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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1400300905605756 6.1583e-08  
a 3.197643656970953 3.6055e-08 AU
q 2.74987732610486 2.0808e-07 AU
i 2.885069236771814 6.7513e-06 deg
node 126.1438656511578 0.00012108 deg
peri 349.4681758263982 0.00012358 deg
M 349.8607935271236 2.7628e-05 deg
tp 2457059.322704752841
(2015-Feb-05.82270475)
0.00016074 JED
period 2088.543493780465
5.72
3.5324e-05
9.671e-08
d
yr
n .1723689265136467 2.9153e-09 deg/d
Q 3.645409987837045 4.1104e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1205  
   data-arc span      23805 days (65.17 yr)  
   first obs. used      1949-08-21  
   last obs. used      2014-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51916  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 12:54:27  

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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