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
2025-06-21 10:33:58 C 23 07 24.294 +10 53 11.90 V G96
2025-06-21 10:42:09 C 23 07 25.867 +10 53 20.33 V G96
2025-06-21 10:50:19 C 23 07 27.415 +10 53 28.64 V G96
2025-06-21 10:58:30 C 23 07 28.988 +10 53 36.92 V G96
2025-06-22 14:41:06 C 23 13 03.350 +11 22 32.99 V T05
2025-06-22 14:44:14 C 23 13 03.989 +11 22 36.16 V T05
2025-06-22 14:44:53 C 23 13 04.111 +11 22 36.77 V T05
2025-06-22 14:49:21 C 23 13 05.023 +11 22 41.63 V T05
2025-06-23 06:51:25 C 23 16 28.152 +11 40 08.90 V W68
2025-06-23 07:00:35 C 23 16 30.067 +11 40 18.98 V W68
2025-06-23 07:10:14 C 23 16 32.160 +11 40 29.28 V W68
2025-06-23 07:19:53 C 23 16 34.054 +11 40 39.47 V W68
2025-06-24 04:19:44 C 23 21 09.979 +12 03 23.33 V R17
2025-06-24 04:31:36 C 23 21 12.571 +12 03 36.58 V R17
2025-06-24 04:49:26 C 23 21 16.481 +12 03 56.48 V R17
2025-06-24 04:57:05 C 23 21 18.158 +12 04 05.09 V R17
2025-06-24 11:11:53 C 23 22 43.673 +12 11 04.52 V T05
2025-06-24 11:28:05 C 23 22 47.306 +12 11 23.32 V T05
2025-06-24 11:39:46 C 23 22 49.927 +12 11 36.35 V T05
2025-06-24 11:45:46 C 23 22 51.274 +12 11 43.08 V T05
2025-06-24 12:27:03 C 23 23 00.518 +12 12 30.38 V T05
2025-06-30 10:24:43 C 00 01 20.082 +15 06 44.86 V 703
2025-06-30 10:27:59 C 00 01 21.126 +15 06 49.43 V 703
2025-06-30 10:31:15 C 00 01 22.138 +15 06 53.53 V 703
2025-06-30 10:34:31 C 00 01 23.196 +15 06 58.10 V 703
2025-07-01 13:33:02 C 00 10 18.192 +15 43 17.62 V T05
2025-07-01 13:45:06 C 00 10 22.243 +15 43 34.14 V T05
2025-07-01 14:05:57 C 00 10 29.239 +15 44 02.62 V T05
2025-07-01 14:09:53 C 00 10 30.581 +15 44 08.20 V T05
2025-07-02 13:41:08 C 00 18 48.950 +16 16 22.12 V T08
2025-07-02 13:55:08 C 00 18 53.990 +16 16 41.92 V T08
2025-07-02 14:32:27 C 00 19 07.274 +16 17 33.90 V T08
2025-07-02 14:48:29 C 00 19 12.996 +16 17 56.08 V T08
2025-07-03 08:12:26 C 00 25 42.850 +16 42 26.10 V W68
2025-07-03 08:17:05 C 00 25 44.575 +16 42 32.76 V W68
2025-07-03 08:24:55 C 00 25 47.525 +16 42 43.56 V W68
2025-07-03 08:39:26 C 00 25 52.956 +16 43 03.65 V W68
2025-07-03 23:18:27 C 00 31 35.65 +17 02 52.3 V M32
2025-07-03 23:21:37 C 00 31 36.94 +17 02 56.7 V M32
2025-07-03 23:24:48 C 00 31 38.17 +17 03 00.7 V M32
2025-07-03 23:27:58 C 00 31 39.36 +17 03 04.9 V M32
2025-07-03 23:31:10 C 00 31 40.68 +17 03 09.5 V M32
2025-07-06 14:14:51 C 00 58 39.638 +18 30 47.66 V T05
2025-07-06 14:26:47 C 00 58 45.098 +18 31 04.26 V T05
2025-07-06 14:32:47 C 00 58 47.830 +18 31 12.65 V T05
2025-07-06 14:40:17 C 00 58 51.254 +18 31 22.87 V T05
2025-07-07 02:59:54 C 01 04 41.508 +18 48 02.09 V R17
2025-07-07 03:19:45 C 01 04 50.935 +18 48 29.41 V R17
2025-07-07 03:39:33 C 01 05 00.358 +18 48 56.81 V R17
2025-07-07 03:59:20 C 01 05 09.761 +18 49 24.17 V R17
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)