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3859 Borngen (1987 EW)
Classification: Main-belt Asteroid          SPK-ID: 2003859
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1400300977279685 6.118e-08  
a 3.197643636666518 3.0258e-08 AU
q 2.749877285724889 2.0433e-07 AU
i 2.885069033131688 6.6483e-06 deg
node 126.1438546690587 0.00011304 deg
peri 349.4681754060723 0.00011517 deg
M 349.8608109407238 2.1891e-05 deg
tp 2457059.322603167402
(2015-Feb-05.82260317)
0.00012715 JED
period 2088.54347388768
5.72
2.9644e-05
8.116e-08
d
yr
n .172368928155412 2.4466e-09 deg/d
Q 3.645409987608148 3.4495e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1270  
   data-arc span      23883 days (65.39 yr)  
   first obs. used      1949-08-21  
   last obs. used      2015-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51445  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:07:51  

Additional Information
 Earth MOID = 1.76631 AU 
 T_jup = 3.178 
[ 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 12.0 mag n/a MPO324342  

3859 Borngen (1987 EW)          Discovered 1987-Mar-04 by Bowell, E. at Flagstaff (AM) (688)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1987 EW = 1949 QF = 1952 BZ1 = 1958 DW = 1978 SD4 = 1982 JS1 = 1985 YB1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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