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
2024-07-09 08:23:29 C 16 10 12.878 +08 28 02.96 V T05
2024-07-09 08:40:46 C 16 10 10.802 +08 27 45.29 V T05
2024-07-09 21:49:45 C 16 08 40.65 +08 14 04.3 X G02
2024-07-09 21:56:18 C 16 08 39.91 +08 13 57.6 X G02
2024-07-09 22:02:49 C 16 08 39.16 +08 13 50.8 X G02
2024-07-12 01:35:23 C 16 03 03.194 +07 20 24.25 V W68
2024-07-12 01:40:00 C 16 03 02.698 +07 20 19.28 V W68
2024-07-12 02:24:53 C 16 02 57.830 +07 19 32.12 V W68
2024-07-12 02:34:01 C 16 02 56.832 +07 19 22.48 V W68
2024-07-14 20:55:39 C 15 56 23.09 +06 08 41.8 V C40
2024-07-14 21:13:51 C 15 56 21.32 +06 08 21.5 V C40
2024-07-14 21:33:59 C 15 56 19.51 +06 08 00.0 V C40
2024-07-15 07:17:51 C 15 55 25.958 +05 57 44.35 V T08
2024-07-15 07:21:50 C 15 55 25.591 +05 57 39.85 V T08
2024-07-15 07:36:26 C 15 55 24.202 +05 57 24.34 V T08
2024-07-15 08:10:52 C 15 55 20.892 +05 56 47.40 V T08
2024-07-16 01:18:51 C 15 53 48.526 +05 38 42.54 V W68
2024-07-16 01:29:05 C 15 53 47.573 +05 38 31.96 V W68
2024-07-16 01:33:38 C 15 53 47.112 +05 38 26.63 V W68
2024-07-16 01:50:33 C 15 53 45.576 +05 38 08.30 V W68
2024-07-16 19:02:05 C 15 52 15.39 +05 19 25.4 V C40
2024-07-16 19:09:08 C 15 52 14.74 +05 19 17.9 V C40
2024-07-16 19:30:18 C 15 52 12.88 +05 18 55.4 V C40
2024-07-16 19:37:21 C 15 52 12.22 +05 18 47.4 V C40
2024-07-17 07:59:39 C 15 51 09.247 +05 05 38.90 V T05
2024-07-17 08:04:13 C 15 51 08.832 +05 05 34.55 V T05
2024-07-17 08:12:14 C 15 51 08.172 +05 05 26.41 V T05
2024-07-17 08:45:16 C 15 51 05.263 +05 04 50.48 V T05
2024-07-19 08:31:24 C 15 47 15.682 +04 13 41.81 V T08
2024-07-19 08:36:54 C 15 47 15.290 +04 13 36.73 V T08
2024-07-19 08:45:53 C 15 47 14.544 +04 13 26.76 V T08
2024-07-19 09:06:48 C 15 47 12.854 +04 13 03.72 V T08
2024-07-23 04:57:41 S 15 40 49.78 +02 35 12.7 L C51
2024-07-23 08:01:14 S 15 40 38.26 +02 31 59.4 L C51
2024-07-23 08:01:25 S 15 40 38.26 +02 31 58.8 L C51
2024-07-23 11:04:58 S 15 40 26.80 +02 28 44.5 L C51
2024-07-23 12:36:06 S 15 40 21.10 +02 27 08.1 L C51
2024-07-23 14:08:32 S 15 40 15.41 +02 25 29.9 L C51
2024-07-23 15:40:12 S 15 40 09.77 +02 23 53.1 L C51
2024-07-23 15:40:23 S 15 40 09.76 +02 23 53.0 L C51
2024-07-24 01:50:28 C 15 39 32.458 +02 13 15.60 V W68
2024-07-24 02:23:56 C 15 39 30.319 +02 12 40.25 V W68
2024-07-24 02:49:32 C 15 39 28.694 +02 12 13.43 V W68
2024-07-24 02:54:05 C 15 39 28.394 +02 12 08.32 V W68
2024-07-24 18:28:16 C 15 38 33.59 +01 55 23.8 V C40
2024-07-24 18:31:47 C 15 38 33.38 +01 55 20.5 V C40
2024-07-24 18:35:19 C 15 38 33.15 +01 55 16.6 V C40
2024-07-24 18:42:23 C 15 38 32.71 +01 55 09.3 V C40
2024-07-24 18:49:26 C 15 38 32.31 +01 55 01.4 V C40
2024-07-24 18:52:57 C 15 38 32.07 +01 54 58.2 V C40
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)