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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1777112231170939 5.6977e-08  
a 3.170959359475245 2.9312e-08 au
q 2.607444293248302 1.8896e-07 au
i 2.859853989199743 5.1634e-06 deg
node 96.8686705722475 0.00012986 deg
peri 303.333569728045 0.00013122 deg
M 337.456430698726 1.8752e-05 deg
tp 2457529.653035701359
(2016-May-21.15303570)
0.0001082 JED
period 2062.454806118993
5.65
2.8597e-05
7.829e-08
d
yr
n .1745492793015072 2.4202e-09 deg/d
Q 3.734474425702187 3.4521e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1243  
   data-arc span      10320 days (28.25 yr)  
   first obs. used      1987-09-01  
   last obs. used      2015-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50217  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 12:59:54  

Additional Information
 Earth MOID = 1.61566 au 
 Jupiter MOID = 1.68527 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 12.9 mag n/a MPO358693  
rotation period rot_per 6.1205 h n/a LCDB (Rev. 2015-December); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

6378 (1987 SE13)          Discovered 1987-Sep-27 by Debehogne, H. at La Silla
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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