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85889 (1999 CH40)
Classification: Main-belt Asteroid          SPK-ID: 2085889
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .118768553027869 3.4142e-08  
a 2.572421933803211 1.349e-08 au
q 2.266899102948251 8.7769e-08 au
i 13.85403447557032 4.9276e-06 deg
node 112.7309583693933 2.3531e-05 deg
peri 37.96861544476764 3.9224e-05 deg
M 316.89400850448 3.2073e-05 deg
tp 2458780.945838603405
(2019-Oct-24.44583860)
0.00013491 TDB
period 1506.994727263773
4.13
1.1854e-05
3.245e-08
d
yr
n .2388860382103967 1.8791e-09 deg/d
Q 2.877944764658171 1.5092e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1051  
   data-arc span      7423 days (20.32 yr)  
   first obs. used      1998-11-25  
   last obs. used      2019-03-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52507  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:11:46  

Additional Information
 Earth MOID = 1.29514 au 
 Jupiter MOID = 2.19526 au 
 T_jup = 3.378 
[ 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 14.3   n/a MPO426532  

85889 (1999 CH40)          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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