7449 Döllen

1949 QL
Discovery
Discovered by	K. Reinmuth
Discovery site	Heidelberg
Discovery date	21 August 1949
Designations
MPC designation	(7449) 1949 QL
Alternative designations	1949 QZ, 1969 TV3
Minor planet category	main belt asteroid
Orbital characteristics^[1]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc	23659 days (64.77 yr)
Aphelion	2.6606794 AU (398.03197 Gm)
Perihelion	1.7837030 AU (266.83817 Gm)
Semi-major axis	2.2221912 AU (332.43507 Gm)
Eccentricity	0.1973224
Orbital period	3.31 yr (1210.0 d)
Mean anomaly	352.23715°
Mean motion	0° 17^m 51.111^s / day
Inclination	6.270421°
Longitude of ascending node	335.78128°
Argument of perihelion	25.98273°
Earth MOID	0.780837 AU (116.8116 Gm)
Jupiter MOID	2.78893 AU (417.218 Gm)
Jupiter Tisserand parameter	3.615
Physical characteristics
Rotation period	10 h (0.42 d)
Absolute magnitude (H)	14.3

7449 Döllen (provisional designation: 1949 QL) is a main-belt minor planet. It was discovered by Karl Wilhelm Reinmuth at the Heidelberg-Königstuhl State Observatory in Heidelberg, Germany, on April 21, 1949. It is named for Johann Heinrich Wilhelm Döllen, a 19th-century astronomer at the Dorpat (Tartu) and Pulkovo observatories.

References

Minor planets navigator
7448 Pöllath 7449 Döllen 7450 Shilling

Designation Groups List Moon Meanings of names
Asteroid	Aten asteroid Asteroid belt Family Jupiter trojan Near-Earth Spectral types
Distant minor planet	Centaur Damocloid Neptune trojan Trans-Neptunian object Detached Kuiper belt Oort cloud Scattered disc

Other

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