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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1689628021448867 3.1996e-08  
a 2.387948481803531 7.242e-09 au
q 1.984474014940378 7.546e-08 au
i 2.177109113599713 3.5434e-06 deg
node 1.764990066831611 9.5961e-05 deg
peri 91.23876257040682 9.6609e-05 deg
M 17.78543563384259 1.068e-05 deg
tp 2459133.911709923249
(2020-Oct-11.41170992)
3.993e-05 TDB
period 1347.832289360187
3.69
6.1314e-06
1.679e-08
d
yr
n .2670955450777123 1.215e-09 deg/d
Q 2.791422948666683 8.4657e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1330  
   data-arc span      8075 days (22.11 yr)  
   first obs. used      1999-02-10  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51604  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:07:45  

Additional Information
 Earth MOID = 1.00233 au 
 Jupiter MOID = 2.38856 au 
 T_jup = 3.513 
[ 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 15.36   n/a MPCxxxxx  
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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