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
2023-04-29 20:44:21 C 23 57 51.40 +85 23 04.7 M32
2023-04-29 20:45:55 C 23 57 48.89 +85 23 13.4 M32
2023-04-29 20:49:22 C 23 57 43.48 +85 23 31.0 M32
2023-05-02 00:08:05 B 17 58 33.729 +88 19 26.85 X B72
2023-05-02 00:10:17 B 17 58 06.705 +88 19 22.96 X B72
2023-05-02 00:12:29 B 17 57 40.753 +88 19 19.21 X B72
2023-05-04 21:18:19 C 14 08 37.14 +82 54 04.2 X G02
2023-05-04 21:24:02 C 14 08 32.65 +82 53 35.0 X G02
2023-05-04 21:29:45 C 14 08 28.87 +82 53 04.5 X G02
2023-05-05 22:09:37 C 13 56 19.07 +80 44 23.2 X L18
2023-05-05 22:10:58 C 13 56 18.79 +80 44 15.9 X L18
2023-05-05 22:12:19 C 13 56 18.22 +80 44 08.7 X L18
2023-05-05 22:13:40 C 13 56 17.52 +80 44 02.5 X L18
2023-05-05 22:15:00 C 13 56 17.34 +80 43 55.0 X L18
2023-05-05 22:25:31 C 13 56 13.29 +80 43 00.6 M32
2023-05-05 22:28:59 C 13 56 11.96 +80 42 41.9 M32
2023-05-05 22:33:10 C 13 56 10.28 +80 42 20.5 M32
2023-05-05 22:41:30 C 13 56 06.94 +80 41 38.0 M32
2023-05-05 22:42:12 C 13 56 06.66 +80 41 33.1 M32
2023-05-06 13:54:26 C 13 51 06.017 +79 22 59.20 V T05
2023-05-06 13:59:45 C 13 51 04.603 +79 22 31.40 V T05
2023-05-06 14:11:31 C 13 51 01.303 +79 21 29.70 V T05
2023-05-06 14:33:57 C 13 50 54.895 +79 19 32.20 V T05
2023-05-08 09:47:19 C 13 42 14.822 +75 41 43.01 V T05
2023-05-08 09:51:53 C 13 42 14.023 +75 41 19.75 V T05
2023-05-08 09:59:44 C 13 42 12.619 +75 40 41.27 V T05
2023-05-08 10:45:12 C 13 42 04.594 +75 36 54.50 V T05
2023-05-08 21:24:59 C 13 40 39.11 +74 44 14.8 M32
2023-05-08 21:25:20 C 13 40 39.03 +74 44 13.5 M32
2023-05-08 21:27:31 C 13 40 38.65 +74 44 01.7 M32
2023-05-08 21:27:54 C 13 40 38.56 +74 44 00.6 M32
2023-05-08 21:28:16 C 13 40 38.58 +74 43 58.7 M32
2023-05-08 21:31:53 C 13 40 38.07 +74 43 41.3 M32
2023-05-08 21:32:16 C 13 40 38.01 +74 43 39.1 M32
2023-05-08 21:40:15 C 13 40 36.84 +74 42 59.8 M32
2023-05-08 21:41:22 C 13 40 36.59 +74 42 54.7 M32
2023-05-08 21:41:43 C 13 40 36.60 +74 42 52.8 M32
2023-05-09 22:53:17 C 13 37 47.06 +72 40 49.5 Y 557
2023-05-09 23:25:48 C 13 37 43.47 +72 38 13.1 Y 557
2023-05-09 23:59:53 C 13 37 39.69 +72 35 29.0 Y 557
2023-05-10 00:37:02 C 13 37 35.74 +72 32 29.9 Y 557
2023-05-10 01:09:33 C 13 37 32.30 +72 29 52.9 Y 557
2023-05-10 21:03:17 C 13 35 52.86 +70 55 58.2 M32
2023-05-10 21:06:42 C 13 35 52.51 +70 55 42.2 M32
2023-05-10 21:10:09 C 13 35 52.17 +70 55 26.1 M32
2023-05-10 21:13:57 C 13 35 51.79 +70 55 08.2 M32
2023-05-10 21:17:22 C 13 35 51.48 +70 54 52.4 M32
2023-05-10 21:20:02 C 13 35 51.27 +70 54 40.0 M32
2023-05-10 21:21:56 C 13 35 51.02 +70 54 31.0 M32
2023-05-11 21:20:19 C 13 34 11.70 +69 03 46.4 M32
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)