9998 ISO

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9998 ISO
File:AnimatedOrbitOf9998ISO.gif
Orbit of 9998 ISO (blue), planets (red) [outermost shown is Jupiter], and the Sun (black).
Discovery[1]
Discovered by C. J. van Houten, I. van Houten-Groeneveld, and T. Gehrels
Discovery date 25 March 1971
Designations
Named after
 Infrared Space Observatory[2]
1293 T-1, 1991 PW15
Orbital characteristics[3]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc 22490 days (61.57 yr)
Aphelion 2.3654507 AU (353.86639 Gm)
Perihelion 1.9565241 AU (292.69184 Gm)
2.1609874 AU (323.27911 Gm)
Eccentricity 0.0946157
3.18 yr (1160.3 d)
201.40965°
Inclination 3.912471°
345.05820°
33.18077°
Earth MOID 0.957306 AU (143.2109 Gm)
Jupiter MOID 3.00049 AU (448.867 Gm)
Physical characteristics
Surface temp. min mean max
Kelvin
Celsius
15.0

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][4] It was later renamed 9998 ISO to honour the Infrared Space Observatory.[2]

References

  1. ↑ 1.0 1.1 Lua error in package.lua at line 80: module 'strict' not found.
  2. ↑ 2.0 2.1 Lua error in package.lua at line 80: module 'strict' not found.
  3. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  4. ↑ "9998 ISO (1293 T-1)". JPL Small-Body Database Browser.

External links


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