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305797 (2009 DU84)
Classification: Main-belt Asteroid          SPK-ID: 2305797
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1766443623214595 6.5275e-08  
a 3.024508241367596 3.6876e-08 au
q 2.490245911735218 2.1647e-07 au
i 5.515001817588369 7.1961e-06 deg
node 77.49456783769507 6.8106e-05 deg
peri 221.3002324467421 7.2755e-05 deg
M 18.26568760762298 2.7695e-05 deg
tp 2459299.020316545716
(2021-Mar-25.52031655)
0.00014686 TDB
period 1921.235422251326
5.26
3.5137e-05
9.62e-08
d
yr
n .187379430875862 3.427e-09 deg/d
Q 3.558770570999974 4.339e-08 au
  Orbit Determination Parameters
   # obs. used (total)      188  
   data-arc span      7225 days (19.78 yr)  
   first obs. used      2000-09-05  
   last obs. used      2020-06-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47815  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:56:31  

Additional Information
 Earth MOID = 1.47734 au 
 Jupiter MOID = 1.6675 au 
 T_jup = 3.214 
[ 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 16.23   n/a E2021B25  

305797 (2009 DU84)          Discovered 2009-Feb-26 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2009 DU84 = 2006 VF24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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