162215 (1999 TL12)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4365432587 ± 2.00e+00
Semi-major axis (a)1.0816055152 AU ± 3.00e+00
Inclination (i)17.33811474° ± 4.00e+00
Long. of Asc. Node (Ω)202.30895964° ± 5.00e+00
Arg. of Perihelion (ω)346.78999487° ± 6.00e+00
Mean Anomaly (M)271.66889106° ± 1.70e-04
Mean Motion (n)0.8762114750°/day ± 3.65e+00
Perihelion dist (q)0.60943792 AU ± 2.75e+00
Aphelion dist (Q)1.55377311 AU ± 4.82e+00
Orbital Period1.12487260 yr ± 4.68e+00
NGA Modelr2
A22.50989031e-06 AU/d²
Physical Parameters
H (abs. magnitude)19.17
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-27
RMS Residual0.233″
Uncertainty0
Orbit TypeApollo
MOID0.256488 AU
Observations Used365
Gaia Obs Used13
Oppositions2
Arc Total1998-2017
First Observation Used1998-10-29
Last Observation Used2025-12-25
Observations (372)
Date Type RA Dec Mag Band Observatory
1998-10-29 08:14:06 C 03 43 15.074 +00 25 27.70 n 645
1998-10-29 08:15:17 C 03 43 14.971 +00 25 25.39 n 645
1998-10-29 08:17:40 C 03 43 14.784 +00 25 20.71 n 645
1998-10-29 08:18:52 C 03 43 14.678 +00 25 18.08 n 645
1999-10-10 04:39:08 C 00 32 57.41 +10 47 01.3 19.0 a 704
1999-10-10 05:01:23 C 00 32 55.31 +10 46 27.7 19.7 a 704
1999-10-10 05:23:40 C 00 32 53.06 +10 45 54.5 19.6 a 704
1999-10-10 05:45:50 C 00 32 50.86 +10 45 21.7 19.2 a 704
1999-10-10 06:08:07 C 00 32 48.68 +10 44 48.4 19.3 a 704
1999-10-11 03:29:32 C 00 30 47.64 +10 12 53.5 18.9 a 704
1999-10-11 03:43:23 C 00 30 46.27 +10 12 32.2 19.0 a 704
1999-10-11 03:56:40 C 00 30 44.99 +10 12 12.4 18.6 a 704
1999-10-11 04:10:01 C 00 30 43.66 +10 11 52.2 18.7 a 704
1999-10-11 04:23:21 C 00 30 42.35 +10 11 32.4 18.5 a 704
1999-10-11 05:47:57 C 00 30 34.02 +10 09 25.9 19.7 a 704
1999-10-11 06:01:03 C 00 30 32.79 +10 09 06.6 19.9 a 704
1999-10-11 06:14:04 C 00 30 31.46 +10 08 47.0 20.0 a 704
1999-10-11 06:27:24 C 00 30 30.19 +10 08 25.9 20.7 a 704
1999-10-11 06:40:26 C 00 30 28.87 +10 08 06.9 20.1 a 704
1999-10-11 07:32:09 C 00 30 23.91 +10 06 50.6 z 684
1999-10-11 07:39:06 C 00 30 23.25 +10 06 41.0 z 684
1999-10-12 19:02:47 C 00 27 05.68 +09 13 36.0 d 046
1999-10-12 19:07:25 C 00 27 05.24 +09 13 28.0 d 046
1999-10-12 19:11:10 C 00 27 04.95 +09 13 24.4 d 046
1999-10-13 06:08:00 C 00 26 03.87 +08 57 03.4 z 711
1999-10-13 06:15:04 C 00 26 03.21 +08 56 53.3 z 711
1999-10-13 06:22:00 C 00 26 02.52 +08 56 42.4 z 711
1999-10-13 22:42:02 C 00 24 33.14 +08 32 13.8 d 046
1999-10-13 22:46:13 C 00 24 32.66 +08 32 07.5 d 046
1999-11-04 12:03:16 C 23 50 02.64 -02 34 40.4 413
1999-11-04 12:07:09 C 23 50 02.48 -02 34 44.1 413
2000-07-07 08:33:06 C 00 08 58.40 +40 21 20.6 695
2000-07-07 08:36:19 C 00 08 58.27 +40 21 21.7 695
2000-07-07 08:40:00 C 00 08 58.19 +40 21 22.5 695
2000-07-25 22:05:01 C 23 50 56.18 +41 05 52.2 d 557
2000-07-25 22:08:23 C 23 50 56.06 +41 05 51.9 d 557
2000-07-25 22:15:06 C 23 50 55.53 +41 05 50.9 d 557
2000-07-25 22:18:27 C 23 50 55.38 +41 05 50.4 d 557
2000-08-01 01:16:20 C 23 40 21.68 +40 41 58.0 540
2000-08-01 01:22:40 C 23 40 21.04 +40 41 55.2 540
2000-08-01 01:29:09 C 23 40 20.47 +40 41 54.2 540
2000-09-03 14:06:57 C 22 17 10.63 +27 09 47.8 413
2000-09-03 14:09:15 C 22 17 10.41 +27 09 43.9 413
2000-09-03 23:12:18 C 22 16 19.26 +26 53 38.5 118
2001-08-14 04:03:19 C 15 38 15.28 +26 48 13.9 c 649
2001-08-14 04:08:17 C 15 38 16.60 +26 48 04.7 c 649
2001-08-14 04:13:14 C 15 38 18.04 +26 47 55.5 c 649
2001-08-14 04:18:10 C 15 38 19.22 +26 47 49.4 c 649
2006-09-27 11:16:15 C 06 33 01.25 +12 11 57.7 d 291
2006-09-27 11:27:32 C 06 33 02.75 +12 11 46.2 d 291