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243436 (2009 DQ57)
Classification: Main-belt Asteroid          SPK-ID: 2243436
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08014537073785379 4.2204e-08  
a 3.172929783811924 3.579e-08 au
q 2.918634149963139 1.4189e-07 au
i 3.671350473105621 5.467e-06 deg
node 138.4860285403627 8.1752e-05 deg
peri 330.6991906236505 9.1516e-05 deg
M 47.45014593229627 3.8957e-05 deg
tp 2458728.402738680548
(2019-Sep-01.90273868)
0.00022378 TDB
period 2064.377509286672
5.65
3.4929e-05
9.563e-08
d
yr
n .174386709010599 2.9506e-09 deg/d
Q 3.42722541766071 3.8659e-08 au
  Orbit Determination Parameters
   # obs. used (total)      292  
   data-arc span      7201 days (19.72 yr)  
   first obs. used      2000-08-03  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54278  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 12:48:44  

Additional Information
 Earth MOID = 1.93604 au 
 Jupiter MOID = 1.65874 au 
 T_jup = 3.193 
[ 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 15.7   n/a MPO470596  

243436 (2009 DQ57)          Discovered 2009-Feb-22 by Spacewatch at Kitt Peak
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

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