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JPL Small-Body Database Browser
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382043 (2011 DU2)
Classification: Main-belt Asteroid          SPK-ID: 2382043
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1422939053282133 7.5577e-08  
a 2.369320946074419 2.2585e-08 au
q 2.032181015681553 1.8091e-07 au
i 3.728523073819852 5.945e-06 deg
node 131.2094915422709 0.00014338 deg
peri 326.7889690572367 0.000147 deg
M 129.6135616303283 3.7945e-05 deg
tp 2458120.896646019494
(2018-Jan-02.39664602)		 0.00013571 TDB
period 1332.092145769585
3.65		 1.9047e-05
5.215e-08		 d
yr
n .2702515746701731 3.8641e-09 deg/d
Q 2.706460876467285 2.5798e-08 au
   Orbit Determination Parameters
   # obs. used (total)      109  
   data-arc span      8090 days (22.15 yr)  
   first obs. used      1997-05-10  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55328  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:59:18  

Additional Information
 Earth MOID = 1.05034 au 
 Jupiter MOID = 2.44061 au 
 T_jup = 3.529 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457637.5 (2016-Sep-06.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1427647421502104 7.5659e-08  
q 2.030252256545887 1.8141e-07 au
tp 2458120.368554650901
(2018-Jan-01.86855465)		 0.0001353 TDB
node 131.237416781192 0.0001434 deg
peri 326.5653951735642 0.000147 deg
i 3.728655230804057 5.944e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      109  
   data-arc span      8090 days (22.15 yr)  
   first obs. used      1997-05-10  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55328  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:59:18  

Additional Information
 Jupiter MOID = 2.44061 au 
 T_jup = 3.529 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.724317899458057E-15 -1.36461183660075E-14 -3.223367766049045E-12 2.52827841653318E-14 -1.039790632948645E-12 4.329417753076337E-15
q -1.36461183660075E-14 3.291042870819059E-14 9.425934033282769E-12 -5.825601670067077E-14 2.861348814018035E-12 -1.07519020218438E-14
tp -3.223367766049045E-12 9.425934033282769E-12 1.830551839918714E-8 6.440640997162253E-12 4.477597677018099E-9 -9.737763429456354E-12
node 2.52827841653318E-14 -5.825601670067077E-14 6.440640997162253E-12 2.056315398749879E-8 -2.051921756390247E-8 -3.088373882392001E-10
peri -1.039790632948645E-12 2.861348814018035E-12 4.477597677018099E-9 -2.051921756390247E-8 2.160990428525701E-8 3.056312910424552E-10
i 4.329417753076337E-15 -1.07519020218438E-14 -9.737763429456354E-12 -3.088373882392001E-10 3.056312910424552E-10 3.533106754563015E-11

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.6   n/a MPO434367  

382043 (2011 DU2)          Discovered 2006-Nov-19 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-12-19

Alternate Designations
 2011 DU2 = 2006 WM194 = 2011 CN76 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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