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
2019-07-22 07:52:07 C 15 32 06.57 +03 31 27.4 V T05
2019-07-22 08:01:26 C 15 32 06.10 +03 31 17.7 V T05
2019-07-22 08:16:08 C 15 32 05.39 +03 31 02.4 V T05
2019-07-24 20:52:46 C 15 29 33.41 +02 28 46.7 q 160
2019-07-24 20:55:46 C 15 29 33.20 +02 28 44.2 q 160
2019-07-26 07:31:13 C 15 28 18.14 +01 53 39.6 V T05
2019-07-26 07:35:57 C 15 28 17.97 +01 53 35.0 V T05
2019-07-26 07:43:59 C 15 28 17.67 +01 53 26.7 V T05
2019-07-26 07:49:56 C 15 28 17.46 +01 53 20.9 V T05
2019-07-26 08:18:42 C 15 28 16.38 +01 52 51.7 V T05
2019-07-28 07:02:06 C 15 26 48.52 +01 05 50.7 V T08
2019-07-28 07:06:49 C 15 26 48.38 +01 05 46.0 V T08
2019-07-28 07:14:48 C 15 26 48.09 +01 05 38.4 V T08
2019-07-28 07:29:43 C 15 26 47.66 +01 05 24.6 V T08
2019-07-30 07:35:39 C 15 25 32.05 +00 17 32.9 V T05
2019-07-30 07:40:04 C 15 25 31.92 +00 17 28.1 V T05
2019-07-30 07:47:28 C 15 25 31.73 +00 17 20.7 V T05
2019-07-30 08:04:10 C 15 25 31.28 +00 17 04.1 V T05
2020-04-25 10:50:38 C 20 36 32.27 -02 19 31.6 V G96
2020-04-25 10:58:18 C 20 36 32.76 -02 19 28.7 V G96
2020-04-25 11:05:57 C 20 36 33.30 -02 19 25.0 V G96
2020-04-25 11:13:37 C 20 36 33.77 -02 19 21.7 V G96
2020-04-26 10:49:22 C 20 38 08.61 -02 09 18.9 V G96
2020-04-26 10:57:45 C 20 38 09.17 -02 09 15.3 V G96
2020-04-26 11:06:06 C 20 38 09.72 -02 09 11.6 V G96
2020-04-26 11:14:28 C 20 38 10.27 -02 09 08.1 V G96
2020-05-04 02:20:03 S 20 50 16.27 -00 48 29.7 L C51
2020-05-04 05:28:22 S 20 50 28.59 -00 47 04.1 L C51
2020-05-04 14:53:30 S 20 51 05.68 -00 42 47.0 L C51
2020-05-04 18:01:49 S 20 51 17.92 -00 41 21.3 L C51
2020-05-05 01:52:31 S 20 51 48.76 -00 37 46.5 L C51
2020-05-05 01:52:42 S 20 51 48.75 -00 37 46.4 L C51
2020-05-05 05:01:01 S 20 52 01.10 -00 36 21.0 L C51
2020-05-05 08:09:20 S 20 52 13.30 -00 34 54.2 L C51
2020-05-05 17:34:17 S 20 52 50.27 -00 30 34.2 L C51
2020-05-05 20:42:37 S 20 53 02.64 -00 29 09.2 L C51
2020-05-06 13:50:24 C 20 54 10.423 -00 21 16.86 U F52
2020-05-06 14:07:26 C 20 54 11.481 -00 21 08.80 U F52
2020-05-06 14:24:35 C 20 54 12.576 -00 21 00.97 U F52
2020-05-06 14:41:42 C 20 54 13.648 -00 20 53.09 U F52
2020-05-19 14:12:38 C 21 14 29.47 +02 11 39.6 V T08
2020-05-19 14:22:32 C 21 14 30.06 +02 11 45.1 V T08
2020-05-19 14:39:51 C 21 14 31.16 +02 11 54.0 V T08
2020-05-19 14:49:49 C 21 14 31.76 +02 11 58.8 V T08
2020-05-21 09:34:05 C 21 17 19.68 +02 34 22.2 V 703
2020-05-21 09:43:45 C 21 17 20.40 +02 34 27.3 V 703
2020-05-21 09:53:27 C 21 17 20.95 +02 34 31.8 V 703
2020-05-21 10:03:06 C 21 17 21.58 +02 34 37.7 V 703
2020-05-22 10:25:58 C 21 18 57.50 +02 47 36.6 V G96
2020-05-22 10:33:25 C 21 18 57.99 +02 47 40.5 V G96
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)