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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1009346340099328 3.3722e-08  
a 2.341797607292405 8.5735e-09 au
q 2.10542912287501 7.9168e-08 au
i 6.987972486804792 4.2452e-06 deg
node 10.52807135600237 3.1891e-05 deg
peri 250.1930991191238 3.922e-05 deg
M 121.3660979048679 2.1776e-05 deg
tp 2458559.216842534108
(2019-Mar-16.71684253)		 7.9494e-05 TDB
period 1308.94821066295
3.58		 7.1882e-06
1.968e-08		 d
yr
n .2750299798474599 1.5104e-09 deg/d
Q 2.5781660917098 9.4388e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1676  
   data-arc span      10304 days (28.21 yr)  
   first obs. used      1991-10-31  
   last obs. used      2020-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49135  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:42:20  

Additional Information
 Earth MOID = 1.10287 au 
 Jupiter MOID = 2.48339 au 
 T_jup = 3.547 
[ 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 14.1   n/a MPO502354  
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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