1999 TT16

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6631598353 ± 8.09e-08
Semi-major axis (a)2.1567885373 AU ± 3.26e-08
Inclination (i)1.98749051° ± 6.42e-06
Long. of Asc. Node (Ω)327.10594893° ± 3.10e-04
Arg. of Perihelion (ω)149.65360329° ± 3.04e-04
Mean Anomaly (M)48.10354057° ± 1.46e-05
Mean Motion (n)0.3111722973°/day ± 7.06e-09
Perihelion dist (q)0.72649301 AU ± 1.75e-07
Aphelion dist (Q)3.58708407 AU ± 1.83e-07
Orbital Period3.16746154 yr ± 7.19e-08
Physical Parameters
H (abs. magnitude)19.94
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.487″
Uncertainty0
Orbit TypeApollo
MOID0.022753 AU
Observations Used471
Oppositions14
Arc Total1999-2019
First Observation Used1999-10-09
Last Observation Used2019-05-27
Observations (800)
Date Type RA Dec Mag Band Observatory
1999-10-09 05:03:08 C 23 16 55.82 -01 22 25.2 b 691
1999-10-09 05:34:28 C 23 16 52.80 -01 22 40.6 b 691
1999-10-09 06:05:33 C 23 16 49.80 -01 22 56.2 b 691
1999-10-10 03:49:43 C 23 14 49.09 -01 33 49.4 b 691
1999-10-10 03:56:51 C 23 14 48.37 -01 33 52.4 b 691
1999-10-10 04:04:54 C 23 14 47.69 -01 33 57.7 b 691
1999-10-13 03:38:45 C 23 08 11.04 -02 09 43.5 b 691
1999-10-13 03:49:20 C 23 08 10.01 -02 09 47.9 b 691
1999-10-13 04:00:26 C 23 08 08.94 -02 09 52.7 b 691
1999-10-13 04:32:26 C 23 08 05.82 -02 10 10.2 z 711
1999-10-13 04:46:00 C 23 08 04.56 -02 10 17.7 z 711
1999-10-13 04:59:38 C 23 08 03.10 -02 10 23.6 z 711
1999-10-15 05:26:20 C 23 03 38.53 -02 34 17.4 z 711
1999-10-15 05:40:10 C 23 03 37.13 -02 34 26.2 z 711
1999-10-15 05:54:04 C 23 03 35.99 -02 34 32.0 z 711
1999-10-15 06:38:40 C 23 03 31.79 -02 34 54.0 b 691
1999-10-15 06:47:06 C 23 03 31.00 -02 34 57.8 b 691
1999-10-15 06:57:46 C 23 03 30.03 -02 35 03.1 b 691
1999-10-15 14:36:11 C 23 02 48.53 -02 38 31.0 413
1999-10-15 14:39:13 C 23 02 48.24 -02 38 32.6 413
1999-10-16 05:34:23 C 23 01 28.52 -02 46 01.7 z 711
1999-10-16 05:34:58 C 23 01 28.58 -02 46 07.5 c 658
1999-10-16 05:42:48 C 23 01 27.83 -02 46 10.6 c 658
1999-10-16 05:48:59 C 23 01 27.11 -02 46 08.8 z 711
1999-10-16 05:50:23 C 23 01 27.09 -02 46 12.3 c 658
1999-10-16 06:03:36 C 23 01 25.50 -02 46 18.1 z 711
1999-10-16 11:29:18 C 23 00 56.91 -02 48 39.7 413
1999-10-16 11:32:21 C 23 00 56.60 -02 48 41.7 413
1999-10-18 03:19:54 C 22 57 26.12 -03 08 02.5 c 658
1999-10-18 03:31:13 C 22 57 25.16 -03 08 08.2 c 658
1999-10-18 03:36:21 C 22 57 24.76 -03 08 11.5 c 658
1999-10-23 02:58:22 C 22 47 23.23 -04 02 26.0 m 697
1999-10-23 03:01:24 C 22 47 22.96 -04 02 27.9 m 697
1999-10-30 02:32:21 C 22 35 00.80 -05 09 01.3 b 691
1999-10-30 02:37:49 C 22 35 00.35 -05 09 03.4 b 691
1999-10-30 02:48:55 C 22 34 59.72 -05 09 05.9 b 691
1999-11-02 11:04:54 C 22 29 54.30 -05 35 55.2 413
1999-11-02 11:07:55 C 22 29 54.09 -05 35 55.9 413
1999-11-02 11:12:16 C 22 29 53.94 -05 35 57.8 413
2015-10-27 13:41:05 S 08 36 16.29 +29 46 11.8 L C51
2015-10-27 16:49:58 S 08 38 37.85 +29 37 49.4 L C51
2015-10-27 18:24:24 S 08 39 48.51 +29 33 34.5 L C51
2015-10-27 21:33:27 S 08 42 09.73 +29 24 57.4 L C51
2019-04-02 12:15:07 C 13 50 05.71 -36 07 05.7 V T08
2019-04-02 12:40:23 C 13 49 55.75 -36 03 34.4 V T08
2019-04-02 12:52:59 C 13 49 50.84 -36 01 48.9 V T08
2019-04-02 23:30:19 C 13 46 35.79 -34 36 42.9 q Y00
2019-04-02 23:31:53 C 13 46 35.19 -34 36 32.1 q Y00
2019-04-02 23:33:26 C 13 46 34.76 -34 36 21.0 q Y00
2019-04-02 23:34:48 C 13 46 34.29 -34 36 11.5 q Y00