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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3798751895833675 6.8337e-08  
a 2.665620659585532 2.2677e-08 au
q 1.653017506168137 1.8199e-07 au
i 26.13086019344714 1.5723e-05 deg
node 172.9265616871778 1.5476e-05 deg
peri 237.0207593911367 2.36e-05 deg
M 156.6815681462718 1.7977e-05 deg
tp 2456708.650941660639
(2014-Feb-20.15094166)
7.4688e-05 JED
period 1589.629615971496
4.35
2.0285e-05
5.554e-08
d
yr
n .2264678491033192 2.8899e-09 deg/d
Q 3.678223813002926 3.1291e-08 au
  Orbit Determination Parameters
   # obs. used (total)      375  
   data-arc span      10078 days (27.59 yr)  
   first obs. used      1987-09-16  
   last obs. used      2015-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54806  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 18:07:02  

Additional Information
 Earth MOID = .762476 au 
 Jupiter MOID = 2.18315 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 15.0 mag n/a MPO337718  

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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