(9944) 1990 DA3

(9944) 1990 DA₃

Orbit of (9944) 1990 DA3 (blue), planet (red) and the Sun (black). The outermost planet visible is Jupiter.
Discovery
Discovered by	H. Debehogne
Discovery date	24 February 1990
Designations
MPC designation	(9944) 1990 DA3
Alternative names	1993 VD8, 1995 FT6
Orbital characteristics[1]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc	9741 days (26.67 yr)
Aphelion	2.9729880 AU (444.75267 Gm)
Perihelion	2.6958438 AU (403.29249 Gm)
Semi-major axis	2.8344159 AU (424.02258 Gm)
Eccentricity	0.048889
Orbital period	4.77 yr (1743.0 d)
Mean anomaly	226.58707°
Mean motion	0° 12^m 23.552^s / day
Inclination	3.164237°
Longitude of ascending node	116.96691°
Argument of perihelion	313.39495°
Earth MOID	1.71064 AU (255.908 Gm)
Jupiter MOID	2.16833 AU (324.378 Gm)
Physical characteristics
Surface temp. min mean max Kelvin Celsius
Spectral type	S-type asteroid[2]
Absolute magnitude (H)	13.3

(9944) 1990 DA₃ is an S-type main belt asteroid. It orbits the Sun once every 4.77 years.^[1]

Discovered on February 24, 1990, by H. Debehogne, it was given the provisional designation "1990 DA₃".^[3]

References

1. "JPL Small-Body Database Browser: 9944 (1990 DA3)". NASA/Jet Propulsion Laboratory. Retrieved 5 April 2016.
2. Gianluca Masi; Sergio Foglia & Richard P. Binzel. "Search for Unusual Spectroscopic Candidates Among 40313 minor planets from the 3rd Release of the Sloan Digital Sky Survey Moving Object Catalog".
3. MPO 73860 Minor Planet Center

External links

• (9944) 1990 DA3 at the JPL Small-Body Database

• Discovery · Orbit diagram · Orbital elements · Physical parameters