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392085 (2009 DW64)
Classification: Main-belt Asteroid          SPK-ID: 2392085
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1037036514720801 5.0629e-08  
a 2.939849394301651 4.7312e-08 au
q 2.634976277334587 1.5818e-07 au
i 12.09488615583213 8.0198e-06 deg
node 178.7934640007632 2.9269e-05 deg
peri 297.588429557108 6.139e-05 deg
M 57.81271978033661 4.8023e-05 deg
tp 2458304.830211302759
(2018-Jul-05.33021130)
0.00024824 TDB
period 1841.136766016841
5.04
4.4445e-05
1.217e-07
d
yr
n .1955313731411885 4.7202e-09 deg/d
Q 3.244722511268715 5.2219e-08 au
  Orbit Determination Parameters
   # obs. used (total)      161  
   data-arc span      3737 days (10.23 yr)  
   first obs. used      2009-01-30  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55365  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:52:45  

Additional Information
 Earth MOID = 1.67601 au 
 Jupiter MOID = 1.87908 au 
 T_jup = 3.232 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457440.5 (2016-Feb-22.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1045284142871318 5.0595e-08  
q 2.633356029401197 1.5823e-07 au
tp 2458304.394187504087
(2018-Jul-04.89418750)
0.00024613 TDB
node 178.8035223390624 2.9266e-05 deg
peri 297.550969099328 6.0999e-05 deg
i 12.09477146596343 8.0198e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      161  
   data-arc span      3737 days (10.23 yr)  
   first obs. used      2009-01-30  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55365  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:52:45  

Additional Information
 Jupiter MOID = 1.87908 au 
 T_jup = 3.232 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.559837453817377E-15 -7.715527370478212E-15 9.049391944493305E-13 1.368628627099185E-14 1.748885450025657E-13 -3.714848258680639E-15
q -7.715527370478212E-15 2.503777630368275E-14 -6.598229161987035E-12 -4.362114731264774E-14 -1.521188472064254E-12 1.13647551376502E-14
tp 9.049391944493305E-13 -6.598229161987035E-12 6.058196201645874E-8 2.332074631996039E-11 1.317488600532478E-8 5.282861248278587E-11
node 1.368628627099185E-14 -4.362114731264774E-14 2.332074631996039E-11 8.565265757595562E-10 -8.316322182536417E-10 5.351749645857663E-11
peri 1.748885450025657E-13 -1.521188472064254E-12 1.317488600532478E-8 -8.316322182536417E-10 3.720930587735208E-9 -4.123725471805221E-11
i -3.714848258680639E-15 1.13647551376502E-14 5.282861248278587E-11 5.351749645857663E-11 -4.123725471805221E-11 6.431732330200275E-11

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 16.4   n/a MPO294776  

392085 (2009 DW64)          Discovered 2009-Jan-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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