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(2009 DP2)
Classification: Centaur          SPK-ID: 3456728
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .421503400354056 0.00052779  
a 6.697226224307126 0.0043662 au
q 3.874322597821317 0.0014964 au
i 26.97695934330631 0.024437 deg
node .6952878568068327 0.011716 deg
peri 126.1914108126772 0.11496 deg
M 272.347053299819 0.22063 deg
tp 2460937.862896554443
(2025-Sep-19.36289655)
5.3855 TDB
period 6330.541797500725
17.33
6.1908
0.01695
d
yr
n .05686717053856696 5.5612e-05 deg/d
Q 9.520129850792937 0.0062066 au
  Orbit Determination Parameters
   # obs. used (total)      29  
   data-arc span      47 days  
   first obs. used      2009-02-17  
   last obs. used      2009-04-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .5137  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 02:36:05  

Additional Information
 Earth MOID = 2.97072 au 
 Jupiter MOID = .96732 au 
 T_jup = 2.611 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.032   .54956 4 autocmod 2.9c

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