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441784 (2009 DA72)
Classification: Main-belt Asteroid          SPK-ID: 2441784
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2278462271517786 1.5144e-07  
a 2.595089668137958 6.8764e-08 au
q 2.003808278132163 4.2968e-07 au
i 11.52479881551675 1.2163e-05 deg
node 125.2517706888876 4.8001e-05 deg
peri 325.4184939991384 5.0907e-05 deg
M 292.7948733675038 2.065e-05 deg
tp 2459285.553831448670
(2021-Mar-12.05383145)
9.519e-05 TDB
period 1526.957606711823
4.18
6.0692e-05
1.662e-07
d
yr
n .235762930429503 9.3708e-09 deg/d
Q 3.186371058143753 8.4432e-08 au
  Orbit Determination Parameters
   # obs. used (total)      78  
   data-arc span      3483 days (9.54 yr)  
   first obs. used      2008-10-29  
   last obs. used      2018-05-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64063  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:45:14  

Additional Information
 Earth MOID = 1.0314 au 
 Jupiter MOID = 2.0383 au 
 T_jup = 3.353 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.1   n/a MPO437717  

441784 (2009 DA72)          Discovered 2008-Oct-29 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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