612089 (1999 FJ21)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2746731111 ± 6.94e-09
Semi-major axis (a)1.2744265642 AU ± 6.54e-10
Inclination (i)21.95620674° ± 5.03e-06
Long. of Asc. Node (Ω)19.43683829° ± 1.28e-06
Arg. of Perihelion (ω)67.70516156° ± 3.50e-06
Mean Anomaly (M)266.06308024° ± 2.23e-06
Mean Motion (n)0.6850780504°/day ± 5.27e-10
Perihelion dist (q)0.92437585 AU ± 8.85e-09
Aphelion dist (Q)1.62447727 AU ± 8.88e-09
Orbital Period1.43870656 yr ± 1.11e-09
Physical Parameters
H (abs. magnitude)20.26
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.246″
Uncertainty0
Orbit TypeApollo
MOID0.058511 AU
Observations Used386
Oppositions7
Arc Total1999-2022
First Observation Used1999-03-22
Last Observation Used2022-05-05
Observations (440)
Date Type RA Dec Mag Band Observatory
1999-03-22 10:46:02 C 15 02 33.15 -05 19 07.6 i 691
1999-03-22 11:16:11 C 15 02 29.09 -05 19 56.3 i 691
1999-03-22 11:47:04 C 15 02 24.98 -05 20 45.9 i 691
1999-03-23 08:34:35 C 14 59 44.40 -05 54 19.7 i 691
1999-03-23 08:39:52 C 14 59 43.54 -05 54 28.4 i 691
1999-03-24 09:09:38 C 14 56 26.52 -06 34 14.4 i 691
1999-03-24 09:14:57 C 14 56 25.65 -06 34 25.0 i 691
1999-03-24 09:20:17 C 14 56 25.01 -06 34 31.6 i 691
1999-03-25 01:28:52 C 14 54 11.39 -07 00 55.1 d 046
1999-03-25 01:35:19 C 14 54 10.35 -07 01 05.3 d 046
1999-03-25 01:58:16 C 14 54 06.98 -07 01 43.7 557
1999-03-25 02:00:16 C 14 54 06.74 -07 01 47.5 557
1999-03-25 02:02:17 C 14 54 06.45 -07 01 50.0 557
1999-03-26 16:59:15 C 14 48 32.71 -08 04 59.7 422
1999-03-26 17:00:23 C 14 48 32.50 -08 05 01.2 422
1999-03-26 19:30:07 C 14 48 10.78 -08 09 35.9 19.7 327
1999-03-26 19:36:08 C 14 48 09.73 -08 09 47.5 327
1999-03-26 19:42:03 C 14 48 08.65 -08 09 58.1 327
1999-03-27 02:37:43 C 14 47 07.53 -08 21 19.8 557
1999-03-27 02:39:53 C 14 47 07.22 -08 21 22.6 557
1999-03-27 02:42:05 C 14 47 06.86 -08 21 26.8 557
1999-03-27 02:46:28 C 14 47 06.20 -08 21 33.7 557
1999-04-10 14:55:47 C 13 48 47.61 -17 10 51.0 426
1999-04-10 15:04:46 C 13 48 46.02 -17 11 01.9 426
1999-04-10 15:14:09 C 13 48 44.28 -17 11 14.4 426
1999-04-11 16:22:50 C 13 44 19.56 -17 43 12.0 422
1999-04-12 13:51:09 C 13 40 37.26 -18 09 33.6 426
1999-04-12 14:04:29 C 13 40 34.77 -18 09 49.5 426
1999-04-12 14:52:17 C 13 40 25.80 -18 10 47.1 422
1999-04-12 14:57:59 C 13 40 24.82 -18 10 54.3 422
1999-04-12 15:00:27 C 13 40 24.35 -18 10 56.8 422
1999-04-19 11:27:34 C 13 13 21.42 -21 02 12.3 422
1999-04-19 11:28:53 C 13 13 21.16 -21 02 14.2 422
1999-05-23 04:33:29 C 12 10 08.37 -26 29 02.4 i 693
1999-05-23 04:39:35 C 12 10 08.23 -26 29 04.5 i 693
1999-05-23 04:51:29 C 12 10 08.01 -26 29 06.9 i 693
2009-03-23 07:29:52 C 10 42 23.11 +55 54 30.4 r 703
2009-03-23 07:38:42 C 10 42 21.99 +55 53 51.0 r 703
2009-03-23 07:47:32 C 10 42 21.13 +55 53 11.4 r 703
2009-03-23 07:56:16 C 10 42 19.90 +55 52 33.1 r 703
2009-03-23 08:34:08 C 10 42 15.40 +55 49 45.1 r 703
2009-03-23 08:35:11 C 10 42 15.33 +55 49 40.8 r 703
2009-03-23 08:36:12 C 10 42 15.22 +55 49 37.3 r 703
2009-03-23 08:37:15 C 10 42 15.08 +55 49 32.1 r 703
2009-03-23 09:33:40 C 10 42 08.58 +55 45 19.7 c 854
2009-03-23 09:35:02 C 10 42 08.41 +55 45 13.4 c 854
2009-03-23 19:28:54 C 10 41 11.45 +55 01 50.4 o A99
2009-03-23 19:35:14 C 10 41 10.82 +55 01 22.9 o A99
2009-03-23 19:41:00 C 10 41 10.13 +55 00 57.5 o A99
2009-03-23 19:49:06 C 10 41 09.48 +55 00 17.7 o J95