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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3801255805835604 5.9561e-08  
a 2.664996852598613 1.731e-08 au
q 1.651963376751204 1.5268e-07 au
i 26.1327310569919 8.7852e-06 deg
node 172.920054116366 1.125e-05 deg
peri 236.8971126643465 1.5994e-05 deg
M 159.2589909773033 1.3763e-05 deg
tp 2458297.516815699638
(2018-Jun-28.01681570)
5.6287e-05 TDB
period 1589.071642330053
4.35
1.5482e-05
4.239e-08
d
yr
n .2265473691747041 2.2072e-09 deg/d
Q 3.678030328446022 2.389e-08 au
  Orbit Determination Parameters
   # obs. used (total)      533  
   data-arc span      11548 days (31.62 yr)  
   first obs. used      1987-09-16  
   last obs. used      2019-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55471  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:33:20  

Additional Information
 Earth MOID = .762448 au 
 Jupiter MOID = 2.18571 au 
 T_jup = 3.141 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456960.5 (2014-Oct-30.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3793923761627884 5.9389e-08  
q 1.655535406216806 1.5217e-07 au
tp 2456708.667986812858
(2014-Feb-20.16798681)
4.8753e-05 TDB
node 172.9247756771329 1.1252e-05 deg
peri 237.1355892846506 1.6008e-05 deg
i 26.11887217109198 8.7809e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      533  
   data-arc span      11548 days (31.62 yr)  
   first obs. used      1987-09-16  
   last obs. used      2019-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55471  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:33:20  

Additional Information
 Jupiter MOID = 2.18571 au 
 T_jup = 3.141 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.527040023374273E-15 -9.02267649683136E-15 2.418867156438826E-13 -1.459141930296165E-15 -1.429798647439334E-13 -3.538928316399074E-15
q -9.02267649683136E-15 2.315494187877594E-14 -4.590190731448011E-13 1.675361390745586E-15 4.016850575895278E-13 4.586270193968449E-15
tp 2.418867156438826E-13 -4.590190731448011E-13 2.376883988027084E-9 -2.851423323248707E-11 5.476061591051898E-10 -2.350678282554227E-11
node -1.459141930296165E-15 1.675361390745586E-15 -2.851423323248707E-11 1.26609551651348E-10 -1.190101828765264E-10 -1.512585607198319E-11
peri -1.429798647439334E-13 4.016850575895278E-13 5.476061591051898E-10 -1.190101828765264E-10 2.562431680168679E-10 8.510396312794239E-12
i -3.538928316399074E-15 4.586270193968449E-15 -2.350678282554227E-11 -1.512585607198319E-11 8.510396312794239E-12 7.710365218558461E-11

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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