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58187 (1991 TD)
Classification: Main-belt Asteroid          SPK-ID: 2058187
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1983853702817311 1.0511e-07  
a 2.64701525162672 2.9333e-08 AU
q 2.121886150791363 2.6987e-07 AU
i 14.46486260203696 1.0881e-05 deg
node 42.83687470803624 3.0966e-05 deg
peri 319.0909120707984 3.8336e-05 deg
M 132.0336654666905 2.632e-05 deg
tp 2456423.580429239048
(2013-May-11.08042924)
0.00011192 JED
period 1573.015826984968
4.31
2.6147e-05
7.159e-08
d
yr
n .2288597443358339 3.8042e-09 deg/d
Q 3.172144352462076 3.5153e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      373  
   data-arc span      8507 days (23.29 yr)  
   first obs. used      1991-10-01  
   last obs. used      2015-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60201  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 15:25:22  

Additional Information
 Earth MOID = 1.14267 AU 
 T_jup = 3.320 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7 mag n/a MPO280099  

58187 (1991 TD)          Discovered 1991-Oct-01 by McNaught, R. H. at Siding Spring (413)
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 TD = 2000 TX33 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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