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42930 (1999 TM11)
Classification: Main-belt Asteroid          SPK-ID: 2042930
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .217792352237378 7.29e-08  
a 2.292681034096317 2.0839e-08 AU
q 1.793352638750456 1.6931e-07 AU
i 24.47920480470119 8.3174e-06 deg
node 109.0902616512336 2.3403e-05 deg
peri 136.4134563325933 3.3101e-05 deg
M 236.6512742951008 2.6395e-05 deg
tp 2457434.956251571203
(2016-Feb-16.45625157)
9.6341e-05 JED
period 1267.984323890107
3.47
1.7288e-05
4.733e-08
d
yr
n .2839151819287004 3.8709e-09 deg/d
Q 2.792009429442178 2.5377e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      532  
   data-arc span      5737 days (15.71 yr)  
   first obs. used      1998-04-22  
   last obs. used      2014-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58544  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 05:53:13  

Additional Information
 Earth MOID = .828657 AU 
 T_jup = 3.449 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.9 mag n/a MPO279942  

42930 (1999 TM11)          Discovered 1999-Oct-06 by McNaught, R. H. at Siding Spring (413)
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TM11 = 1998 HL4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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