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7185 (1991 VN1)
Classification: Main-belt Asteroid          SPK-ID: 2007185
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09690714553982566 6.129e-08  
a 2.195042179572592 1.6166e-08 AU
q 1.982326907610695 1.3066e-07 AU
i 5.708689407099595 7.1095e-06 deg
node 115.1238927345637 6.3504e-05 deg
peri 137.7467871069298 7.4223e-05 deg
M 176.1846267854366 4.0154e-05 deg
tp 2456419.162629499263
(2013-May-06.66262950)
0.0001308 JED
period 1187.85309024229
3.25
1.3122e-05
3.593e-08
d
yr
n .3030677808200757 3.348e-09 deg/d
Q 2.407757451534489 1.7733e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      988  
   data-arc span      12556 days (34.38 yr)  
   first obs. used      1980-03-15  
   last obs. used      2014-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53578  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:10:00  

Additional Information
 Earth MOID = .97324 AU 
 T_jup = 3.657 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.6 mag n/a MPO259391  

7185 (1991 VN1)          Discovered 1991-Nov-04 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1991 VN1 = 1980 EE1 = 1993 DF1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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