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58149 (1987 SX11)
Classification: Mars-crossing Asteroid          SPK-ID: 2058149
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3801255783104143 5.8288e-08  
a 2.664996854543351 1.7212e-08 au
q 1.651963384014625 1.4939e-07 au
i 26.13273700150586 7.8352e-06 deg
node 172.9200481328443 1.0639e-05 deg
peri 236.8971388038894 1.4656e-05 deg
M 159.258977751034 1.3469e-05 deg
tp 2458297.516873312067
(2018-Jun-28.01687331)
5.472e-05 TDB
period 1589.071644069452
4.35
1.5394e-05
4.215e-08
d
yr
n .2265473689267253 2.1947e-09 deg/d
Q 3.678030325072077 2.3754e-08 au
  Orbit Determination Parameters
   # obs. used (total)      560  
   data-arc span      11913 days (32.62 yr)  
   first obs. used      1987-09-16  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5448  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 11:32:21  

Additional Information
 Earth MOID = .762448 au 
 Jupiter MOID = 2.18571 au 
 T_jup = 3.141 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1   n/a MPO468480  

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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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