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26113 (1991 PL18)
Classification: Main-belt Asteroid          SPK-ID: 2026113
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1622365949892973 7.3976e-08  
a 2.251738280703591 2.07e-08 AU
q 1.886423929235185 1.7064e-07 AU
i 3.938095273370591 8.0818e-06 deg
node 300.8565902249035 0.00012224 deg
peri 7.921396518590195 0.00012462 deg
M 282.7490962800113 3.282e-05 deg
tp 2457065.335598553041
(2015-Feb-11.83559855)
0.00011464 JED
period 1234.170875523691
3.38
1.7018e-05
4.659e-08
d
yr
n .2916938060519719 4.0222e-09 deg/d
Q 2.617052632171995 2.4058e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      441  
   data-arc span      8363 days (22.90 yr)  
   first obs. used      1991-08-08  
   last obs. used      2014-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55696  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:54:36  

Additional Information
 Earth MOID = .870888 AU 
 T_jup = 3.606 
[ 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 15.4 mag n/a MPO250462  

26113 (1991 PL18)          Discovered 1991-Aug-08 by Holt, H. E. at Palomar (675)
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 PL18 = 1998 SV142 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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