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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1463818854929634 1.0502e-07  
a 2.317838210923647 2.0142e-08 au
q 1.978548683341007 2.4917e-07 au
i 2.212326653472052 1.2115e-05 deg
node 355.718233217823 0.0001979 deg
peri 125.8359041005755 0.0002217 deg
M 141.7439040911043 7.5373e-05 deg
tp 2458093.012915623845
(2017-Dec-05.51291562)
0.00027288 TDB
period 1288.911516490969
3.53
1.6801e-05
4.6e-08
d
yr
n .2793054413697003 3.6408e-09 deg/d
Q 2.657127738506287 2.3091e-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 = .99564 au 
 Jupiter MOID = 2.4102 au 
 T_jup = 3.564 
[ 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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