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
2025-06-06 14:05:39 C 22 14 53.861 +05 54 35.78 X F51
2025-06-07 09:43:52 C 22 17 10.093 +06 08 20.22 V 703
2025-06-07 09:51:20 C 22 17 11.022 +06 08 24.25 V 703
2025-06-07 09:55:04 C 22 17 11.501 +06 08 27.53 V 703
2025-06-08 10:08:13 C 22 20 03.656 +06 25 47.24 V G96
2025-06-08 10:15:35 C 22 20 04.463 +06 25 53.83 V G96
2025-06-08 10:22:59 C 22 20 05.316 +06 25 59.30 V G96
2025-06-08 10:30:22 C 22 20 06.191 +06 26 04.60 V G96
2025-06-08 13:10:06 C 22 20 25.546 +06 28 04.04 V T08
2025-06-08 13:14:43 C 22 20 26.062 +06 28 06.60 V T08
2025-06-08 13:31:21 C 22 20 28.013 +06 28 18.98 V T08
2025-06-08 13:40:36 C 22 20 29.124 +06 28 25.46 V T08
2025-06-09 04:03:44 C 22 22 14.162 +06 38 54.20 V R17
2025-06-09 04:11:22 C 22 22 15.074 +06 39 00.18 V R17
2025-06-09 04:28:33 C 22 22 17.129 +06 39 12.53 V R17
2025-06-09 04:45:45 C 22 22 19.176 +06 39 25.13 V R17
2025-06-09 08:23:35 C 22 22 45.970 +06 42 20.02 V W68
2025-06-09 08:26:10 C 22 22 46.289 +06 42 22.14 V W68
2025-06-09 08:47:20 C 22 22 48.802 +06 42 37.76 V W68
2025-06-09 09:12:22 C 22 22 51.835 +06 42 56.30 V W68
2025-06-09 10:18:18 C 22 23 00.287 +06 43 29.82 V 703
2025-06-09 10:21:40 C 22 23 00.704 +06 43 32.99 V 703
2025-06-09 10:28:26 C 22 23 01.453 +06 43 36.88 V 703
2025-06-11 02:15:17 C 22 28 04.034 +07 13 53.40 V M22
2025-06-11 03:04:22 C 22 28 10.315 +07 14 31.67 V M22
2025-06-11 03:08:56 C 22 28 10.874 +07 14 34.84 V M22
2025-06-11 03:13:29 C 22 28 11.462 +07 14 37.82 V M22
2025-06-11 03:17:26 C 22 28 11.988 +07 14 41.93 V M22
2025-06-11 03:18:05 C 22 28 11.959 +07 14 41.68 V M22
2025-06-11 03:25:59 C 22 28 13.037 +07 14 48.73 V M22
2025-06-12 13:38:48 C 22 32 47.167 +07 41 22.31 V T08
2025-06-12 13:43:26 C 22 32 47.806 +07 41 26.12 V T08
2025-06-12 13:51:41 C 22 32 48.869 +07 41 32.75 V T08
2025-06-12 14:19:18 C 22 32 52.560 +07 41 54.31 V T08
2025-06-14 10:38:41 C 22 39 08.513 +08 18 05.08 V T05
2025-06-14 10:42:46 C 22 39 09.103 +08 18 07.63 V T05
2025-06-14 11:16:08 C 22 39 13.898 +08 18 36.58 V T05
2025-06-14 11:50:52 C 22 39 18.948 +08 19 06.31 V T05
2025-06-18 13:52:24 C 22 54 49.224 +09 45 57.92 V T05
2025-06-18 13:57:00 C 22 54 50.021 +09 46 02.28 V T05
2025-06-18 14:20:02 C 22 54 53.846 +09 46 24.06 V T05
2025-06-18 14:32:37 C 22 54 55.958 +09 46 35.72 V T05
2025-06-20 13:40:00 C 23 03 24.137 +10 32 10.10 V T05
2025-06-20 13:47:16 C 23 03 25.457 +10 32 17.41 V T05
2025-06-20 13:55:33 C 23 03 26.983 +10 32 25.76 V T05
2025-06-21 08:49:15 C 23 07 03.619 +10 51 46.12 V W68
2025-06-21 08:59:41 C 23 07 05.606 +10 51 56.23 V W68
2025-06-21 09:32:43 C 23 07 11.890 +10 52 30.25 V W68
2025-06-21 10:14:10 C 23 07 19.733 +10 53 12.59 V W68
2025-06-21 10:24:58 C 23 07 21.802 +10 53 22.70 V W68
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)