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6378 (1987 SE13)
Classification: Main-belt Asteroid          SPK-ID: 2006378
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1779371098634125 7.0456e-08  
a 3.171143392671756 3.5488e-08 AU
q 2.606879302417287 2.2118e-07 AU
i 2.860086445721154 5.6633e-06 deg
node 96.8732273549474 0.00013459 deg
peri 303.354658870768 0.00013594 deg
M 267.6409749377521 2.0152e-05 deg
tp 2457529.674717418520
(2016-May-21.17471742)
0.00012018 JED
period 2062.634356981061
5.65
3.4624e-05
9.48e-08
d
yr
n .1745340849101863 2.9298e-09 deg/d
Q 3.735407482926226 4.1803e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1087  
   data-arc span      9824 days (26.90 yr)  
   first obs. used      1987-09-01  
   last obs. used      2014-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50955  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:08:12  

Additional Information
 Earth MOID = 1.61613 AU 
 T_jup = 3.175 
[ 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 12.8 mag n/a MPO263405  

6378 (1987 SE13)          Discovered 1987-Sep-27 by Debehogne, H. at La Silla (809)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1987 SE13 = 1992 OL7 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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