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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09690714010532203 6.1136e-08  
a 2.195042165642521 1.39e-08 AU
q 1.982326906959511 1.305e-07 AU
i 5.708692921546437 6.1887e-06 deg
node 115.12392918988 5.5099e-05 deg
peri 137.7467844168821 6.4216e-05 deg
M 176.1846043569012 3.7891e-05 deg
tp 2456419.162709038159
(2013-May-06.66270904)
0.00012202 JED
period 1187.853078934846
3.25
1.1283e-05
3.089e-08
d
yr
n .303067783705047 2.8788e-09 deg/d
Q 2.40775742432553 1.5247e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1220  
   data-arc span      12796 days (35.03 yr)  
   first obs. used      1980-03-15  
   last obs. used      2015-03-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51378  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:27:34  

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 13.7 mag n/a MPO324374  

7185 (1991 VN1)          Discovered 1991-Nov-04 by Ueda, S., Kaneda, H. at Kushiro
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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