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441881 (2010 CW31)
Classification: Main-belt Asteroid          SPK-ID: 2441881
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2115327540275691 1.575e-07  
a 2.335238623554724 4.6597e-08 au
q 1.841259166202644 3.9784e-07 au
i 22.6323076554812 1.5637e-05 deg
node 150.6548536142171 2.2173e-05 deg
peri 312.2326907321428 4.2098e-05 deg
M 346.5315823064387 4.246e-05 deg
tp 2459049.265131566889
(2020-Jul-18.76513157)
0.00015448 TDB
period 1303.452845279122
3.57
3.9014e-05
1.068e-07
d
yr
n .2761895079702015 8.2666e-09 deg/d
Q 2.829218080906805 5.6454e-08 au
  Orbit Determination Parameters
   # obs. used (total)      79  
   data-arc span      6109 days (16.73 yr)  
   first obs. used      2003-03-08  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49934  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 22:52:50  

Additional Information
 Earth MOID = .909207 au 
 Jupiter MOID = 2.37861 au 
 T_jup = 3.437 
[ 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 17.0   n/a MPO495190  
diameter diameter 2.248 km 0.095 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

441881 (2010 CW31)          Discovered 2010-Feb-09 by CSS at Catalina
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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