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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09694257129378453 6.2877e-08  
a 2.195072515074752 1.686e-08 AU
q 1.982276541287091 1.3473e-07 AU
i 5.708699482414701 7.285e-06 deg
node 115.1237075074917 6.7832e-05 deg
peri 137.7953215365623 7.9289e-05 deg
M 115.5126512784774 4.3402e-05 deg
tp 2456419.347488330972
(2013-May-06.84748833)
0.00014193 JED
period 1187.877714537544
3.25
1.3686e-05
3.747e-08
d
yr
n .3030614983295252 3.4917e-09 deg/d
Q 2.407868488862413 1.8494e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      988  
   data-arc span      12079 days (33.07 yr)  
   first obs. used      1980-03-15  
   last obs. used      2013-04-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57602  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 15:38:57  

Additional Information
 Earth MOID = .971467 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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