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58149 (1987 SX11)
Classification: Mars-crossing Asteroid          SPK-ID: 2058149
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3794266060387552 6.9977e-08  
a 2.667437272423928 2.2933e-08 AU
q 1.655340601326842 1.869e-07 AU
i 26.12106262797107 1.6108e-05 deg
node 172.9232560451731 1.7923e-05 deg
peri 237.1253169729899 2.6112e-05 deg
M 66.02460758874599 1.7607e-05 deg
tp 2456708.661168486055
(2014-Feb-20.16116849)
7.6096e-05 JED
period 1591.254884836731
4.36
2.0521e-05
5.618e-08
d
yr
n .2262365403748234 2.9175e-09 deg/d
Q 3.679533943521013 3.1634e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      307  
   data-arc span      10026 days (27.45 yr)  
   first obs. used      1987-09-16  
   last obs. used      2015-02-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50209  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 16:53:22  

Additional Information
 Earth MOID = .766336 AU 
 T_jup = 3.140 
[ 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 14.9 mag n/a MPO275887  

58149 (1987 SX11)          Discovered 1987-Sep-26 by Debehogne, H. at La Silla
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1987 SX11 = 2000 PS25 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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