5474 Gingasen

5474 Gingasen
Discovery [1]
Discovered byT. Fujii
K. Watanabe
Discovery siteKitami Obs.
Discovery date3 December 1988
Designations
(5474) Gingasen
Named after
Gingasen
(railroad track, Japan) [2]
1988 XE1 · 1955 YK
1971 BO2
main-belt · Vestian [3]
Orbital characteristics [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc45.58 yr (16,649 days)
Aphelion2.5439 AU
Perihelion2.2232 AU
2.3836 AU
Eccentricity0.0673
3.68 yr (1,344 days)
219.47°
0° 16m 4.08s / day
Inclination6.1443°
246.97°
256.31°
Known satellites1 (suspected) [4][5]
(orbital period of 3.1095 h)
Physical characteristics
Dimensions5.05±0.48 km[6]
6.68 km (derived)[3]
2.91 h (superseded)[7]
3.6242±0.0003 h[4][a]
3.6272±0.0015 h[8]
3.628±0.005 h[9]
0.20 (assumed)[3]
0.480±0.109[6]
S [3]
12.70±0.2 (R)[4] · 12.79±0.10 (R)[a] · 12.886±0.002 (R)[8] · 12.90[6] · 13.1[1] · 13.14±0.35[10] · 13.28±0.112[3][11]

5474 Gingasen, provisional designation 1988 XE1, is a Vestian asteroid and suspected binary system[4] from the inner regions of the asteroid belt, approximately 6 kilometers in diameter.

It was discovered on 3 December 1988, by Japanese amateur astronomers Tetsuya Fujii and Kazuro Watanabe at Kitami Observatory, Japan.[12] It is named for the "Gingasen" railroad track in Japan.[2]

  1. ^ a b c Cite error: The named reference jpldata was invoked but never defined (see the help page).
  2. ^ a b Cite error: The named reference springer was invoked but never defined (see the help page).
  3. ^ a b c d e Cite error: The named reference lcdb was invoked but never defined (see the help page).
  4. ^ a b c d Cite error: The named reference Higgins-2008c was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference Johnston-binary was invoked but never defined (see the help page).
  6. ^ a b c Cite error: The named reference Masiero-2012 was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference geneva-obs was invoked but never defined (see the help page).
  8. ^ a b Cite error: The named reference Waszczak-2015 was invoked but never defined (see the help page).
  9. ^ Cite error: The named reference Sada-2008c was invoked but never defined (see the help page).
  10. ^ Cite error: The named reference Veres-2015 was invoked but never defined (see the help page).
  11. ^ Cite error: The named reference Pravec-2012b was invoked but never defined (see the help page).
  12. ^ Cite error: The named reference MPC-Gingasen was invoked but never defined (see the help page).


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