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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2177923628908251 6.9752e-08  
a 2.292681036680987 2.0189e-08 AU
q 1.793352616347249 1.6334e-07 AU
i 24.47920516225897 8.2904e-06 deg
node 109.0902701554336 2.0009e-05 deg
peri 136.4134437548062 2.9595e-05 deg
M 236.6512767585059 2.6143e-05 deg
tp 2457434.956243629330
(2016-Feb-16.45624363)
9.5653e-05 JED
period 1267.984326034313
3.47
1.6749e-05
4.586e-08
d
yr
n .2839151814485898 3.7502e-09 deg/d
Q 2.792009457014726 2.4586e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      591  
   data-arc span      6099 days (16.70 yr)  
   first obs. used      1998-04-22  
   last obs. used      2015-01-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56456  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 03:59:30  

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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