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100190 (1994 CE4)
Classification: Main-belt Asteroid          SPK-ID: 2100190
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1525902431391932 2.9588e-08  
a 2.656833102880494 1.032e-08 au
q 2.251426293731702 7.8645e-08 au
i 3.898889800395308 4.2354e-06 deg
node 152.474305485189 5.5465e-05 deg
peri 291.4979976390971 5.8314e-05 deg
M 117.552518507649 1.6421e-05 deg
tp 2458683.995303545561
(2019-Jul-19.49530355)
7.1763e-05 TDB
period 1581.775474351058
4.33
9.2166e-06
2.523e-08
d
yr
n .2275923516564159 1.3261e-09 deg/d
Q 3.062239912029285 1.1895e-08 au
  Orbit Determination Parameters
   # obs. used (total)      841  
   data-arc span      9621 days (26.34 yr)  
   first obs. used      1994-01-16  
   last obs. used      2020-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5478  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:07:33  

Additional Information
 Earth MOID = 1.27071 au 
 Jupiter MOID = 2.16156 au 
 T_jup = 3.368 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.80   n/a E2021B55  

100190 (1994 CE4)          Discovered 1994-Feb-10 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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