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101660 (1999 CK80)
Classification: Main-belt Asteroid          SPK-ID: 2101660
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .186133778129958 4.7638e-08  
a 3.146483623469036 1.9199e-08 au
q 2.560816738808704 1.5496e-07 au
i 7.050855789190547 4.547e-06 deg
node 261.7215451797813 4.4897e-05 deg
peri 252.3478964232308 4.7479e-05 deg
M 329.8309749468548 1.3598e-05 deg
tp 2459371.342302270883
(2021-Jun-05.84230227)
7.7276e-05 TDB
period 2038.621689271525
5.58
1.8658e-05
5.108e-08
d
yr
n .1765898998791882 1.6162e-09 deg/d
Q 3.732150508129369 2.2772e-08 au
  Orbit Determination Parameters
   # obs. used (total)      889  
   data-arc span      8015 days (21.94 yr)  
   first obs. used      1999-02-12  
   last obs. used      2021-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49898  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:29:20  

Additional Information
 Earth MOID = 1.58211 au 
 Jupiter MOID = 1.3995 au 
 T_jup = 3.170 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457264.5 (2015-Aug-30.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1872776790001198 4.7822e-08  
q 2.556629428821416 1.5611e-07 au
tp 2457337.409065288094
(2015-Nov-10.90906529)
7.4986e-05 TDB
node 261.8100009992876 4.4916e-05 deg
peri 252.8291770560777 4.743e-05 deg
i 7.05060851554505 4.546e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      889  
   data-arc span      8015 days (21.94 yr)  
   first obs. used      1999-02-12  
   last obs. used      2021-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49898  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:29:20  

Additional Information
 Jupiter MOID = 1.3995 au 
 T_jup = 3.170 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.286942783624424E-15 -7.430793084116049E-15 1.185853804690229E-12 -8.817934411678412E-16 2.764296311207907E-13 -3.665098185260849E-15
q -7.430793084116049E-15 2.43690128535103E-14 -3.83517037957746E-12 7.246942638411231E-15 -9.003360553278575E-13 1.18036206136126E-14
tp 1.185853804690229E-12 -3.83517037957746E-12 5.622855172464822E-9 -1.053216013267195E-11 1.187082960168019E-9 -3.491527949215921E-12
node -8.817934411678412E-16 7.246942638411231E-15 -1.053216013267195E-11 2.017440419536528E-9 -2.003947114561184E-9 -3.396532932593334E-11
peri 2.764296311207907E-13 -9.003360553278575E-13 1.187082960168019E-9 -2.003947114561184E-9 2.249599164784555E-9 3.295245795956095E-11
i -3.665098185260849E-15 1.18036206136126E-14 -3.491527949215921E-12 -3.396532932593334E-11 3.295245795956095E-11 2.066571009203935E-11

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 14.5   n/a MPO412744  
diameter diameter 3.051 km 0.880 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.301   0.178 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101660 (1999 CK80)          Discovered 1999-Feb-12 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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