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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1407437351786578 6.0392e-08  
a 3.198179834387174 3.0148e-08 au
q 2.748056058722462 2.0199e-07 au
i 2.884846116814561 6.6206e-06 deg
node 126.1363055361079 0.00010786 deg
peri 349.0166408946433 0.00010995 deg
M 59.12249893685307 2.0474e-05 deg
tp 2457057.413974282068
(2015-Feb-03.91397428)
0.00011822 JED
period 2089.068822858349
5.72
2.9539e-05
8.087e-08
d
yr
n .1723255816471538 2.4367e-09 deg/d
Q 3.648303610051886 3.4391e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1436  
   data-arc span      24019 days (65.76 yr)  
   first obs. used      1949-08-21  
   last obs. used      2015-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50176  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 15:45:23  

Additional Information
 Earth MOID = 1.76443 au 
 Jupiter MOID = 1.45762 au 
 T_jup = 3.177 
[ 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)
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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