1999 GR6

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7610850515 ± 3.40e-07
Semi-major axis (a)1.3425055846 AU ± 4.67e-09
Inclination (i)29.18398777° ± 8.78e-05
Long. of Asc. Node (Ω)180.83378203° ± 3.17e-05
Arg. of Perihelion (ω)146.60728856° ± 4.27e-05
Mean Anomaly (M)2.53264851° ± 2.96e-05
Mean Motion (n)0.6336334920°/day ± 3.30e-09
Perihelion dist (q)0.32074465 AU ± 4.56e-07
Aphelion dist (Q)2.36426652 AU ± 4.56e-07
Orbital Period1.55551481 yr ± 8.11e-09
Physical Parameters
H (abs. magnitude)20.10
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.744″
Uncertainty0
Orbit TypeApollo
MOID0.172165 AU
Observations Used61
Oppositions8
Arc Total1999-2022
First Observation Used1999-03-20
Last Observation Used2022-12-19
Observations (63)
Date Type RA Dec Mag Band Observatory
1999-03-20 08:24:19 C 13 13 18.683 -00 35 22.66 n 645
1999-03-20 08:25:31 C 13 13 18.575 -00 35 19.75 n 645
1999-03-20 08:27:54 C 13 13 18.375 -00 35 13.79 n 645
1999-03-20 08:29:06 C 13 13 18.270 -00 35 10.93 n 645
1999-03-21 08:18:17 C 13 11 20.840 +00 26 16.44 n 645
1999-03-21 08:18:53 C 13 11 20.827 +00 26 16.65 n 645
1999-03-21 08:19:29 C 13 11 20.729 +00 26 19.60 n 645
1999-03-21 08:20:04 C 13 11 20.719 +00 26 19.73 n 645
1999-03-21 08:21:52 C 13 11 20.519 +00 26 25.92 n 645
1999-03-21 08:22:28 C 13 11 20.507 +00 26 26.06 n 645
1999-03-21 08:23:04 C 13 11 20.412 +00 26 29.09 n 645
1999-03-21 08:23:39 C 13 11 20.395 +00 26 29.10 n 645
1999-04-10 03:04:45 C 11 33 51.99 +38 05 45.2 19.0 a 704
1999-04-10 03:32:17 C 11 33 40.47 +38 08 43.3 19.9 a 704
1999-04-10 04:26:56 C 11 33 17.20 +38 14 34.1 19.7 a 704
1999-04-10 04:54:21 C 11 33 05.43 +38 17 28.5 19.5 a 704
1999-04-11 05:21:07 C 11 22 30.42 +40 51 48.2 19.4 a 704
1999-04-11 05:23:52 C 11 22 28.98 +40 52 06.4 19.1 a 704
1999-04-11 05:26:37 C 11 22 27.67 +40 52 24.6 18.8 a 704
1999-04-11 05:29:22 C 11 22 26.49 +40 52 42.8 19.1 a 704
1999-04-12 03:01:53 C 11 12 23.08 +43 06 04.6 a 704
1999-04-12 03:26:26 C 11 12 10.89 +43 08 33.7 a 704
1999-04-18 06:27:00 C 09 42 29.39 +55 42 21.5 19.2 a 704
1999-04-18 06:37:22 C 09 42 22.00 +55 43 03.7 19.5 a 704
1999-04-18 06:58:03 C 09 42 06.49 +55 44 17.7 19.4 a 704
1999-04-18 20:06:38 C 09 32 26.29 +56 32 24.1 557
1999-04-18 20:09:21 C 09 32 24.06 +56 32 31.5 557
1999-04-18 20:10:41 C 09 32 23.12 +56 32 36.1 557
1999-04-18 20:12:02 C 09 32 22.24 +56 32 41.9 557
1999-04-23 04:21:31 C 08 10 34.12 +60 39 16.8 658
1999-04-23 04:31:38 C 08 10 26.11 +60 39 29.0 658
1999-04-23 04:43:08 C 08 10 16.88 +60 39 42.2 658
1999-04-24 04:19:59 C 07 51 39.77 +61 03 50.7 658
1999-04-24 04:34:14 C 07 51 28.47 +61 04 00.8 658
1999-04-24 04:48:00 C 07 51 17.63 +61 04 11.1 658
2013-03-15 07:54:21 C 13 23 14.21 -04 25 30.2 o 691
2013-03-15 08:20:06 C 13 23 12.80 -04 24 41.3 o 691
2013-03-15 08:45:51 C 13 23 11.39 -04 23 52.7 o 691
2013-03-19 11:56:55 C 13 17 08.467 -00 49 28.83 L F51
2013-03-19 12:19:08 C 13 17 06.698 -00 48 33.88 L F51
2013-03-19 12:41:21 C 13 17 05.009 -00 47 39.41 L F51
2013-03-19 13:03:34 C 13 17 03.278 -00 46 44.62 L F51
2013-03-31 05:27:22 C 12 43 12.03 +16 16 50.8 u 703
2013-03-31 05:37:51 C 12 43 10.02 +16 17 45.4 u 703
2013-03-31 05:48:27 C 12 43 08.00 +16 18 38.4 u 703
2013-03-31 05:59:00 C 12 43 05.91 +16 19 32.5 u 703
2013-04-03 06:52:45 C 12 27 35.02 +22 58 20.5 q 448
2013-04-03 07:01:00 C 12 27 32.96 +22 59 09.0 q 448
2013-04-03 07:08:56 C 12 27 30.97 +22 59 55.8 q 448
2013-04-03 07:17:38 C 12 27 28.81 +23 00 46.4 q 448