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26318 (1998 UC20)
Classification: Main-belt Asteroid          SPK-ID: 2026318
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2200213891189137 4.5437e-08  
a 2.385063661912933 9.0043e-09 au
q 1.860298641881807 1.1045e-07 au
i 2.922183335248308 3.5498e-06 deg
node 49.39050685909404 9.1771e-05 deg
peri 267.1534628600663 9.203e-05 deg
M 260.930936904839 7.9527e-06 deg
tp 2458970.740518499991
(2020-May-01.24051850)
3.0479e-05 TDB
period 1345.390604249159
3.68
7.6189e-06
2.086e-08
d
yr
n .267580284017897 1.5153e-09 deg/d
Q 2.90982868194406 1.0985e-08 au
  Orbit Determination Parameters
   # obs. used (total)      961  
   data-arc span      8061 days (22.07 yr)  
   first obs. used      1997-04-11  
   last obs. used      2019-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61134  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:24:22  

Additional Information
 Earth MOID = .848826 au 
 Jupiter MOID = 2.3937 au 
 T_jup = 3.501 
[ 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 15.4   n/a MPO435946  
diameter diameter 2.104 km 0.627 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.303   0.186 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26318 (1998 UC20)          Discovered 1998-Oct-28 by Korlevic, K. at Visnjan
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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