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JPL Small-Body Database Browser
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442539 (2011 YM9)
Classification: Main-belt Asteroid          SPK-ID: 2442539
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04102568168585738 5.7702e-08  
a 3.016615936596419 4.6972e-08 au
q 2.89285721141313 1.9261e-07 au
i 8.791600939961738 5.7592e-06 deg
node 83.35502574945386 3.8874e-05 deg
peri 218.4764773740226 9.2124e-05 deg
M 277.1000212576765 8.3137e-05 deg
tp 2459041.187139642741
(2020-Jul-10.68713964)
0.0004433 TDB
period 1913.72027687133
5.24
4.4698e-05
1.224e-07
d
yr
n .1881152665574253 4.3937e-09 deg/d
Q 3.140374661779709 4.8899e-08 au
  Orbit Determination Parameters
   # obs. used (total)      167  
   data-arc span      6354 days (17.40 yr)  
   first obs. used      2002-01-09  
   last obs. used      2019-06-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58674  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:44  

Additional Information
 Earth MOID = 1.88186 au 
 Jupiter MOID = 1.9653 au 
 T_jup = 3.229 
[ 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 16.1   n/a MPO437721  

442539 (2011 YM9)          Discovered 2010-Jun-13 by WISE at WISE
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Alternate Designations
 2011 YM9 = 2010 LZ95 = 2014 HA183 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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