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
2019-06-25 22:08:23 C 16 30 50.40 +14 08 02.7 V A16
2019-06-25 22:18:33 C 16 30 48.88 +14 07 55.6 V A16
2019-06-25 22:48:31 C 16 30 44.58 +14 07 29.5 V A16
2019-06-25 23:00:42 C 16 30 42.82 +14 07 19.2 V A16
2019-06-26 00:09:12 C 16 30 32.90 +14 06 22.8 q 160
2019-06-26 00:12:06 C 16 30 32.49 +14 06 20.5 q 160
2019-06-26 00:14:58 C 16 30 32.06 +14 06 18.0 q 160
2019-06-26 23:29:25 C 16 27 16.70 +13 46 39.4 q 160
2019-06-26 23:32:24 C 16 27 16.31 +13 46 36.5 q 160
2019-06-26 23:35:19 C 16 27 15.90 +13 46 34.1 q 160
2019-06-27 07:14:54 C 16 26 12.51 +13 40 00.7 V G96
2019-06-27 07:22:16 C 16 26 11.48 +13 39 53.7 V G96
2019-06-27 07:29:39 C 16 26 10.43 +13 39 47.3 V G96
2019-06-27 07:37:01 C 16 26 09.39 +13 39 40.9 V G96
2019-06-27 21:41:22 C 16 24 14.69 +13 27 17.8 V G34
2019-06-27 21:45:46 C 16 24 14.09 +13 27 14.0 V G34
2019-06-27 21:49:51 C 16 24 13.54 +13 27 10.4 V G34
2019-06-29 02:35:38 C 16 20 24.12 +13 01 26.4 V W34
2019-06-29 02:58:11 C 16 20 21.05 +13 01 06.4 V W34
2019-06-29 03:10:29 C 16 20 19.41 +13 00 55.5 V W34
2019-06-29 07:26:56 C 16 19 46.12 +12 57 05.0 V T05
2019-06-29 07:32:36 C 16 19 45.38 +12 57 00.1 V T05
2019-06-29 07:49:15 C 16 19 43.12 +12 56 45.1 V T05
2019-06-29 08:03:34 C 16 19 41.19 +12 56 31.7 V T05
2019-07-01 10:14:59 C 16 13 20.63 +12 09 31.5 V T08
2019-07-01 10:19:18 C 16 13 20.09 +12 09 27.4 V T08
2019-07-01 10:28:26 C 16 13 18.93 +12 09 18.5 V T08
2019-07-01 10:47:06 C 16 13 16.59 +12 09 00.5 V T08
2019-07-01 23:17:14 C 16 11 45.93 +11 56 53.7 q 108
2019-07-01 23:26:30 C 16 11 44.92 +11 56 44.7 q 160
2019-07-01 23:29:07 C 16 11 44.44 +11 56 42.4 q 108
2019-07-01 23:29:28 C 16 11 44.53 +11 56 41.4 q 160
2019-07-01 23:32:25 C 16 11 44.15 +11 56 38.1 q 160
2019-07-01 23:36:22 C 16 11 43.65 +11 56 35.3 q 108
2019-07-02 08:49:28 C 16 10 37.37 +11 47 41.1 V 703
2019-07-02 08:55:19 C 16 10 36.68 +11 47 35.3 V 703
2019-07-02 09:01:09 C 16 10 35.97 +11 47 29.4 V 703
2019-07-02 09:06:58 C 16 10 35.22 +11 47 23.1 V 703
2019-07-03 06:52:11 C 16 08 03.28 +11 26 07.8 V 703
2019-07-03 07:07:17 C 16 08 01.54 +11 25 52.0 V 703
2019-07-03 07:14:50 C 16 08 00.65 +11 25 44.2 V 703
2019-07-03 23:55:50 C 16 06 07.16 +11 09 07.9 V Z80
2019-07-04 00:00:50 C 16 06 06.61 +11 09 02.4 V Z80
2019-07-04 00:05:51 C 16 06 06.02 +11 08 57.7 V Z80
2019-07-06 08:20:44 C 16 00 03.73 +10 12 18.4 V T08
2019-07-06 08:26:10 C 16 00 03.13 +10 12 12.9 V T08
2019-07-06 08:34:14 C 16 00 02.28 +10 12 04.5 V T08
2019-07-06 08:51:13 C 16 00 00.47 +10 11 46.8 V T08
2019-07-06 09:01:31 C 15 59 59.375 +10 11 36.27 U F52
2019-07-06 09:19:15 C 15 59 57.484 +10 11 18.04 U F52
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)