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85919 (1999 CH100)
Classification: Main-belt Asteroid          SPK-ID: 2085919
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1204240868099544 3.6972e-08  
a 2.236523646387335 8.4109e-09 au
q 1.967192328642271 8.3923e-08 au
i 4.92786940352092 5.4629e-06 deg
node 345.7061291118903 4.3363e-05 deg
peri 70.35342135738637 4.9616e-05 deg
M 332.9976898320589 2.5742e-05 deg
tp 2459488.134093744171
(2021-Sep-30.63409374)
8.7621e-05 TDB
period 1221.683387189121
3.34
6.8916e-06
1.887e-08
d
yr
n .2946753666089352 1.6623e-09 deg/d
Q 2.505854964132399 9.4238e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1371  
   data-arc span      7975 days (21.83 yr)  
   first obs. used      1997-09-02  
   last obs. used      2019-07-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55046  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:15:47  

Additional Information
 Earth MOID = .98455 au 
 Jupiter MOID = 2.79406 au 
 T_jup = 3.623 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456551.5 (2013-Sep-16.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .120958364594709 3.6957e-08  
q 1.966411549007434 8.3958e-08 au
tp 2457043.840451026744
(2015-Jan-21.34045103)
8.081e-05 TDB
node 345.7878547042178 4.3401e-05 deg
peri 70.1618792186021 4.9558e-05 deg
i 4.926497527009709 5.4593e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1371  
   data-arc span      7975 days (21.83 yr)  
   first obs. used      1997-09-02  
   last obs. used      2019-07-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55046  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:15:47  

Additional Information
 Jupiter MOID = 2.79406 au 
 T_jup = 3.623 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.365814127722435E-15 -3.091087312513211E-15 -1.016494256020189E-12 -1.605196847510598E-15 -3.164844416447404E-13 -9.74501440414851E-16
q -3.091087312513211E-15 7.04896234635947E-15 2.504529608378494E-12 3.425488108846385E-15 7.706968145833739E-13 2.447975671013865E-15
tp -1.016494256020189E-12 2.504529608378494E-12 6.530291761800707E-9 -6.99761615728368E-14 1.940768877247062E-9 2.619997911144813E-12
node -1.605196847510598E-15 3.425488108846385E-15 -6.99761615728368E-14 1.883682527121722E-9 -1.875890432131236E-9 1.599065332913329E-11
peri -3.164844416447404E-13 7.706968145833739E-13 1.940768877247062E-9 -1.875890432131236E-9 2.456010536025033E-9 -1.515752858895443E-11
i -9.74501440414851E-16 2.447975671013865E-15 2.619997911144813E-12 1.599065332913329E-11 -1.515752858895443E-11 2.980346493053286E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.18   n/a MPCxxxxx  

85919 (1999 CH100)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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