7803 Adachi

7803 Adachi
Discovery [1]
Discovered byT. Kobayashi
Discovery siteŌizumi Obs.
Discovery date4 March 1997
Designations
(7803) Adachi
Named after
Makoto Adachi [1]
(amateur astronomer)
1997 EW2 · 1973 AA3
1976 UY17 · 1978 EM1
1992 CF2
main-belt [1][2] · (middle)
Agnia [3]
Orbital characteristics [2]
Epoch 23 March 2018 (JD 2458200.5)
Uncertainty parameter 0
Observation arc63.96 yr (23,363 d)
Aphelion2.9253 AU
Perihelion2.6459 AU
2.7856 AU
Eccentricity0.0502
4.65 yr (1,698 d)
239.11°
0° 12m 43.2s / day
Inclination4.9969°
110.63°
8.8759°
Physical characteristics
Dimensions6.359±0.129 km[4][5]
10.31 km (calculated)[6]
5.1966±0.0082 h[7]
0.057 (assumed)[6]
0.251±0.055[4][5]
S [8] · C (generic)[6]
13.1[4] · 13.212±0.005 (R)[7] · 13.3[2] · 13.65±0.27[8] · 13.66[6]

7803 Adachi, provisional designation 1997 EW2, is a stony Agnia asteroid from the middle region of the asteroid belt, approximately 6.4 kilometers (4 miles) in diameter. The asteroid was discovered on 4 March 1997, by Japanese amateur astronomer Takao Kobayashi at the Ōizumi Observatory in central Japan. It was named for Japanese amateur astronomer Makoto Adachi.[1] The S-type asteroid has a rotation period of 5.2 hours.[6]

  1. ^ a b c d Cite error: The named reference MPC-object was invoked but never defined (see the help page).
  2. ^ a b c Cite error: The named reference jpldata was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference Ferret was invoked but never defined (see the help page).
  4. ^ a b c Cite error: The named reference WISE was invoked but never defined (see the help page).
  5. ^ a b Cite error: The named reference Masiero-2011 was invoked but never defined (see the help page).
  6. ^ a b c d e Cite error: The named reference lcdb was invoked but never defined (see the help page).
  7. ^ a b Cite error: The named reference Waszczak-2016 was invoked but never defined (see the help page).
  8. ^ a b Cite error: The named reference Veres-2015 was invoked but never defined (see the help page).