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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08038453403396141 4.6452e-08  
a 3.173922402339617 4.4294e-08 au
q 2.918788128967595 1.6574e-07 au
i 3.670749123831912 5.553e-06 deg
node 138.4889114251585 9.9599e-05 deg
peri 330.8920636676687 0.00010889 deg
M 337.5386092516297 4.4195e-05 deg
tp 2458729.362640528211
(2019-Sep-02.86264053)
0.00025412 TDB
period 2065.346314030962
5.65
4.3235e-05
1.184e-07
d
yr
n .1743049083605662 3.6488e-09 deg/d
Q 3.429056675711639 4.7855e-08 au
  Orbit Determination Parameters
   # obs. used (total)      248  
   data-arc span      6749 days (18.48 yr)  
   first obs. used      2000-08-03  
   last obs. used      2019-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57075  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:09:37  

Additional Information
 Earth MOID = 1.93641 au 
 Jupiter MOID = 1.65803 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 15.6   n/a MPO422945  

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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