.921 +15 26 12.37 V T08
2024-06-14 11:09:56 C 17 41 23.201 +15 26 11.40 V T08
2024-06-14 11:17:55 C 17 41 21.816 +15 26 09.64 V T08
2024-06-14 11:52:49 C 17 41 15.790 +15 26 02.08 V T08
2024-06-14 23:12:53 C 17 39 21.87 +15 23 21.9 X K83
2024-06-14 23:17:17 C 17 39 21.10 +15 23 20.8 X K83
2024-06-14 23:19:55 C 17 39 20.65 +15 23 20.2 X K83
2024-06-14 23:27:50 C 17 39 19.27 +15 23 18.2 X K83
2024-06-15 08:19:43 C 17 37 50.268 +15 21 14.33 V T05
2024-06-15 08:22:20 C 17 37 49.802 +15 21 13.57 V T05
2024-06-15 08:26:20 C 17 37 49.118 +15 21 12.71 V T05
2024-06-15 08:33:35 C 17 37 47.861 +15 21 10.94 V T05
2024-06-15 11:16:35 C 17 37 19.529 +15 20 29.83 V T08
2024-06-15 11:48:25 C 17 37 13.999 +15 20 21.30 V T08
2024-06-15 11:53:31 C 17 37 13.109 +15 20 20.11 V T08
2024-06-15 12:01:01 C 17 37 11.801 +15 20 18.06 V T08
2024-06-15 14:27:31 C 17 36 47.98 +15 19 35.4 V D29
2024-06-15 14:47:53 C 17 36 44.45 +15 19 30.1 V D29
2024-06-15 15:08:15 C 17 36 40.92 +15 19 24.8 V D29
2024-06-16 21:20:17 C 17 31 33.78 +15 10 25.5 V C40
2024-06-16 21:27:20 C 17 31 32.56 +15 10 23.3 V C40
2024-06-16 21:34:24 C 17 31 31.34 +15 10 20.8 V C40
2024-06-16 21:41:26 C 17 31 30.11 +15 10 18.6 V C40
2024-06-16 21:48:30 C 17 31 28.89 +15 10 16.3 V C40
2024-06-16 21:55:34 C 17 31 27.67 +15 10 14.0 V C40
2024-06-16 22:02:37 C 17 31 26.44 +15 10 11.7 V C40
2024-06-16 22:09:41 C 17 31 25.22 +15 10 09.4 V C40
2024-06-16 22:16:45 C 17 31 23.99 +15 10 07.1 V C40
2024-06-16 23:03:02 B 17 31 16.40 +15 09 51.7 V 130
2024-06-16 23:09:41 B 17 31 15.25 +15 09 49.4 V 130
2024-06-16 23:16:16 B 17 31 14.10 +15 09 47.3 V 130
2024-06-17 07:42:36 C 17 29 48.044 +15 07 00.66 V G96
2024-06-17 07:50:43 C 17 29 46.626 +15 06 57.74 V G96
2024-06-17 08:06:23 C 17 29 43.883 +15 06 52.74 V G96
2024-06-17 08:14:30 C 17 29 42.486 +15 06 49.50 V G96
2024-06-17 15:26:28 C 17 28 29.53 +15 04 17.1 V D29
2024-06-17 15:45:31 C 17 28 26.21 +15 04 10.3 V D29
2024-06-17 16:04:32 C 17 28 22.89 +15 04 03.5 V D29
2024-06-17 22:01:46 C 17 27 22.07 +15 01 49.4 V C40
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)