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26118 (1991 TH)
Classification: Main-belt Asteroid          SPK-ID: 2026118
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .207175796219576 3.7256e-08  
a 2.32227606026922 8.3536e-09 au
q 1.841156668441285 8.6208e-08 au
i 7.009419000824831 4.4281e-06 deg
node 165.9094841279246 3.3577e-05 deg
peri 199.7632506438412 3.5109e-05 deg
M 39.57722694667735 1.1862e-05 deg
tp 2458858.394117784579
(2020-Jan-09.89411778)
4.2223e-05 TDB
period 1292.615009800386
3.54
6.9746e-06
1.91e-08
d
yr
n .2785051985862314 1.5027e-09 deg/d
Q 2.803395452097156 1.0084e-08 au
  Orbit Determination Parameters
   # obs. used (total)      869  
   data-arc span      10259 days (28.09 yr)  
   first obs. used      1991-10-01  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55167  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 00:49:55  

Additional Information
 Earth MOID = .840676 au 
 Jupiter MOID = 2.65596 au 
 T_jup = 3.538 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO435945  
diameter diameter 3.186 km 0.174 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.100   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26118 (1991 TH)          Discovered 1991-Oct-01 by McNaught, R. H. at Siding Spring
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 TH = 2000 DK13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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