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JPL Small-Body Database Browser
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382053 (2011 DW31)
Classification: Main-belt Asteroid          SPK-ID: 2382053
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1471872667020791 1.0488e-07  
a 2.316279721301311 1.9296e-08 au
q 1.975352840205518 2.4809e-07 au
i 2.21337666422453 1.2123e-05 deg
node 355.6716763722231 0.0001978 deg
peri 125.9244612944292 0.00022125 deg
M 253.4861216799616 7.3979e-05 deg
tp 2459381.468117448104
(2021-Jun-15.96811745)
0.00026283 TDB
period 1287.611759560872
3.53
1.609e-05
4.405e-08
d
yr
n .2795873813103218 3.4937e-09 deg/d
Q 2.657206602397105 2.2136e-08 au
  Orbit Determination Parameters
   # obs. used (total)      82  
   data-arc span      7628 days (20.88 yr)  
   first obs. used      1997-04-08  
   last obs. used      2018-02-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65771  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Mar-06 02:02:03  

Additional Information
 Earth MOID = .992099 au 
 Jupiter MOID = 2.40874 au 
 T_jup = 3.565 
[ 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 18.3   n/a MPO437564  

382053 (2011 DW31)          Discovered 2004-Mar-15 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-12-19

[ show close-approach data ]
Alternate Designations
 2011 DW31 = 2004 EE28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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