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101621 (1999 CH16)
Classification: Main-belt Asteroid          SPK-ID: 2101621
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2175620842515938 6.6523e-08  
a 2.538421107182121 9.4682e-09 au
q 1.986156920395341 1.6993e-07 au
i 3.507635490026369 6.7248e-06 deg
node 321.0062508776797 7.0074e-05 deg
peri 153.096538679959 7.0766e-05 deg
M 160.5930754877578 1.1782e-05 deg
tp 2458541.526049911246
(2019-Feb-27.02604991)
4.5695e-05 TDB
period 1477.215759841625
4.04
8.2649e-06
2.263e-08
d
yr
n .2437017054560779 1.3635e-09 deg/d
Q 3.090685293968901 1.1528e-08 au
  Orbit Determination Parameters
   # obs. used (total)      676  
   data-arc span      9266 days (25.37 yr)  
   first obs. used      1995-03-02  
   last obs. used      2020-07-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52588  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:37:42  

Additional Information
 Earth MOID = 1.00323 au 
 Jupiter MOID = 2.02141 au 
 T_jup = 3.411 
[ 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 15.9   n/a MPO270553  

101621 (1999 CH16)          Discovered 1999-Feb-15 by Klet at Klet
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 CH16 = 1995 EZ3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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