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26113 (1991 PL18)
Classification: Main-belt Asteroid          SPK-ID: 2026113
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 .1616394398290472 4.2454e-08  
a 2.252211069766715 7.6604e-09 au
q 1.888164934072844 9.416e-08 au
i 3.937025571599611 4.0273e-06 deg
node 300.770052252025 6.0776e-05 deg
peri 7.938517303403438 6.2176e-05 deg
M 204.3442391841435 1.4942e-05 deg
tp 2459534.295314968216
(2021-Nov-15.79531497)
5.2444e-05 TDB
period 1234.559597289135
3.38
6.2986e-06
1.724e-08
d
yr
n .2916019613718881 1.4877e-09 deg/d
Q 2.616257205460586 8.8986e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1140  
   data-arc span      10509 days (28.77 yr)  
   first obs. used      1991-08-08  
   last obs. used      2020-05-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49203  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:30:47  

Additional Information
 Earth MOID = .87354 au 
 Jupiter MOID = 2.62397 au 
 T_jup = 3.606 
[ 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 15.6   n/a MPO351006  

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

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