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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1184946258386498 3.2912e-08  
a 2.571758041955357 1.1091e-08 au
q 2.267018535026318 8.2444e-08 au
i 13.85461398005193 3.9593e-06 deg
node 112.7321092316649 2.2495e-05 deg
peri 37.97856366944985 3.5656e-05 deg
M 52.46115568122201 2.7237e-05 deg
tp 2458780.977550779802
(2019-Oct-24.47755078)
0.00011364 TDB
period 1506.411376056638
4.12
9.7449e-06
2.668e-08
d
yr
n .2389785457823473 1.5459e-09 deg/d
Q 2.876497548884395 1.2405e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1264  
   data-arc span      7826 days (21.43 yr)  
   first obs. used      1998-11-25  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49932  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:40:57  

Additional Information
 Earth MOID = 1.29482 au 
 Jupiter MOID = 2.19514 au 
 T_jup = 3.379 
[ 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 14.4   n/a MPO502667  

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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