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305752 (2009 DX7)
Classification: Main-belt Asteroid          SPK-ID: 2305752
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07936804840485209 5.9726e-08  
a 2.698763960802065 2.8294e-08 au
q 2.484568332127856 1.4999e-07 au
i 1.497483390574655 7.111e-06 deg
node 280.2232628742663 0.00024669 deg
peri 298.2502243119526 0.00025178 deg
M 148.2934041140885 4.9415e-05 deg
tp 2458333.439670435392
(2018-Aug-02.93967044)
0.00022171 TDB
period 1619.368845687212
4.43
2.5467e-05
6.972e-08
d
yr
n .2223088340613511 3.4961e-09 deg/d
Q 2.912959589476273 3.054e-08 au
  Orbit Determination Parameters
   # obs. used (total)      138  
   data-arc span      7135 days (19.53 yr)  
   first obs. used      2000-02-14  
   last obs. used      2019-08-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5672  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:54:58  

Additional Information
 Earth MOID = 1.47717 au 
 Jupiter MOID = 2.06131 au 
 T_jup = 3.363 
[ 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 16.9   n/a MPO440440  

305752 (2009 DX7)          Discovered 2009-Feb-19 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

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