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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3792375601671545 8.1222e-08  
a 2.667327284023113 1.8029e-08 AU
q 1.655776592662905 2.1606e-07 AU
i 26.11385765308893 1.7937e-05 deg
node 172.9354357640482 2.1656e-05 deg
peri 237.135439820136 3.322e-05 deg
M 20.7785754228509 1.9666e-05 deg
tp 2456708.661209350726
(2014-Feb-20.16120935)
8.6626e-05 JED
period 1591.156465778657
4.36
1.6132e-05
4.417e-08
d
yr
n .226250533962308 2.2939e-09 deg/d
Q 3.678877975383321 2.4866e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      282  
   data-arc span      9556 days (26.16 yr)  
   first obs. used      1987-09-16  
   last obs. used      2013-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52944  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Nov-21 17:39:40  

Additional Information
 Earth MOID = .76573 AU 
 T_jup = 3.141 
[ 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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