2090 Mizuho

2090 Mizuho
Discovery [1]
Discovered byT. Urata
Discovery siteYakiimo Stn.
Discovery date12 March 1978
Designations
(2090) Mizuho
Named after
Mizuho Urata
(daughter of discoverer)[2]
1978 EA · 1937 RE
1942 PG · 1951 EH
1952 HA4 · 1953 RT
1953 TP · 1959 VD
1964 TE · 1970 WV
1978 EJ
main-belt · (outer) [3]
Orbital characteristics [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc66.14 yr (24,157 days)
Aphelion3.4819 AU
Perihelion2.6635 AU
3.0727 AU
Eccentricity0.1332
5.39 yr (1,967 days)
337.47°
0° 10m 58.8s / day
Inclination11.814°
339.85°
341.20°
Physical characteristics
Dimensions17.991±0.141[4]
18.185±0.117 km[5]
18.92±0.79 km[6]
35.28 km (calculated)[3]
5.47±0.01 h[7]
0.057 (assumed)[3]
0.207±0.019[6]
0.2154±0.0435[5]
0.219±0.029[4]
Tholen = S [1] · S [3]
B–V = 0.871[1]
U–B = 0.499[1]
10.99[1][3][5][6]

2090 Mizuho, provisional designation 1978 EA, is a stony asteroid from the outer region of the asteroid belt, approximately 18 kilometers in diameter.

The asteroid was discovered on 12 March 1978, by Japanese astronomer Takeshi Urata at the JCPM Yakiimo Station in Shimizu, Japan, who named it after his daughter, Mizuho Urata.[8]

  1. ^ a b c d e f Cite error: The named reference jpldata was invoked but never defined (see the help page).
  2. ^ 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 Cite error: The named reference Masiero-2011 was invoked but never defined (see the help page).
  5. ^ a b c Cite error: The named reference WISE was invoked but never defined (see the help page).
  6. ^ a b c Cite error: The named reference AKARI was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference Brinsfield-2010f was invoked but never defined (see the help page).
  8. ^ Cite error: The named reference MPC-Mizuho was invoked but never defined (see the help page).