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101611 (1999 CL8)
Classification: Main-belt Asteroid          SPK-ID: 2101611
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1911908334746188 6.7048e-08  
a 2.654768743953582 2.1003e-08 au
q 2.14720129511473 1.8875e-07 au
i 14.55084979327279 5.1758e-06 deg
node 146.948888617493 1.8538e-05 deg
peri 29.78130912333679 2.3007e-05 deg
M 320.2422695984201 1.7933e-05 deg
tp 2459174.984781623240
(2020-Nov-21.48478162)
8.0247e-05 TDB
period 1579.932273545233
4.33
1.875e-05
5.133e-08
d
yr
n .2278578683579839 2.7041e-09 deg/d
Q 3.162336192792434 2.5019e-08 au
  Orbit Determination Parameters
   # obs. used (total)      613  
   data-arc span      7729 days (21.16 yr)  
   first obs. used      1999-02-12  
   last obs. used      2020-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55822  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:59:33  

Additional Information
 Earth MOID = 1.16495 au 
 Jupiter MOID = 1.84152 au 
 T_jup = 3.317 
[ 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 15.1   n/a MPO417512  

101611 (1999 CL8)          Discovered 1999-Feb-13 by Kobayashi, T. at Oizumi
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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