408752 (1991 TB2)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7923427538 ± 2.63e-08
Semi-major axis (a)2.0455116665 AU ± 8.47e-09
Inclination (i)7.92973060° ± 4.53e-06
Long. of Asc. Node (Ω)291.88268535° ± 2.63e-05
Arg. of Perihelion (ω)199.40451026° ± 2.67e-05
Mean Anomaly (M)212.92918717° ± 6.36e-06
Mean Motion (n)0.3369064573°/day ± 2.09e-09
Perihelion dist (q)0.42476532 AU ± 5.39e-08
Aphelion dist (Q)3.66625801 AU ± 5.60e-08
Orbital Period2.92551912 yr ± 1.82e-08
Physical Parameters
H (abs. magnitude)17.23
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.816″
Uncertainty0
Orbit TypeApollo
MOID0.110734 AU
Observations Used2480
Oppositions22
Arc Total1991-2024
First Observation Used1991-09-15
Last Observation Used2024-07-09
Observations (4916)
Date Type RA Dec Mag Band Observatory
2021-06-13 04:34:01 s 1 +172739.60 7 +240212.88 2600.0 C57
2021-06-13 04:44:01 S 16 26 22.063 -35 50 21.70 V C57
2021-06-13 04:44:01 s 1 +172563.48 1 +240810.30 5780.0 C57
2021-06-13 04:54:01 S 16 26 21.209 -35 50 03.77 V C57
2021-06-13 04:54:01 s 1 +172386.42 2 +241406.42 6750.0 C57
2021-06-13 05:04:01 S 16 26 20.328 -35 49 51.74 V C57
2021-06-13 05:04:01 s 1 +172208.43 5 +242001.24 5520.0 C57
2021-06-13 05:14:01 S 16 26 19.291 -35 49 36.77 V C57
2021-06-13 05:14:01 s 1 +172029.52 4 +242594.78 2100.0 C57
2021-06-13 05:24:01 S 16 26 18.401 -35 49 20.06 V C57
2021-06-13 05:24:01 s 1 +171849.69 4 +243187.02 6500.0 C57
2021-06-13 05:34:01 S 16 26 17.515 -35 49 07.03 V C57
2021-06-13 05:34:01 s 1 +171668.94 8 +243777.98 8730.0 C57
2021-06-13 05:44:01 S 16 26 16.553 -35 48 52.34 V C57
2021-06-13 05:44:01 s 1 +171487.29 2 +244367.65 8800.0 C57
2021-06-13 05:54:01 S 16 26 15.456 -35 48 37.55 V C57
2021-06-13 05:54:01 s 1 +171304.72 9 +244956.04 6730.0 C57
2021-06-13 06:04:01 S 16 26 14.743 -35 48 24.62 V C57
2021-06-13 06:04:01 s 1 +171121.26 3 +245543.14 2520.0 C57
2021-06-13 06:14:01 S 16 26 13.486 -35 48 12.42 V C57
2021-06-13 06:14:01 s 1 +170936.89 9 +246128.96 6180.0 C57
2021-06-13 06:24:01 S 16 26 12.744 -35 47 54.89 V C57
2021-06-13 06:24:01 s 1 +170751.64 1 +246713.49 7730.0 C57
2021-06-13 06:34:01 S 16 26 11.770 -35 47 41.86 V C57
2021-06-13 06:34:01 s 1 +170565.49 4 +247296.76 7170.0 C57
2021-06-13 06:44:01 S 16 26 10.740 -35 47 27.96 V C57
2021-06-13 06:44:01 s 1 +170378.46 0 +247878.74 4520.0 C57
2021-06-13 06:54:01 S 16 26 09.890 -35 47 12.59 V C57
2021-06-13 06:54:01 s 1 +170190.54 5 +248459.45 9790.0 C57
2021-06-13 07:04:01 S 16 26 08.743 -35 46 58.80 V C57
2021-06-13 07:04:01 s 1 +170001.75 3 +249038.88 2980.0 C57
2021-06-13 07:14:01 S 16 26 08.095 -35 46 45.37 V C57
2021-06-13 07:14:01 s 1 +169812.08 7 +249617.04 4110.0 C57
2021-06-13 07:24:01 S 16 26 06.979 -35 46 28.78 V C57
2021-06-13 07:24:01 s 1 +169621.55 1 +250193.93 3190.0 C57
2021-06-13 07:34:01 S 16 26 06.233 -35 46 16.72 V C57
2021-06-13 07:34:01 s 1 +169430.15 1 +250769.55 220.0 C57
2021-06-13 07:44:01 S 16 26 05.050 -35 46 01.27 V C57
2021-06-13 07:44:01 s 1 +169237.88 9 +251343.90 5230.0 C57
2021-06-13 07:54:01 S 16 26 04.318 -35 45 48.56 V C57
2021-06-13 07:54:01 s 1 +169044.77 0 +251916.99 8210.0 C57
2021-06-13 08:04:01 S 16 26 03.247 -35 45 30.56 V C57
2021-06-13 08:04:01 s 1 +168850.79 7 +252488.81 9180.0 C57
2021-06-13 08:14:01 S 16 26 02.328 -35 45 18.58 V C57
2021-06-13 08:14:01 s 1 +168655.97 5 +253059.36 8150.0 C57
2021-06-13 08:44:01 S 16 25 59.657 -35 44 32.93 V C57
2021-06-13 08:44:01 s 1 +168066.45 1 +254763.47 3140.0 C57
2021-06-13 08:54:01 S 16 25 58.582 -35 44 23.96 V C57
2021-06-13 08:54:01 s 1 +167868.27 0 +255328.99 4200.0 C57
2021-06-13 09:04:01 S 16 25 57.542 -35 44 09.31 V C57