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442286 (2011 SD3)
Classification: Main-belt Asteroid          SPK-ID: 2442286
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1594567054551065 2.5945e-07  
a 2.569639812824535 5.7336e-08 au
q 2.159893514065258 7.1245e-07 au
i 4.219589335487377 7.7573e-06 deg
node 199.6602492729809 0.00010998 deg
peri 104.158852870816 0.00015497 deg
M 77.6373053165745 7.9224e-05 deg
tp 2458676.029843741751
(2019-Jul-11.52984374)
0.00034099 TDB
period 1504.550625200957
4.12
5.0356e-05
1.379e-07
d
yr
n .2392741021605146 8.0083e-09 deg/d
Q 2.979386111583812 6.6478e-08 au
  Orbit Determination Parameters
   # obs. used (total)      119  
   data-arc span      4373 days (11.97 yr)  
   first obs. used      2007-09-13  
   last obs. used      2019-09-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6151  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:42:57  

Additional Information
 Earth MOID = 1.14955 au 
 Jupiter MOID = 2.26197 au 
 T_jup = 3.409 
[ 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 18.1   n/a MPO495191  

442286 (2011 SD3)          Discovered 2007-Sep-13 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 SD3 = 2007 RW201 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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