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305842 (2009 DY142)
Classification: Outer Main-belt Asteroid          SPK-ID: 2305842
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05230598569629133 8.3628e-08  
a 3.2142328785642 5.292e-08 au
q 3.046109259593472 2.9825e-07 au
i 13.69219745325429 8.0934e-06 deg
node 196.1015137997505 2.1766e-05 deg
peri 28.48567970111703 6.6068e-05 deg
M 303.28707392809 6.525e-05 deg
tp 2459332.084323480048
(2021-Apr-27.58432348)
0.00038509 TDB
period 2104.817450283905
5.76
5.1982e-05
1.423e-07
d
yr
n .1710362102668058 4.224e-09 deg/d
Q 3.382356497534929 5.5688e-08 au
  Orbit Determination Parameters
   # obs. used (total)      184  
   data-arc span      7146 days (19.56 yr)  
   first obs. used      2000-09-29  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51116  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:01:29  

Additional Information
 Earth MOID = 2.046 au 
 Jupiter MOID = 1.58893 au 
 T_jup = 3.144 
[ 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 MPO423162  

305842 (2009 DY142)          Discovered 2009-Feb-27 by Spacewatch at Kitt Peak
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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