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7891 Fuchie (1994 VJ7)
Classification: Main-belt Asteroid          SPK-ID: 2007891
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1464283273146552 3.3965e-08  
a 2.278892837659151 6.2074e-09 au
q 1.945198371311374 7.686e-08 au
i 1.902428086140737 3.1079e-06 deg
node 303.3984655389606 0.00010862 deg
peri 62.805521261754 0.0001091 deg
M 194.8147053095976 1.1672e-05 deg
tp 2459577.071489899876
(2021-Dec-28.57148990)
4.1729e-05 TDB
period 1256.563041843309
3.44
5.1341e-06
1.406e-08
d
yr
n .2864957730030797 1.1706e-09 deg/d
Q 2.612587304006929 7.1163e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2456  
   data-arc span      23717 days (64.93 yr)  
   first obs. used      1955-05-23  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47401  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:51:49  

Additional Information
 Earth MOID = .944369 au 
 Jupiter MOID = 2.85013 au 
 T_jup = 3.592 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.7   n/a MPO502227  
diameter diameter 5.521 km 0.113 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.189   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

7891 Fuchie           Discovered 1994 Nov. 11 by M. Hirasawa and S. Suzuki at Nyukasa.
Named in honor of the Tokyo Metropolitan Fuchie Senior High School, where the first discoverer teaches astronomy and geology. Fuchie means the bank of a large river. This place has been called Fuchie for nearly a thousand years.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19980610/MPCPages.arcLast Updated: 2009-11-17

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Alternate Designations
 1994 VJ7 = 1972 HC1 = 1973 TF = 1980 TT8 = 1987 VU1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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