9950 ESA

9950 ESA

Orbit of 9950 ESA (blue), planets (red) and the Sun (black). The outermost planet visible is Jupiter.
Discovery
Discovered by C. Pollas
Discovery date 8 November 1990
Designations
MPC designation (9950) ESA
Named after
 European Space Agency
1990 VB
Orbital characteristics[1]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc 9286 days (25.42 yr)
Aphelion 3.737064922180292 AU (559.05695502583 Gm)
Perihelion 1.14092137083548 AU (170.67940771311 Gm)
2.43899314650789 AU (364.86818136947 Gm)
Eccentricity 0.532216245679477
3.81 yr (1391.3 d)
222.4941661252860°
0° 15m 31.517s / day
Inclination 14.58410510446003°
253.5630393174880°
103.4590154541560°
Earth MOID 0.281313 AU (42.0838 Gm)
Jupiter MOID 2.09281 AU (313.080 Gm)
Jupiter Tisserand parameter 3.255
Physical characteristics
Dimensions ~3km[2]
6.712 h (0.2797 d)
Surface temp. min mean max
Kelvin
Celsius
16.2

    9950 ESA is an Amor asteroid. It orbits the Sun once every 3.81 years.[1]

    Discovered on November 8, 1990, by C. Pollas it was given the provisional designation "1990 VB". It was later renamed "ESA" after the European Space Agency.[3]

    References

    1. 1 2 "9950 ESA (1990 VB)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 13 April 2016.
    2. ↑ Harris, A. W.; Zappalá, V. (June 1991). "Photoelectric Photometry Opportunities: May–July". The Minor Planet Bulletin. 18: 20. Bibcode:1991MPBu...18...20H.
    3. ↑ MPC 55720 Minor Planet Center
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