9998 ISO

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9998 ISO
AnimatedOrbitOf9998ISO.gif
Orbit of 9998 ISO (blue), planets (red) [outermost shown is Jupiter], and the Sun (black).
Discovery[1] and designation
Discovered by C. J. van Houten, I. van Houten-Groeneveld, and T. Gehrels
Discovery date March 25, 1971
Designations
Named after
Infrared Space Observatory[2]
1293 T-1, 1991 PW15
Orbital characteristics
Epoch October 27, 2007
Aphelion 2.3642513 AU
Perihelion 1.9577873 AU
2.1610193 AU
Eccentricity 0.0940445
1160.3430335 d
350.83002°
Inclination 3.91429°
345.10618°
33.12896°
Physical characteristics
Surface temp. min mean max
Kelvin
Celsius
15.2

9998 ISO is a main belt asteroid. It completes one solar orbit every 3.18 years.

Discovered on March 25, 1971 by C. J. van Houten & I. van Houten-Groeneveld on archival images taken by T. Gehrels, the body was given a provisional designation of 1293 T-1.[1][3] It was later renamed 9998 ISO to honour the Infrared Space Observatory.[2]

References[edit]

  1. ^ a b "Discovery Circumstances: Numbered Minor Planets (5001)-(10000)". Minor Planet Center. Retrieved November 6, 2013. 
  2. ^ a b "Citation for (9998)". MPC 41571. Retrieved November 6, 2013. 
  3. ^ "9998 ISO (1293 T-1)". JPL Small-Body Database Browser.