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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05245740101874293 9.7894e-08  
a 3.215387652394214 5.9761e-08 au
q 3.046716772881856 3.295e-07 au
i 13.69080006752018 1.0905e-05 deg
node 196.11679293 2.3588e-05 deg
peri 28.07225510126934 6.7208e-05 deg
M 235.3102195073876 6.4353e-05 deg
tp 2459329.918536979389
(2021-Apr-25.41853698)
0.00038329 TDB
period 2105.95184525277
5.77
5.8712e-05
1.607e-07
d
yr
n .1709440796623678 4.7657e-09 deg/d
Q 3.384058531906571 6.2896e-08 au
  Orbit Determination Parameters
   # obs. used (total)      141  
   data-arc span      6673 days (18.27 yr)  
   first obs. used      2000-09-29  
   last obs. used      2019-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54987  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:39:34  

Additional Information
 Earth MOID = 2.04666 au 
 Jupiter MOID = 1.58778 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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