264308 (1999 NA5)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2486343707 ± 2.00e+00
Semi-major axis (a)1.4364597487 AU ± 3.00e+00
Inclination (i)4.27836651° ± 4.00e+00
Long. of Asc. Node (Ω)262.08986118° ± 5.00e+00
Arg. of Perihelion (ω)318.97392105° ± 6.00e+00
Mean Anomaly (M)160.07800977° ± 1.78e-05
Mean Motion (n)0.5724955095°/day ± 1.79e+00
Perihelion dist (q)1.07930648 AU ± 3.65e+00
Aphelion dist (Q)1.79361301 AU ± 4.72e+00
Orbital Period1.72163147 yr ± 5.39e+00
NGA Modelr2
A22.24303375e-06 AU/d²
Physical Parameters
H (abs. magnitude)20.43
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-27
RMS Residual0.304″
Uncertainty0
Orbit TypeAmor
MOID0.082006 AU
Observations Used183
Oppositions11
Arc Total1999-2025
First Observation Used1999-06-22
Last Observation Used2025-11-20
Observations (195)
Date Type RA Dec Mag Band Observatory
1999-06-22 08:03:06 C 20 35 41.60 -12 18 18.6 c 699
1999-06-22 08:39:48 C 20 35 39.66 -12 17 53.0 c 699
1999-06-22 09:16:30 C 20 35 37.68 -12 17 30.7 c 699
1999-07-13 07:05:46 C 20 07 01.59 -08 43 05.5 18.2 a 704
1999-07-13 07:23:41 C 20 07 00.33 -08 43 02.2 18.5 a 704
1999-07-13 07:41:37 C 20 06 59.07 -08 42 58.9 18.6 a 704
1999-07-13 07:59:29 C 20 06 57.84 -08 42 55.8 18.2 a 704
1999-07-13 08:17:18 C 20 06 56.58 -08 42 52.4 18.8 a 704
1999-07-14 06:57:08 C 20 05 34.37 -08 39 07.1 18.7 a 704
1999-07-14 07:33:29 C 20 05 31.87 -08 39 01.4 19.2 a 704
1999-07-14 08:09:56 C 20 05 29.35 -08 38 56.0 18.5 a 704
1999-07-14 12:33:53 C 20 05 15.01 -08 37 36.3 426
1999-07-14 12:40:27 C 20 05 14.60 -08 37 35.2 426
1999-07-14 12:47:17 C 20 05 14.10 -08 37 34.4 426
1999-07-14 22:16:21 C 20 04 39.01 -08 36 56.4 557
1999-07-14 22:23:33 C 20 04 38.51 -08 36 55.1 557
1999-07-16 00:15:02 C 20 03 05.36 -08 33 30.7 d 046
1999-07-16 00:17:28 C 20 03 05.12 -08 33 31.6 d 046
1999-07-16 00:19:41 C 20 03 05.00 -08 33 29.8 d 046
1999-07-16 00:21:38 C 20 03 04.90 -08 33 30.1 d 046
1999-07-16 07:16:33 C 20 02 40.99 -08 32 33.9 19.0 a 704
1999-07-16 07:34:56 C 20 02 39.69 -08 32 33.2 18.7 a 704
1999-07-16 07:53:07 C 20 02 38.46 -08 32 31.1 18.6 a 704
1999-07-16 13:59:09 C 20 02 17.93 -08 31 12.9 426
1999-07-16 14:10:07 C 20 02 17.22 -08 31 12.1 426
1999-07-16 14:21:20 C 20 02 16.43 -08 31 10.5 426
1999-07-20 00:08:10 C 19 57 39.22 -08 25 32.2 557
1999-07-20 00:11:11 C 19 57 39.03 -08 25 32.1 557
1999-07-20 00:14:12 C 19 57 38.85 -08 25 32.5 557
1999-07-22 16:44:10 C 19 54 17.52 -08 23 49.6 z 402
1999-07-22 16:45:59 C 19 54 17.41 -08 23 48.9 z 402
1999-07-22 16:49:36 C 19 54 17.19 -08 23 48.9 z 402
1999-07-23 08:59:11 C 19 53 30.06 -08 23 53.7 848
1999-07-23 09:08:30 C 19 53 29.61 -08 23 53.8 848
1999-07-23 09:17:34 C 19 53 29.14 -08 23 53.2 848
1999-07-31 09:24:48 C 19 45 36.67 -08 34 47.7 658
1999-07-31 09:32:43 C 19 45 36.34 -08 34 48.3 658
1999-07-31 09:36:20 C 19 45 36.20 -08 34 49.0 658
1999-08-02 07:04:37 C 19 44 12.25 -08 39 44.6 658
1999-08-02 07:13:20 C 19 44 12.01 -08 39 45.9 658
1999-08-02 07:18:41 C 19 44 11.82 -08 39 46.7 658
1999-08-21 11:26:16 C 19 40 14.63 -09 51 40.3 413
1999-08-21 11:50:52 C 19 40 14.77 -09 51 44.4 413
2003-12-24 15:23:39 C 06 21 38.832 +21 11 04.61 r 413
2003-12-24 15:48:06 C 06 21 36.724 +21 10 59.69 r 413
2003-12-24 16:00:52 C 06 21 35.620 +21 10 56.87 r 413
2003-12-25 12:53:02 C 06 19 52.10 +21 06 51.4 r 413
2003-12-25 13:02:31 C 06 19 51.27 +21 06 50.0 r 413
2006-08-18 09:26:37 C 00 03 04.81 +11 40 33.6 d 291
2006-08-18 09:32:14 C 00 03 04.53 +11 40 33.1 d 291