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26297 (1998 SK118)
Classification: Main-belt Asteroid          SPK-ID: 2026297
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1012527357459868 3.3865e-08  
a 2.342515695525944 8.6924e-09 au
q 2.105329572826029 7.9684e-08 au
i 6.987642473413874 4.2514e-06 deg
node 10.54121994995208 3.2036e-05 deg
peri 250.285382767699 3.9299e-05 deg
M 11.25006891794663 2.1787e-05 deg
tp 2458559.576301796854
(2019-Mar-17.07630180)
7.9286e-05 TDB
period 1309.550320143427
3.59
7.2891e-06
1.996e-08
d
yr
n .274903525632044 1.5301e-09 deg/d
Q 2.579701818225859 9.5726e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1634  
   data-arc span      10227 days (28.00 yr)  
   first obs. used      1991-10-31  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47963  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 04:52:10  

Additional Information
 Earth MOID = 1.10247 au 
 Jupiter MOID = 2.48271 au 
 T_jup = 3.546 
[ 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 14.0   n/a MPO400266  
diameter diameter 3.217 km 0.595 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.470   0.140 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26297 (1998 SK118)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 SK118 = 1991 UW4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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