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249809 (2001 CL31)
Classification: Outer Main-belt Asteroid          SPK-ID: 2249809
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1000968974406877 5.7274e-08  
a 3.234740867406982 4.4164e-08 au
q 2.910953342554945 1.8347e-07 au
i 14.13167067812597 8.1468e-06 deg
node 318.1674546633092 2.4838e-05 deg
peri 83.09863196387886 4.7099e-05 deg
M 201.5769172287468 3.997e-05 deg
tp 2459935.633529901178
(2022-Dec-22.13352990)
0.00024067 TDB
period 2124.99381324696
5.82
4.3519e-05
1.191e-07
d
yr
n .1694122579349656 3.4695e-09 deg/d
Q 3.55852839225902 4.8584e-08 au
  Orbit Determination Parameters
   # obs. used (total)      292  
   data-arc span      7112 days (19.47 yr)  
   first obs. used      1999-12-12  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61688  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:19:09  

Additional Information
 Earth MOID = 1.9621 au 
 Jupiter MOID = 1.8695 au 
 T_jup = 3.130 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1   n/a MPO437160  
diameter diameter 5.283 km 0.486 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.076   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249809 (2001 CL31)          Discovered 2001-Feb-12 by Comba, P. G. at Prescott
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ show close-approach data ]
Alternate Designations
 2001 CL31 = 2004 PX94 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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