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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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05903443105013319 5.0117e-08  
a 2.314482225652183 1.0471e-08 au
q 2.177848084285161 1.1504e-07 au
i 6.655491032984934 3.7656e-06 deg
node 108.0211575711932 4.3367e-05 deg
peri 69.04216668893972 5.4174e-05 deg
M 127.7518784537161 3.4017e-05 deg
tp 2458544.101723562833
(2019-Mar-01.60172356)
0.00012072 TDB
period 1286.113218107445
3.52
8.7277e-06
2.39e-08
d
yr
n .279913148338333 1.8995e-09 deg/d
Q 2.451116367019206 1.1089e-08 au
  Orbit Determination Parameters
   # obs. used (total)      536  
   data-arc span      8186 days (22.41 yr)  
   first obs. used      1998-03-01  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63276  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 09:04:01  

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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