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JPL Small-Body Database Browser
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379391 (2009 YR9)
Classification: Main-belt Asteroid          SPK-ID: 2379391
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1176461674408917 7.4893e-08  
a 2.718038629019627 4.5997e-08 au
q 2.398271801359172 2.2485e-07 au
i 4.354750244054338 7.3997e-06 deg
node 230.6241503212623 9.8085e-05 deg
peri 272.3033569434758 0.00011008 deg
M 88.0767102256969 4.0837e-05 deg
tp 2458600.057238237072
(2019-Apr-26.55723824)
0.00018804 TDB
period 1636.748169467788
4.48
4.1548e-05
1.138e-07
d
yr
n .2199483138063073 5.5832e-09 deg/d
Q 3.037805456680081 5.1408e-08 au
  Orbit Determination Parameters
   # obs. used (total)      125  
   data-arc span      6142 days (16.82 yr)  
   first obs. used      2002-04-06  
   last obs. used      2019-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61563  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:15:11  

Additional Information
 Earth MOID = 1.41561 au 
 Jupiter MOID = 2.00194 au 
 T_jup = 3.346 
[ 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 16.7   n/a MPO423396  

379391 (2009 YR9)          Discovered 2009-Dec-17 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-11-20

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