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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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09690714186495944 6.1248e-08  
a 2.195042169972083 1.4506e-08 AU
q 1.98232690700703 1.3062e-07 AU
i 5.708690955090336 6.4211e-06 deg
node 115.1239070565105 5.9305e-05 deg
peri 137.7467956481937 6.8541e-05 deg
M 176.1846116719013 3.8467e-05 deg
tp 2456419.162683181676
(2013-May-06.66268318)
0.00012426 JED
period 1187.853082449277
3.25
1.1775e-05
3.224e-08
d
yr
n .3030677828083781 3.0043e-09 deg/d
Q 2.407757432937136 1.5912e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1059  
   data-arc span      12707 days (34.79 yr)  
   first obs. used      1980-03-15  
   last obs. used      2014-12-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53231  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 00:20:14  

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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