1999 TN13

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5262711005 ± 2.00e+00
Semi-major axis (a)2.0316608613 AU ± 3.00e+00
Inclination (i)9.49288784° ± 4.00e+00
Long. of Asc. Node (Ω)202.17818711° ± 5.00e+00
Arg. of Perihelion (ω)217.30221954° ± 6.00e+00
Mean Anomaly (M)353.27994305° ± 1.15e-02
Mean Motion (n)0.3403576017°/day ± 7.54e-01
Perihelion dist (q)0.96245646 AU ± 4.30e+00
Aphelion dist (Q)3.10086526 AU ± 6.12e+00
Orbital Period2.89585506 yr ± 6.41e+00
Physical Parameters
H (abs. magnitude)23.60
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-27
RMS Residual0.651″
Uncertainty2
Orbit TypeApollo
MOID0.023873 AU
Observations Used69
Oppositions1
Arc Total1999-1999
First Observation Used1999-10-12
Last Observation Used1999-10-18
Observations (71)
Date Type RA Dec Mag Band Observatory
1999-10-18 00:22:45 C 03 36 54.26 +05 12 21.0 d 046
1999-10-18 00:26:13 C 03 36 59.92 +05 11 36.6 d 046
1999-10-18 00:27:08 C 03 37 01.39 +05 11 26.8 d 046
1999-10-18 06:13:02 C 03 46 50.89 +04 00 02.7 m 853
1999-10-18 06:15:28 C 03 46 54.89 +03 59 32.1 m 853
1999-10-18 06:16:31 C 03 46 56.66 +03 59 18.0 m 853
1999-10-18 06:17:37 C 03 46 58.47 +03 59 04.5 m 853
1999-10-18 07:26:36 C 03 48 46.91 +03 43 59.1 734
1999-10-18 07:28:05 C 03 48 49.73 +03 43 41.0 734
1999-10-18 07:29:27 C 03 48 51.49 +03 43 27.4 734
1999-10-18 07:31:27 C 03 48 54.94 +03 42 57.0 734
1999-10-18 07:32:51 C 03 48 57.14 +03 42 41.5 734
1999-10-18 09:09:38 C 03 51 39.41 +03 22 22.9 i 714
1999-10-18 09:11:59 C 03 51 43.62 +03 21 50.0 i 714
1999-10-18 09:40:21 C 03 52 31.62 +03 15 45.0 i 670
1999-10-18 09:41:22 C 03 52 33.27 +03 15 31.3 i 670
1999-10-18 23:37:51 C 04 16 39.62 +00 11 15.9 d 046
1999-10-18 23:38:59 C 04 16 41.50 +00 11 00.7 d 046
1999-10-18 23:39:55 C 04 16 43.02 +00 10 48.8 d 046
1999-10-18 23:41:07 C 04 16 45.17 +00 10 32.6 d 046
1999-10-18 23:42:20 C 04 16 47.17 +00 10 16.0 d 046
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
1999-10-18 05:44:00 34413 1 Hz 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)