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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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1400300959038226 6.1024e-08  
a 3.197643637910184 2.9175e-08 AU
q 2.749877292627373 2.0338e-07 AU
i 2.885068932398455 6.6289e-06 deg
node 126.1438805073668 0.00010946 deg
peri 349.4681505860653 0.00011156 deg
M 349.8608096251218 2.0789e-05 deg
tp 2457059.322610834197
(2015-Feb-05.82261083)
0.00012069 JED
period 2088.543475106132
5.72
2.8583e-05
7.826e-08
d
yr
n .1723689280548523 2.359e-09 deg/d
Q 3.645409983192996 3.326e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1383  
   data-arc span      23964 days (65.61 yr)  
   first obs. used      1949-08-21  
   last obs. used      2015-04-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50151  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:15:56  

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)
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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