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
2023-06-16 08:21:26 C 13 37 20.326 +27 26 10.50 V T05
2023-06-18 07:38:36 C 13 38 42.922 +26 01 28.24 V T05
2023-06-18 07:42:30 C 13 38 42.958 +26 01 21.86 V T05
2023-06-18 07:57:09 C 13 38 43.385 +26 00 55.58 V T05
2023-06-18 08:11:48 C 13 38 43.793 +26 00 29.77 V T05
2023-06-20 07:07:00 C 13 40 10.162 +24 39 45.50 V T05
2023-06-20 07:11:36 C 13 40 10.294 +24 39 37.62 V T05
2023-06-20 07:19:42 C 13 40 10.493 +24 39 24.55 V T05
2023-06-20 07:33:39 C 13 40 10.908 +24 39 00.36 V T05
2023-06-28 09:02:23 C 13 46 47.969 +19 36 06.84 V T05
2023-06-28 09:40:42 C 13 46 49.325 +19 35 10.68 V T05
2023-06-28 10:07:22 C 13 46 50.143 +19 34 30.83 V T05
2023-06-28 10:15:12 C 13 46 50.578 +19 34 19.38 V T05
2023-07-01 04:18:48 C 13 49 20.719 +18 00 32.33 V 703
2023-07-01 04:27:02 C 13 49 20.989 +18 00 21.24 V 703
2023-07-01 04:38:13 C 13 49 21.529 +18 00 05.29 V 703
2023-07-01 04:46:27 C 13 49 21.763 +17 59 54.60 V 703
2023-07-05 18:56:50 C 13 53 46.140 +15 32 51.65 V M22
2023-07-05 19:02:02 C 13 53 46.231 +15 32 44.38 V M22
2023-07-05 19:17:59 C 13 53 46.826 +15 32 23.82 V M22
2023-07-05 19:33:04 C 13 53 47.405 +15 32 04.49 V M22
2023-07-06 04:18:25 C 13 54 09.166 +15 20 38.22 V G96
2023-07-06 04:34:41 C 13 54 09.788 +15 20 17.34 V G96
2023-07-06 04:43:00 C 13 54 10.134 +15 20 06.65 V G96
2023-07-06 04:50:29 C 13 54 10.408 +15 19 57.18 V G96
2023-07-07 04:16:07 C 13 55 09.239 +14 50 10.21 V 703
2023-07-07 04:24:06 C 13 55 09.462 +14 49 59.77 V 703
2023-07-07 04:32:05 C 13 55 09.800 +14 49 50.12 V 703
2023-07-07 04:40:04 C 13 55 10.135 +14 49 40.15 V 703
2023-07-08 07:20:07 C 13 56 17.837 +14 16 19.20 V T05
2023-07-08 07:24:40 C 13 56 18.024 +14 16 13.94 V T05
2023-07-08 07:32:29 C 13 56 18.310 +14 16 03.83 V T05
2023-07-08 07:52:19 C 13 56 19.145 +14 15 39.13 V T05
2023-07-16 00:14:13 C 14 04 33.564 +10 38 52.01 V W68
2023-07-16 00:20:04 C 14 04 33.826 +10 38 45.06 V W68
2023-07-16 00:31:20 C 14 04 34.320 +10 38 32.39 V W68
2023-07-16 00:49:24 C 14 04 35.086 +10 38 12.12 V W68
2023-07-20 18:00:37 C 14 10 00.631 +08 35 28.36 V M22
2023-07-20 18:04:42 C 14 10 00.665 +08 35 23.86 V M22
2023-07-20 18:19:42 C 14 10 01.452 +08 35 08.23 V M22
2023-07-20 18:30:04 C 14 10 01.963 +08 34 57.04 V M22
2024-05-06 13:05:01 C 19 20 08.681 +09 30 46.69 V T05
2024-05-06 13:08:18 C 19 20 08.556 +09 30 48.82 V T05
2024-05-06 13:12:52 C 19 20 08.369 +09 30 52.02 V T05
2024-05-06 13:35:35 C 19 20 07.488 +09 31 06.96 V T05
2024-05-15 03:43:32 C 19 09 54.154 +11 40 51.53 V M22
2024-05-15 03:50:56 C 19 09 53.690 +11 40 56.32 V M22
2024-05-15 03:57:01 C 19 09 53.299 +11 40 59.74 V M22
2024-05-15 04:05:30 C 19 09 52.740 +11 41 05.03 V M22
2024-05-23 01:56:46 B 18 54 51.221 +13 29 12.91 Z Y89
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)