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
2024-06-21 21:01:01 C 17 11 18.38 +14 18 02.9 V C40
2024-06-21 21:04:44 C 17 11 17.74 +14 18 00.8 V C40
2024-06-21 21:08:27 C 17 11 17.08 +14 17 58.9 V C40
2024-06-21 21:12:10 C 17 11 16.44 +14 17 56.8 V C40
2024-06-21 21:15:53 C 17 11 15.82 +14 17 54.7 V C40
2024-06-21 21:19:37 C 17 11 15.19 +14 17 52.5 V C40
2024-06-21 21:23:21 C 17 11 14.55 +14 17 50.7 V C40
2024-06-21 21:30:48 C 17 11 13.28 +14 17 46.6 V C40
2024-06-22 20:38:25 C 17 07 21.76 +14 04 38.1 V C40
2024-06-22 20:42:08 C 17 07 21.13 +14 04 35.8 V C40
2024-06-22 20:45:52 C 17 07 20.48 +14 04 33.5 V C40
2024-06-22 20:49:36 C 17 07 19.87 +14 04 31.3 V C40
2024-06-22 20:53:19 C 17 07 19.23 +14 04 29.1 V C40
2024-06-22 20:57:02 C 17 07 18.60 +14 04 27.1 V C40
2024-06-22 21:00:45 C 17 07 17.95 +14 04 24.7 V C40
2024-06-22 21:04:28 C 17 07 17.33 +14 04 22.5 V C40
2024-06-22 21:08:11 C 17 07 16.71 +14 04 20.4 V C40
2024-06-23 10:00:00 C 17 05 08.642 +13 56 44.20 V T05
2024-06-23 10:04:34 C 17 05 07.870 +13 56 41.46 V T05
2024-06-23 10:14:16 C 17 05 06.211 +13 56 35.59 V T05
2024-06-23 10:28:47 C 17 05 03.732 +13 56 26.66 V T05
2024-06-23 20:44:45 C 17 03 22.57 +13 49 56.2 X G02
2024-06-23 20:50:21 C 17 03 21.60 +13 49 53.1 X G02
2024-06-23 20:55:39 C 17 03 20.72 +13 49 49.5 X G02
2024-06-23 22:11:47 C 17 03 07.62 +13 49 02.3 V C40
2024-06-23 22:15:19 C 17 03 07.03 +13 49 00.1 V C40
2024-06-23 22:18:51 C 17 03 06.43 +13 48 57.8 V C40
2024-06-23 22:22:23 C 17 03 05.84 +13 48 55.5 V C40
2024-06-23 22:25:56 C 17 03 05.24 +13 48 53.2 V C40
2024-06-23 22:28:50 C 17 03 05.261 +13 48 50.15 Z C23
2024-06-23 22:29:28 C 17 03 04.66 +13 48 51.2 V C40
2024-06-23 22:29:54 C 17 03 05.050 +13 48 49.43 Z C23
2024-06-23 22:33:00 C 17 03 04.05 +13 48 48.7 V C40
2024-06-23 22:36:32 C 17 03 03.47 +13 48 46.4 V C40
2024-06-23 22:39:58 C 17 03 02.88 +13 48 44.6 V C40
2024-06-24 21:24:21 C 16 59 19.74 +13 33 56.8 V C40
2024-06-24 21:24:52 C 16 59 19.93 +13 33 55.6 X G02
2024-06-24 21:28:03 C 16 59 19.10 +13 33 54.4 V C40
2024-06-24 21:30:44 C 16 59 18.95 +13 33 51.7 X G02
2024-06-24 21:31:46 C 16 59 18.48 +13 33 51.8 V C40
2024-06-24 21:35:29 C 16 59 17.86 +13 33 49.7 V C40
2024-06-24 21:36:19 C 16 59 18.02 +13 33 47.8 X G02
2024-06-24 21:39:12 C 16 59 17.25 +13 33 46.8 V C40
2024-06-24 21:42:57 C 16 59 16.62 +13 33 44.5 V C40
2024-06-24 21:50:24 C 16 59 15.38 +13 33 39.3 V C40
2024-06-24 21:54:06 C 16 59 14.78 +13 33 36.5 V C40
2024-06-25 09:39:27 C 16 57 20.508 +13 25 45.26 V T05
2024-06-25 09:43:33 C 16 57 19.812 +13 25 42.31 V T05
2024-06-25 10:07:09 C 16 57 15.828 +13 25 25.93 V T05
2024-06-25 10:14:50 C 16 57 14.573 +13 25 20.89 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)