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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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .121102907989278 3.7288e-08  
a 2.237294602804426 8.3875e-09 au
q 1.966351720376093 8.4874e-08 au
i 4.925351238002133 5.4731e-06 deg
node 345.7379895137668 4.3576e-05 deg
peri 70.11859982280936 4.9701e-05 deg
M 216.6201439812245 2.526e-05 deg
tp 2459487.320466813655
(2021-Sep-29.82046681)
8.7214e-05 TDB
period 1222.31513490965
3.35
6.8736e-06
1.882e-08
d
yr
n .2945230650576949 1.6562e-09 deg/d
Q 2.508237485232759 9.4032e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1359  
   data-arc span      7975 days (21.83 yr)  
   first obs. used      1997-09-02  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55211  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:59:20  

Additional Information
 Earth MOID = .984094 au 
 Jupiter MOID = 2.79349 au 
 T_jup = 3.623 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456540.5 (2013-Sep-05.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1209604263144174 3.7168e-08  
q 1.966406702199937 8.4503e-08 au
tp 2457043.834263129535
(2015-Jan-21.33426313)
8.0981e-05 TDB
node 345.7882657351713 4.357e-05 deg
peri 70.16011020704369 4.9713e-05 deg
i 4.926493426652557 5.4728e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1359  
   data-arc span      7975 days (21.83 yr)  
   first obs. used      1997-09-02  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55211  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:59:20  

Additional Information
 Jupiter MOID = 2.79349 au 
 T_jup = 3.623 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.381476300254273E-15 -3.128990341496677E-15 -1.037451939272782E-12 -1.966667638243482E-15 -3.212602229120012E-13 -1.040700538177896E-15
q -3.128990341496677E-15 7.140684537806432E-15 2.555294106081183E-12 4.325774550168311E-15 7.822479204512876E-13 2.609898547543674E-15
tp -1.037451939272782E-12 2.555294106081183E-12 6.557996758191738E-9 1.464378064665381E-12 1.946005800518449E-9 2.814497739867471E-12
node -1.966667638243482E-15 4.325774550168311E-15 1.464378064665381E-12 1.898370091728343E-9 -1.890075089691356E-9 1.746287527933277E-11
peri -3.212602229120012E-13 7.822479204512876E-13 1.946005800518449E-9 -1.890075089691356E-9 2.471345669963737E-9 -1.656929602284775E-11
i -1.040700538177896E-15 2.609898547543674E-15 2.814497739867471E-12 1.746287527933277E-11 -1.656929602284775E-11 2.995100784416648E-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 15.2   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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