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
2021-05-31 21:04:02 s 1 +82522.334 0 +373373.44 3110.0 C57
2021-05-31 21:14:01 S 17 22 53.604 -44 38 33.18 V C57
2021-05-31 21:14:01 s 1 +82188.427 0 +373613.90 6900.0 C57
2021-05-31 21:24:02 S 17 22 50.621 -44 38 10.64 V C57
2021-05-31 21:24:02 s 1 +81854.306 0 +373853.42 270.0 C57
2021-05-31 21:34:01 S 17 22 47.765 -44 37 46.16 V C57
2021-05-31 21:34:01 s 1 +81519.971 0 +374091.98 3240.0 C57
2021-05-31 21:44:02 S 17 22 44.885 -44 37 27.08 V C57
2021-05-31 21:44:02 s 1 +81185.423 0 +374329.60 5810.0 C57
2021-05-31 21:54:01 S 17 22 41.678 -44 37 03.04 V C57
2021-05-31 21:54:01 s 1 +80850.664 0 +374566.28 7980.0 C57
2021-05-31 22:04:02 S 17 22 38.849 -44 36 41.65 V C57
2021-05-31 22:04:02 s 1 +80515.695 0 +374802.01 9760.0 C57
2021-05-31 22:14:01 S 17 22 35.786 -44 36 19.33 V C57
2021-05-31 22:14:01 s 1 +80180.517 0 +375036.80 1150.0 C57
2021-05-31 22:24:02 S 17 22 32.887 -44 35 57.08 V C57
2021-05-31 22:24:02 s 1 +79845.131 0 +375270.64 2140.0 C57
2021-05-31 22:34:02 S 17 22 29.839 -44 35 34.58 V C57
2021-05-31 22:34:02 s 1 +79509.538 0 +375503.54 2750.0 C57
2021-05-31 22:44:01 S 17 22 26.818 -44 35 12.73 V C57
2021-05-31 22:44:01 s 1 +79173.739 0 +375735.50 2970.0 C57
2021-05-31 22:54:02 S 17 22 23.810 -44 34 49.98 V C57
2021-05-31 22:54:02 s 1 +78837.735 0 +375966.52 2810.0 C57
2021-05-31 23:04:01 S 17 22 20.880 -44 34 27.12 V C57
2021-05-31 23:04:01 s 1 +78501.528 0 +376196.59 2280.0 C57
2021-05-31 23:14:02 S 17 22 17.863 -44 34 05.56 V C57
2021-05-31 23:14:02 s 1 +78165.118 0 +376425.73 1360.0 C57
2021-06-01 00:34:01 S 17 21 54.312 -44 31 08.11 V C57
2021-06-01 00:34:01 s 1 +75466.677 0 +378225.00 830.0 C57
2021-06-01 00:44:02 S 17 21 51.355 -44 30 45.97 V C57
2021-06-01 00:44:02 s 1 +75128.493 0 +378445.69 6640.0 C57
2021-06-01 00:54:01 S 17 21 48.487 -44 30 23.36 V C57
2021-06-01 00:54:01 s 1 +74790.117 0 +378665.44 2110.0 C57
2021-06-01 01:04:02 S 17 21 45.674 -44 30 03.06 V C57
2021-06-01 01:04:02 s 1 +74451.550 0 +378884.27 7230.0 C57
2021-06-01 01:14:01 S 17 21 42.511 -44 29 40.38 V C57
2021-06-01 01:14:01 s 1 +74112.793 0 +379102.15 2010.0 C57
2021-06-01 01:24:01 S 17 21 40.073 -44 29 19.68 V C57
2021-06-01 01:24:01 s 1 +73773.848 0 +379319.10 6440.0 C57
2021-06-01 02:14:02 S 17 21 24.938 -44 27 27.07 V C57
2021-06-01 02:14:02 s 1 +72076.330 0 +380389.87 3570.0 C57
2021-06-01 02:24:01 S 17 21 21.982 -44 27 05.00 V C57
2021-06-01 02:24:01 s 1 +71736.275 0 +380601.23 6010.0 C57
2021-06-01 02:34:02 S 17 21 19.008 -44 26 42.11 V C57
2021-06-01 02:34:02 s 1 +71396.038 0 +380811.66 8120.0 C57
2021-06-01 02:44:01 S 17 21 16.176 -44 26 21.48 V C57
2021-06-01 02:44:01 s 1 +71055.622 0 +381021.16 9910.0 C57
2021-06-01 02:54:01 S 17 21 13.246 -44 25 58.15 V C57
2021-06-01 02:54:01 s 1 +70715.026 0 +381229.73 1380.0 C57
2021-06-01 03:14:01 S 17 21 07.411 -44 25 14.77 V C57