IAA RAS IAA Minor Planet Database

1999 TW16

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7347679379 ± 1.56e-07
Semi-major axis (a)1.4240633054 AU ± 9.76e-10
Inclination (i)34.68511422° ± 1.69e-05
Long. of Asc. Node (Ω)28.16194552° ± 4.20e-06
Arg. of Perihelion (ω)134.82477553° ± 1.65e-05
Mean Anomaly (M)89.15326396° ± 6.77e-06
Mean Motion (n)0.5799870976°/day ± 5.96e-10
Perihelion dist (q)0.37770725 AU ± 2.23e-07
Aphelion dist (Q)2.47041936 AU ± 2.23e-07
Orbital Period1.69939346 yr ± 1.75e-09
Physical Parameters
H (abs. magnitude)19.51
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.302″
Uncertainty0
Orbit TypeApollo
MOID0.151986 AU
Observations Used182
Oppositions9
Arc Total1999-2021
First Observation Used1999-10-13
Last Observation Used2021-12-03
Observations (198)
Date Type RA Dec Mag Band Observatory
2016-10-05 12:09:04 C 04 01 32.10 +20 27 50.9 – q G96
2016-10-05 12:09:42 C 04 01 32.11 +20 27 51.8 – q G96
2016-10-05 12:10:20 C 04 01 32.12 +20 27 52.9 – q G96
2016-10-05 12:10:58 C 04 01 32.11 +20 27 54.2 – q G96
2016-10-05 12:11:38 C 04 01 32.14 +20 27 55.3 – q G96
2016-10-05 12:12:18 C 04 01 32.13 +20 27 56.6 – q G96
2016-10-05 12:12:59 C 04 01 32.15 +20 27 57.8 – q G96
2016-10-05 12:13:39 C 04 01 32.14 +20 27 59.0 – q G96
2016-10-07 10:42:50 C 04 02 12.169 +21 57 41.22 – L F51
2016-10-07 11:01:34 C 04 02 12.314 +21 58 20.16 – L F51
2016-10-07 11:20:20 C 04 02 12.446 +21 58 59.31 – L F51
2016-10-07 11:39:08 C 04 02 12.582 +21 59 38.49 – L F51
2016-10-10 09:09:55 C 04 02 50.89 +24 40 14.4 – q 703
2016-10-10 09:18:36 C 04 02 50.85 +24 40 36.3 – q 703
2016-10-10 09:27:17 C 04 02 50.89 +24 40 59.1 – q 703
2016-10-10 09:35:57 C 04 02 50.91 +24 41 21.3 – q 703
2016-10-11 11:30:28 C 04 02 57.45 +25 51 14.7 – q G96
2016-10-11 11:34:33 C 04 02 57.44 +25 51 26.1 – q G96
2016-10-11 11:42:43 C 04 02 57.43 +25 51 49.1 – q G96
2016-10-22 21:31:32 C 03 55 25.11 +48 51 17.6 – q Z80
2016-10-22 21:38:35 C 03 55 24.38 +48 52 19.9 – q Z80
2016-10-22 21:45:38 C 03 55 23.66 +48 53 19.8 – q Z80
2016-10-25 10:32:28 C 03 46 29.80 +58 46 48.8 – L T05
2016-10-25 10:58:54 C 03 46 23.38 +58 51 42.4 – L T05
2016-10-25 11:17:52 C 03 46 18.73 +58 55 12.8 – L T05
2016-10-25 11:42:02 C 03 46 12.79 +58 59 40.2 – L T05
2016-10-28 20:29:24 C 03 01 15.05 +75 58 12.7 – v I76
2016-10-28 20:37:04 C 03 01 04.56 +75 59 59.1 – v I76
2016-10-28 20:44:48 C 03 00 53.80 +76 01 46.6 – v I76
2016-10-28 21:27:49 C 02 59 50.38 +76 11 45.2 – q K38
2016-10-28 21:34:35 C 02 59 40.60 +76 13 18.4 – q K38
2016-10-28 21:41:21 C 02 59 30.80 +76 14 51.4 – q K38
2016-10-28 21:48:07 C 02 59 20.98 +76 16 24.8 – q K38
2016-10-28 21:54:53 C 02 59 11.00 +76 17 58.0 – q K38
2016-10-28 22:01:39 C 02 59 01.06 +76 19 31.0 – q K38
2016-10-28 22:08:25 C 02 58 51.03 +76 21 04.1 – q K38
2016-10-29 17:47:25 C 02 16 26.82 +80 45 10.1 – q 157
2016-10-29 17:48:29 C 02 16 23.34 +80 45 24.4 – q 157
2016-10-29 17:49:33 C 02 16 19.66 +80 45 37.9 – q 157
2016-10-29 17:50:37 C 02 16 16.37 +80 45 51.9 – q 157
2016-10-29 20:57:17 C 02 05 17.00 +81 26 05.3 – q C77
2016-10-29 21:01:38 C 02 05 00.22 +81 27 01.2 – q C77
2016-10-29 21:04:08 C 02 04 50.82 +81 27 32.6 – q C77
2016-10-29 21:06:26 C 02 04 41.90 +81 28 02.0 – q C77
2016-11-07 17:56:29 C 16 41 21.57 +48 53 45.4 – U 204
2016-11-07 18:06:05 C 16 41 20.37 +48 52 13.1 – U 204
2016-11-07 18:15:59 C 16 41 19.07 +48 50 37.3 – U 204
2016-11-07 18:24:49 C 16 41 17.97 +48 49 12.4 – U 204
2021-09-15 11:31:38 C 02 37 49.475 -03 27 53.13 – U F52
2021-09-15 12:06:24 C 02 37 48.015 -03 27 58.37 – U F52