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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05947627883623589 4.5383e-08  
a 2.313454707876491 1.004e-08 au
q 2.175859030595827 1.0264e-07 au
i 6.65539727574481 3.4806e-06 deg
node 108.020195358331 3.862e-05 deg
peri 68.87603064381392 4.8665e-05 deg
M 183.9183801683094 3.2339e-05 deg
tp 2459829.139191662409
(2022-Sep-06.63919166)
0.00011716 TDB
period 1285.25685539915
3.52
8.3666e-06
2.291e-08
d
yr
n .2800996536121942 1.8234e-09 deg/d
Q 2.451050385157156 1.0637e-08 au
  Orbit Determination Parameters
   # obs. used (total)      607  
   data-arc span      8349 days (22.86 yr)  
   first obs. used      1998-03-01  
   last obs. used      2021-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61086  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:32:58  

Additional Information
 Earth MOID = 1.19045 au 
 Jupiter MOID = 2.526 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 16.38   n/a E2021B55  

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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