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79946 (1999 CE90)
Classification: Main-belt Asteroid          SPK-ID: 2079946
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .210961594971801 4.0239e-08  
a 2.747419688440362 1.4622e-08 au
q 2.167819648910055 1.1294e-07 au
i 2.19569702388131 4.8091e-06 deg
node 52.58721026217591 0.00012047 deg
peri 24.86803659973538 0.00012101 deg
M 283.2505904851757 1.4181e-05 deg
tp 2459355.116123641109
(2021-May-20.61612364)
6.7187e-05 TDB
period 1663.35878435835
4.55
1.3279e-05
3.636e-08
d
yr
n .2164295540957941 1.7278e-09 deg/d
Q 3.327019727970669 1.7707e-08 au
  Orbit Determination Parameters
   # obs. used (total)      739  
   data-arc span      7919 days (21.68 yr)  
   first obs. used      1998-11-25  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .595  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:37:09  

Additional Information
 Earth MOID = 1.18345 au 
 Jupiter MOID = 1.94468 au 
 T_jup = 3.313 
[ 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 15.2   n/a MPO299469  

79946 (1999 CE90)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1999 CE90 = 2000 HX93 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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