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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 ]

[ 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 .3794266076081685 7.4752e-08  
a 2.667437272094165 2.3487e-08 AU
q 1.655340596935889 2.0075e-07 AU
i 26.12106291678983 1.6294e-05 deg
node 172.9232573879574 2.0827e-05 deg
peri 237.1253172160036 3.0167e-05 deg
M 66.02460682735088 1.8231e-05 deg
tp 2456708.661171905655
(2014-Feb-20.16117191)
7.9134e-05 JED
period 1591.254884541652
4.36
2.1017e-05
5.754e-08
d
yr
n .2262365404167762 2.9881e-09 deg/d
Q 3.679533947252441 3.2399e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      285  
   data-arc span      9939 days (27.21 yr)  
   first obs. used      1987-09-16  
   last obs. used      2014-12-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49766  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 04:45:34  

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 (809)
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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