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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2072958523383622 3.7302e-08  
a 2.322912435448695 8.5202e-09 au
q 1.841382322234977 8.6298e-08 au
i 7.008519978159967 4.4278e-06 deg
node 165.9232990784325 3.3636e-05 deg
peri 199.6602554876481 3.5161e-05 deg
M 288.2664664984488 1.1588e-05 deg
tp 2458858.172106957809
(2020-Jan-09.67210696)
4.2297e-05 TDB
period 1293.146370697121
3.54
7.1147e-06
1.948e-08
d
yr
n .2783907592811229 1.5317e-09 deg/d
Q 2.804442548662413 1.0286e-08 au
  Orbit Determination Parameters
   # obs. used (total)      866  
   data-arc span      10251 days (28.07 yr)  
   first obs. used      1991-10-01  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55252  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 04:51:23  

Additional Information
 Earth MOID = .839999 au 
 Jupiter MOID = 2.65128 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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