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
2017-10-13 06:30:00 C 00 35 19.83 +08 56 22.4 U 703
2017-10-13 06:44:11 C 00 35 18.39 +08 56 00.5 U 703
2017-10-13 06:51:14 C 00 35 17.71 +08 55 50.9 U 703
2017-10-15 05:55:43 C 00 30 55.58 +07 45 20.1 U G96
2017-10-15 06:03:19 C 00 30 54.84 +07 45 08.7 U G96
2017-10-15 06:10:50 C 00 30 54.13 +07 44 57.1 U G96
2017-10-15 06:18:19 C 00 30 53.42 +07 44 46.2 U G96
2017-10-16 05:03:09 C 00 28 49.74 +07 10 49.8 U 703
2017-10-16 05:10:52 C 00 28 49.02 +07 10 39.4 U 703
2017-10-16 05:18:36 C 00 28 48.27 +07 10 27.2 U 703
2017-10-16 05:26:17 C 00 28 47.51 +07 10 16.2 U 703
2017-10-23 08:30:38 C 00 14 32.231 +03 04 01.98 L F51
2017-10-23 09:09:54 C 00 14 29.099 +03 03 08.06 L F51
2017-10-23 09:27:19 C 00 14 27.716 +03 02 44.16 L F51
2017-10-23 09:44:48 C 00 14 26.330 +03 02 20.15 L F51
2017-10-24 04:56:12 C 00 13 01.05 +02 36 09.5 U G96
2017-10-24 05:03:46 C 00 13 00.46 +02 35 59.1 U G96
2017-10-24 05:11:14 C 00 12 59.88 +02 35 49.0 U G96
2017-10-24 05:18:43 C 00 12 59.31 +02 35 38.8 U G96
2017-11-20 03:43:08 C 23 48 54.21 -07 31 26.5 U G96
2017-11-20 03:51:26 C 23 48 54.17 -07 31 30.8 U G96
2017-11-20 03:59:43 C 23 48 54.11 -07 31 35.5 U G96
2017-11-20 04:07:57 C 23 48 54.05 -07 31 39.8 U G96
2018-06-23 10:06:11 C 00 12 46.48 +36 39 41.3 U G96
2018-06-23 10:13:09 C 00 12 46.48 +36 39 43.6 U G96
2018-06-23 10:20:07 C 00 12 46.47 +36 39 46.2 U G96
2018-06-23 10:27:05 C 00 12 46.52 +36 39 48.5 U G96
2018-08-21 13:45:54 C 23 06 02.62 +34 40 46.2 U T05
2018-08-21 13:54:26 C 23 06 01.72 +34 40 35.4 U T05
2018-08-21 14:12:52 C 23 05 59.73 +34 40 15.9 U T05
2018-08-21 14:13:31 C 23 05 59.65 +34 40 14.0 U T05
2018-09-01 00:23:44 C 22 38 51.42 +29 16 56.8 q C95
2018-09-01 00:40:09 C 22 38 49.73 +29 16 31.3 q C95
2018-09-01 00:56:34 C 22 38 47.90 +29 16 06.3 q C95
2018-09-06 05:03:15 C 22 26 23.68 +25 56 18.2 V 703
2018-09-06 05:11:28 C 22 26 22.90 +25 56 04.9 V 703
2018-09-06 05:19:39 C 22 26 21.99 +25 55 49.7 V 703
2018-09-08 05:06:04 C 22 21 56.57 +24 34 06.1 V G96
2018-09-08 05:13:30 C 22 21 55.88 +24 33 53.2 V G96
2018-09-08 05:20:55 C 22 21 55.17 +24 33 39.9 V G96
2018-09-08 05:28:20 C 22 21 54.48 +24 33 27.6 V G96
2018-09-09 04:56:21 C 22 19 49.33 +23 52 35.6 V G96
2018-09-09 05:03:47 C 22 19 48.65 +23 52 22.6 V G96
2018-09-09 05:11:12 C 22 19 47.97 +23 52 09.6 V G96
2018-09-09 05:18:37 C 22 19 47.27 +23 51 56.7 V G96
2018-09-15 05:17:51 C 22 08 21.66 +19 35 42.5 V 703
2018-09-15 05:34:09 C 22 08 20.50 +19 35 13.5 V 703
2018-09-15 05:42:19 C 22 08 19.92 +19 34 59.2 V 703
2018-09-28 06:09:44 C 21 52 28.90 +10 42 00.3 V 703
2018-09-28 06:17:21 C 21 52 28.68 +10 41 49.3 V 703