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11877 (1990 EL8)
Classification: Main-belt Asteroid          SPK-ID: 2011877
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03828146428259264 4.7697e-08  
a 2.381561122297104 1.5627e-08 AU
q 2.290391475257076 1.1633e-07 AU
i 4.209293288390087 7.5557e-06 deg
node 352.3218251593736 6.2905e-05 deg
peri 288.8500118368798 0.00012016 deg
M 106.9015770108407 0.0001049 deg
tp 2456401.867561597928
(2013-Apr-19.36756160)
0.00039058 JED
period 1342.428071105005
3.68
1.3213e-05
3.618e-08
d
yr
n .2681707927216315 2.6394e-09 deg/d
Q 2.472730769337131 1.6225e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1150  
   data-arc span      10137 days (27.75 yr)  
   first obs. used      1986-03-04  
   last obs. used      2013-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47214  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 20:13:04  

Additional Information
 Earth MOID = 1.27773 AU 
 T_jup = 3.533 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.4 mag n/a MPO267754  

11877 (1990 EL8)          Discovered 1990-Mar-05 by Debehogne, H. at La Silla (809)
Reference: 19991026/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 EL8 = 1991 PJ14 = 1995 TU2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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