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
2024-06-25 10:29:49 C 16 57 12.094 +13 25 10.34 V T08
2024-06-25 10:47:33 C 16 57 09.139 +13 24 58.21 V T08
2024-06-25 14:15:07 C 16 56 36.25 +13 22 30.8 V D29
2024-06-25 14:35:29 C 16 56 32.88 +13 22 16.5 V D29
2024-06-25 14:55:51 C 16 56 29.52 +13 22 02.0 V D29
2024-06-26 09:38:14 C 16 53 29.232 +13 08 48.62 V T08
2024-06-26 09:45:01 C 16 53 28.130 +13 08 43.84 V T08
2024-06-26 09:59:51 C 16 53 25.682 +13 08 32.96 V T08
2024-06-26 10:07:50 C 16 53 24.365 +13 08 27.24 V T08
2024-06-26 19:50:40 C 16 51 52.04 +13 01 13.0 V C40
2024-06-26 19:54:24 C 16 51 51.43 +13 01 10.1 V C40
2024-06-26 19:58:07 C 16 51 50.83 +13 01 07.5 V C40
2024-06-26 20:01:51 C 16 51 50.20 +13 01 04.7 V C40
2024-06-26 20:05:34 C 16 51 49.61 +13 01 01.9 V C40
2024-06-26 20:09:17 C 16 51 49.00 +13 00 59.3 V C40
2024-06-26 20:13:00 C 16 51 48.41 +13 00 56.3 V C40
2024-06-26 20:16:44 C 16 51 47.79 +13 00 53.7 V C40
2024-06-26 20:20:28 C 16 51 47.19 +13 00 50.7 V C40
2024-06-27 09:09:34 C 16 49 45.799 +12 51 21.56 V T08
2024-06-27 09:13:34 C 16 49 45.146 +12 51 18.36 V T08
2024-06-27 09:39:55 C 16 49 40.872 +12 50 58.38 V T08
2024-06-27 09:39:58 C 16 49 40.882 +12 50 57.95 V T05
2024-06-27 09:44:32 C 16 49 40.145 +12 50 54.38 V T05
2024-06-27 09:52:22 C 16 49 38.875 +12 50 48.44 V T05
2024-06-27 10:00:29 C 16 49 37.548 +12 50 42.58 V T08
2024-06-27 10:07:30 C 16 49 36.422 +12 50 36.85 V T05
2024-06-27 22:16:27 C 16 47 42.451 +12 41 31.52 V M22
2024-06-27 22:21:12 C 16 47 41.681 +12 41 27.96 V M22
2024-06-27 22:28:38 C 16 47 40.486 +12 41 21.80 V M22
2024-06-27 22:47:00 C 16 47 37.555 +12 41 07.44 V M22
2024-06-28 21:34:52 C 16 44 06.47 +12 22 40.5 V C40
2024-06-28 21:39:55 C 16 44 05.69 +12 22 36.1 V C40
2024-06-28 21:44:57 C 16 44 04.86 +12 22 32.2 V C40
2024-06-28 21:49:59 C 16 44 04.12 +12 22 28.2 V C40
2024-06-28 21:55:01 C 16 44 03.33 +12 22 23.9 V C40
2024-06-28 22:00:03 C 16 44 02.50 +12 22 20.3 V C40
2024-06-28 22:09:51 C 16 44 01.01 +12 22 12.2 V C40
2024-06-28 22:14:43 C 16 44 00.25 +12 22 08.2 V C40
2024-06-29 20:12:56 C 16 40 40.79 +12 04 03.2 V C40
2024-06-29 20:16:40 C 16 40 40.21 +12 04 00.0 V C40
2024-06-29 20:20:23 C 16 40 39.66 +12 03 57.1 V C40
2024-06-29 20:24:07 C 16 40 39.07 +12 03 53.9 V C40
2024-06-29 20:27:51 C 16 40 38.50 +12 03 50.4 V C40
2024-06-29 20:31:35 C 16 40 37.93 +12 03 47.2 V C40
2024-06-29 20:35:19 C 16 40 37.34 +12 03 44.3 V C40
2024-06-29 20:42:47 C 16 40 36.21 +12 03 38.7 V C40
2024-06-30 03:04:17 C 16 39 39.274 +11 58 38.64 V W68
2024-06-30 03:04:56 C 16 39 39.134 +11 58 38.17 V W68
2024-06-30 03:08:51 C 16 39 38.568 +11 58 34.68 V W68
2024-06-30 03:09:29 C 16 39 38.489 +11 58 34.21 V W68
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)