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JPL Small-Body Database Browser
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100749 (1998 EN5)
Classification: Main-belt Asteroid          SPK-ID: 2100749
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05903447653849127 5.6995e-08  
a 2.314482220136619 1.0981e-08 au
q 2.177847973813208 1.3259e-07 au
i 6.655492675530748 3.8575e-06 deg
node 108.0211170651482 4.8782e-05 deg
peri 69.04223240052679 6.033e-05 deg
M 127.7518580537129 3.605e-05 deg
tp 2458544.101798074035
(2019-Mar-01.60179807)
0.00012836 TDB
period 1286.113213510105
3.52
9.1527e-06
2.506e-08
d
yr
n .2799131493389104 1.992e-09 deg/d
Q 2.451116466460029 1.1629e-08 au
  Orbit Determination Parameters
   # obs. used (total)      515  
   data-arc span      7767 days (21.26 yr)  
   first obs. used      1998-03-01  
   last obs. used      2019-06-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6347  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:10:34  

Additional Information
 Earth MOID = 1.19285 au 
 Jupiter MOID = 2.52689 au 
 T_jup = 3.571 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO320187  

100749 (1998 EN5)          Discovered 1998-Mar-01 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 EN5 = 2000 YV96 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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