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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2177923687430728 6.6603e-08  
a 2.292681037916914 1.959e-08 AU
q 1.793352603896663 1.5739e-07 AU
i 24.47920454925418 8.2783e-06 deg
node 109.0902868201641 1.6116e-05 deg
peri 136.4134271637716 2.6644e-05 deg
M 236.6512773241408 2.6019e-05 deg
tp 2457434.956241988370
(2016-Feb-16.45624199)
9.5351e-05 JED
period 1267.984327059622
3.47
1.6252e-05
4.45e-08
d
yr
n .2839151812190124 3.639e-09 deg/d
Q 2.792009471937166 2.3857e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      685  
   data-arc span      6139 days (16.81 yr)  
   first obs. used      1998-04-22  
   last obs. used      2015-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5366  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 16:11:12  

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 14.0 mag n/a MPO324695  

42930 (1999 TM11)          Discovered 1999-Oct-06 by McNaught, R. H. at Siding Spring
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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