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
2024-05-23 02:03:48 B 18 54 50.499 +13 29 16.41 Z Y89
2024-05-23 02:10:52 B 18 54 49.723 +13 29 19.53 Z Y89
2024-05-26 11:43:50 C 18 46 32.525 +14 09 37.44 V T05
2024-05-26 11:46:26 C 18 46 32.213 +14 09 38.52 V T05
2024-05-26 11:51:00 C 18 46 31.678 +14 09 40.72 V T05
2024-05-26 11:58:27 C 18 46 30.874 +14 09 43.99 V T05
2024-05-30 10:51:11 C 18 35 26.710 +14 49 15.06 V T08
2024-05-30 10:53:50 C 18 35 26.378 +14 49 15.85 V T08
2024-05-30 11:06:31 C 18 35 24.742 +14 49 20.64 V T08
2024-05-30 11:12:47 C 18 35 23.935 +14 49 22.76 V T05
2024-05-30 11:15:25 C 18 35 23.592 +14 49 23.77 V T05
2024-05-30 11:23:05 C 18 35 22.596 +14 49 26.76 V T05
2024-05-30 11:30:54 C 18 35 21.593 +14 49 29.42 V T05
2024-06-02 00:10:38 C 18 27 29.117 +15 09 24.88 V Z80
2024-06-02 00:22:41 C 18 27 27.463 +15 09 28.40 V Z80
2024-06-02 10:16:35 C 18 26 07.253 +15 12 26.06 V T08
2024-06-02 10:21:17 C 18 26 06.557 +15 12 27.76 V T08
2024-06-02 10:37:19 C 18 26 04.332 +15 12 32.15 V T08
2024-06-03 10:01:12 C 18 22 50.472 +15 18 40.54 V T05
2024-06-03 10:03:48 C 18 22 50.095 +15 18 41.29 V T05
2024-06-03 10:07:44 C 18 22 49.514 +15 18 42.23 V T05
2024-06-03 10:16:34 C 18 22 48.250 +15 18 44.50 V T05
2024-06-06 23:23:09 C 18 10 21.792 +15 34 06.49 V Z80
2024-06-06 23:32:01 C 18 10 20.410 +15 34 07.25 V Z80
2024-06-06 23:40:05 C 18 10 19.164 +15 34 08.26 V Z80
2024-06-07 09:59:46 C 18 08 44.750 +15 35 22.06 V T05
2024-06-07 10:00:25 C 18 08 44.650 +15 35 22.13 V T05
2024-06-07 10:02:23 C 18 08 44.345 +15 35 22.49 V T05
2024-06-07 10:03:01 C 18 08 44.225 +15 35 22.49 V T05
2024-06-07 10:06:20 C 18 08 43.723 +15 35 23.06 V T05
2024-06-07 10:07:00 C 18 08 43.615 +15 35 23.03 V T05
2024-06-08 12:35:22 C 18 04 36.886 +15 37 21.50 V T08
2024-06-08 12:39:27 C 18 04 36.226 +15 37 21.58 V T08
2024-06-08 13:14:43 C 18 04 30.550 +15 37 23.34 V T08
2024-06-08 13:56:15 C 18 04 23.880 +15 37 24.92 V T08
2024-06-09 08:05:25 C 18 01 33.841 +15 38 00.43 X F52
2024-06-09 08:21:24 C 18 01 31.269 +15 38 00.90 X F52
2024-06-09 08:37:23 C 18 01 28.646 +15 38 01.38 X F52
2024-06-09 08:53:24 C 18 01 26.050 +15 38 01.88 X F52
2024-06-09 10:06:01 C 18 01 14.218 +15 38 03.48 V T05
2024-06-09 10:14:13 C 18 01 12.883 +15 38 03.73 V T05
2024-06-09 10:49:30 C 18 01 07.073 +15 38 04.24 V T05
2024-06-10 09:58:40 C 17 57 25.080 +15 37 52.57 V T08
2024-06-10 10:40:56 C 17 57 18.091 +15 37 51.74 V T08
2024-06-10 11:03:24 C 17 57 14.340 +15 37 50.88 V T08
2024-06-10 23:26:31 B 17 55 14.35 +15 37 12.0 X K19
2024-06-10 23:31:55 B 17 55 13.43 +15 37 11.8 X K19
2024-06-10 23:37:21 B 17 55 12.54 +15 37 11.7 X K19
2024-06-11 09:44:12 C 17 53 33.996 +15 36 39.42 V T08
2024-06-11 09:50:03 C 17 53 33.014 +15 36 39.20 V T08
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)