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85900 (1999 CQ57)
Classification: Main-belt Asteroid          SPK-ID: 2085900
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1688263535995993 3.6078e-08  
a 2.387508822509588 9.6535e-09 au
q 1.984434413818422 8.7861e-08 au
i 2.177138114822339 4.0737e-06 deg
node 1.768664990545387 0.00010351 deg
peri 91.26546293693589 0.00010427 deg
M 324.3346196769067 1.4536e-05 deg
tp 2459133.993544119167
(2020-Oct-11.49354412)
5.4847e-05 TDB
period 1347.460070453331
3.69
8.1724e-06
2.237e-08
d
yr
n .2671693268646423 1.6204e-09 deg/d
Q 2.790583231200755 1.1283e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1043  
   data-arc span      7604 days (20.82 yr)  
   first obs. used      1999-02-10  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55323  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:03:56  

Additional Information
 Earth MOID = 1.00254 au 
 Jupiter MOID = 2.3893 au 
 T_jup = 3.514 
[ 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 15.3   n/a MPO302497  
diameter diameter 2.165 km 0.378 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.313   0.114 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85900 (1999 CQ57)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1999 CQ57 = 1999 FE41 = 2001 SB164 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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