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249925 (2001 SJ333)
Classification: Main-belt Asteroid          SPK-ID: 2249925
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1247694668487941 4.8832e-08  
a 2.722504049335269 1.9825e-08 au
q 2.382818670606024 1.3453e-07 au
i 5.045368344014815 5.8532e-06 deg
node 174.3077410314102 6.2195e-05 deg
peri 167.1232939739885 6.7724e-05 deg
M 74.57547858436499 2.4394e-05 deg
tp 2458660.604999370897
(2019-Jun-26.10499937)
0.00011156 TDB
period 1640.783305038428
4.49
1.7922e-05
4.907e-08
d
yr
n .2194074006570712 2.3966e-09 deg/d
Q 3.062189428064513 2.2299e-08 au
  Orbit Determination Parameters
   # obs. used (total)      219  
   data-arc span      6644 days (18.19 yr)  
   first obs. used      2001-09-19  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54521  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 18:49:34  

Additional Information
 Earth MOID = 1.37494 au 
 Jupiter MOID = 2.32972 au 
 T_jup = 3.341 
[ 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 16.8   n/a MPO454854  
diameter diameter 2.062 km 0.370 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.072   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249925 (2001 SJ333)          Discovered 2001-Sep-19 by Spacewatch at Kitt Peak
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ show close-approach data ]
Alternate Designations
 2001 SJ333 = 2006 WK114 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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