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JPL Small-Body Database Browser
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172764 (2004 DY42)
Classification: Main-belt Asteroid          SPK-ID: 2172764
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1181468376073464 7.2632e-08  
a 2.90809232735006 3.4458e-08 au
q 2.564510415403462 2.1837e-07 au
i 2.205417962024177 6.2642e-06 deg
node 104.6275826380859 0.00020157 deg
peri 135.244583006361 0.0002094 deg
M 22.39925613689147 6.1906e-05 deg
tp 2458887.795356937129
(2020-Feb-08.29535694)
0.00031122 TDB
period 1811.384773434899
4.96
3.2195e-05
8.815e-08
d
yr
n .1987429756944119 3.5323e-09 deg/d
Q 3.251674239296658 3.8529e-08 au
  Orbit Determination Parameters
   # obs. used (total)      315  
   data-arc span      6409 days (17.55 yr)  
   first obs. used      2001-09-19  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56817  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:53:41  

Additional Information
 Earth MOID = 1.55266 au 
 Jupiter MOID = 1.75333 au 
 T_jup = 3.273 
[ 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 MPO433109  

172764 (2004 DY42)          Discovered 2004-Feb-23 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Alternate Designations
 2004 DY42 = 2001 SV198 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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