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
2023-05-15 23:19:52 C 13 30 07.30 +61 59 54.2 Y 557
2023-05-15 23:50:51 C 13 30 06.24 +61 57 46.5 Y 557
2023-05-16 00:20:15 C 13 30 05.27 +61 55 44.9 Y 557
2023-05-16 00:51:14 C 13 30 04.27 +61 53 36.9 Y 557
2023-05-16 01:19:07 C 13 30 03.46 +61 51 41.7 Y 557
2023-05-18 09:32:25 C 13 28 56.014 +58 09 47.59 V T05
2023-05-18 09:37:51 C 13 28 55.848 +58 09 26.71 V T05
2023-05-18 09:45:47 C 13 28 55.649 +58 08 56.11 V T05
2023-05-18 10:00:49 C 13 28 55.234 +58 07 58.15 V T05
2023-05-21 20:26:26 C 13 28 09.56 +53 07 34.9 X M26
2023-05-21 20:31:44 C 13 28 09.52 +53 07 16.5 X M26
2023-05-22 06:35:03 C 13 28 06.193 +52 32 40.02 V 703
2023-05-22 06:36:53 C 13 28 06.161 +52 32 32.82 V 703
2023-05-22 06:38:43 C 13 28 06.100 +52 32 26.30 V 703
2023-05-22 06:40:33 C 13 28 06.107 +52 32 20.26 V 703
2023-05-22 08:12:22 C 13 28 06.533 +52 27 11.09 V T05
2023-05-22 08:16:56 C 13 28 06.451 +52 26 55.32 V T05
2023-05-22 08:25:25 C 13 28 06.362 +52 26 26.27 V T05
2023-05-22 08:41:25 C 13 28 06.154 +52 25 31.48 V T05
2023-05-22 21:57:47 C 13 28 04.032 +51 40 20.71 V 434
2023-05-22 22:01:31 C 13 28 04.010 +51 40 08.87 V 434
2023-05-22 22:07:27 C 13 28 03.929 +51 39 48.42 V 434
2023-05-23 05:39:33 C 13 28 03.382 +51 14 37.93 V 703
2023-05-23 05:47:22 C 13 28 03.338 +51 14 11.58 V 703
2023-05-23 05:55:11 C 13 28 03.230 +51 13 45.23 V 703
2023-05-23 06:03:03 C 13 28 03.169 +51 13 18.91 V 703
2023-05-24 09:09:17 C 13 28 03.185 +49 44 24.43 V T05
2023-05-24 09:13:52 C 13 28 03.163 +49 44 09.64 V T05
2023-05-24 09:21:49 C 13 28 03.115 +49 43 43.72 V T05
2023-05-24 09:39:31 C 13 28 02.993 +49 42 46.26 V T05
2023-05-26 05:41:15 C 13 28 11.582 +47 24 08.82 V 703
2023-05-26 05:49:11 C 13 28 11.561 +47 23 44.27 V 703
2023-05-26 05:57:08 C 13 28 11.546 +47 23 20.04 V 703
2023-05-26 06:05:04 C 13 28 11.543 +47 22 55.49 V 703
2023-05-26 08:42:10 C 13 28 12.446 +47 14 58.45 V T05
2023-05-26 08:46:25 C 13 28 12.420 +47 14 45.49 V T05
2023-05-26 08:53:39 C 13 28 12.403 +47 14 23.28 V T05
2023-05-26 09:08:38 C 13 28 12.386 +47 13 37.20 V T05
2023-05-28 05:45:59 C 13 28 30.198 +45 00 39.60 V 703
2023-05-28 05:47:49 C 13 28 30.216 +45 00 33.95 V 703
2023-05-28 05:49:39 C 13 28 30.245 +45 00 28.87 V 703
2023-05-28 05:51:30 C 13 28 30.227 +45 00 23.65 V 703
2023-05-28 06:41:41 C 13 28 31.550 +44 58 01.70 X F52
2023-05-28 07:36:49 C 13 28 31.601 +44 55 22.17 X F52
2023-05-29 21:48:00 S 13 28 53.78 +43 06 56.7 L C51
2023-05-30 00:54:51 S 13 28 55.76 +42 58 19.4 L C51
2023-05-30 02:28:22 S 13 28 56.75 +42 54 01.2 L C51
2023-05-30 04:01:54 S 13 28 57.80 +42 49 43.0 L C51
2023-05-30 05:18:23 C 13 28 57.716 +42 46 17.65 V 703
2023-05-30 05:20:18 C 13 28 57.731 +42 46 12.54 V 703
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)