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
2024-08-22 18:34:46 C 15 23 28.258 -09 23 22.34 V M22
2024-08-22 18:40:36 C 15 23 28.272 -09 23 27.92 V M22
2024-08-22 18:48:27 C 15 23 28.255 -09 23 35.74 V M22
2024-08-22 19:17:01 C 15 23 28.373 -09 24 00.83 V M22
2024-09-01 23:52:35 C 15 25 45.307 -12 59 14.68 V W68
2024-09-01 23:57:14 C 15 25 45.300 -12 59 18.96 V W68
2024-09-02 00:05:02 C 15 25 45.406 -12 59 25.04 V W68
2024-09-02 00:32:44 C 15 25 45.725 -12 59 49.99 V W68
2024-09-21 18:30:33 C 15 31 44.179 -19 40 45.48 V M22
2024-09-21 18:44:01 C 15 31 44.172 -19 40 56.89 V M22
2024-09-21 19:03:10 C 15 31 44.213 -19 41 12.30 V M22
2024-09-21 19:04:34 C 15 31 44.299 -19 41 13.49 V M22
2025-04-09 14:03:35 C 20 18 28.212 -05 26 59.15 X F52
2025-04-09 14:18:16 C 20 18 29.339 -05 26 53.86 X F52
2025-04-09 14:33:02 C 20 18 30.446 -05 26 48.51 X F52
2025-04-09 14:47:41 C 20 18 31.557 -05 26 43.13 X F52
2025-04-30 13:59:11 C 20 56 57.143 -02 04 33.65 X F52
2025-04-30 14:13:01 C 20 56 58.180 -02 04 27.61 X F52
2025-04-30 14:26:48 C 20 56 59.212 -02 04 21.57 X F52
2025-04-30 14:40:37 C 20 57 00.251 -02 04 15.49 X F52
2025-05-24 10:23:45 C 21 43 21.443 +02 38 05.64 V 703
2025-05-24 10:37:45 C 21 43 22.667 +02 38 13.99 V 703
2025-05-24 10:46:17 C 21 43 23.387 +02 38 20.98 V 703
2025-05-27 10:25:35 C 21 49 55.715 +03 19 28.13 V 703
2025-05-27 10:28:55 C 21 49 55.960 +03 19 30.25 V 703
2025-05-27 10:32:15 C 21 49 56.262 +03 19 32.02 V 703
2025-05-27 10:35:35 C 21 49 56.593 +03 19 34.86 V 703
2025-05-27 13:35:57 C 21 50 13.481 +03 21 22.32 V T08
2025-05-27 13:50:37 C 21 50 14.794 +03 21 31.03 V T08
2025-05-27 13:55:18 C 21 50 15.194 +03 21 34.70 V T08
2025-05-27 14:12:07 C 21 50 16.766 +03 21 43.88 V T08
2025-05-27 14:16:51 C 21 50 17.201 +03 21 46.30 V T08
2025-05-31 13:29:16 C 21 59 28.834 +04 19 24.31 V T08
2025-05-31 13:33:16 C 21 59 29.237 +04 19 27.16 V T08
2025-05-31 13:58:06 C 21 59 31.637 +04 19 42.35 V T08
2025-05-31 14:13:51 C 21 59 33.149 +04 19 52.10 V T08
2025-06-03 02:49:23 C 22 05 46.013 +04 58 42.64 V M22
2025-06-03 02:52:00 C 22 05 46.265 +04 58 44.11 V M22
2025-06-03 02:56:34 C 22 05 46.754 +04 58 47.39 V M22
2025-06-03 03:04:23 C 22 05 47.558 +04 58 52.50 V M22
2025-06-05 07:40:20 C 22 11 28.632 +05 33 52.45 V W68
2025-06-05 07:43:42 C 22 11 28.930 +05 33 54.18 V W68
2025-06-05 07:56:46 C 22 11 30.377 +05 34 03.47 V W68
2025-06-05 07:57:25 C 22 11 30.451 +05 34 03.00 V W68
2025-06-05 09:47:25 C 22 11 42.752 +05 35 04.24 V G96
2025-06-05 09:54:53 C 22 11 43.566 +05 35 09.31 V G96
2025-06-05 10:02:20 C 22 11 44.376 +05 35 14.35 V G96
2025-06-05 10:09:47 C 22 11 45.186 +05 35 19.36 V G96
2025-06-06 13:32:02 C 22 14 50.128 +05 54 12.29 X F51
2025-06-06 13:48:49 C 22 14 51.996 +05 54 24.02 X F51
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)