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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1400300913082594 6.1618e-08  
a 3.197643653927886 3.7165e-08 AU
q 2.749877321097088 2.0858e-07 AU
i 2.885069547330496 6.7854e-06 deg
node 126.1438724724543 0.00012202 deg
peri 349.4681672924295 0.00012462 deg
M 349.8607961430878 2.8738e-05 deg
tp 2457059.322689492331
(2015-Feb-05.82268949)
0.00016723 JED
period 2088.543490799093
5.72
3.6411e-05
9.969e-08
d
yr
n .1723689267597014 3.0051e-09 deg/d
Q 3.645409986758684 4.2369e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1181  
   data-arc span      23549 days (64.47 yr)  
   first obs. used      1949-08-21  
   last obs. used      2014-02-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52285  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 17:55:56  

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 11.9 mag n/a MPO265978  

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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