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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 ]

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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.


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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 .121102860906473 3.7289e-08  
a 2.237294598283429 8.3857e-09 au
q 1.966351821740707 8.4878e-08 au
i 4.925350487512938 5.4718e-06 deg
node 345.7379957101886 4.3581e-05 deg
peri 70.11858299464913 4.9705e-05 deg
M 216.6201558665126 2.5259e-05 deg
tp 2459487.320424983692
(2021-Sep-29.82042498)
8.7212e-05 TDB
period 1222.315131204673
3.35
6.8721e-06
1.881e-08
d
yr
n .294523065950428 1.6559e-09 deg/d
Q 2.50823737482615 9.4013e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1351  
   data-arc span      7912 days (21.66 yr)  
   first obs. used      1997-09-02  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55682  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:56:12  

Additional Information
 Earth MOID = .984094 au 
 Jupiter MOID = 2.79349 au 
 T_jup = 3.623 
[ 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 15.2   n/a MPO381824  

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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