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13364 (1998 UK20)
Classification: Main-belt Asteroid          SPK-ID: 2013364
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1126842851188674 6.5635e-08  
a 2.734173971817228 3.0378e-08 AU
q 2.42607553241239 1.8553e-07 AU
i 15.09301919915324 8.7484e-06 deg
node 21.00628304596891 2.5991e-05 deg
peri 231.7766126346068 4.6088e-05 deg
M 303.0888816857091 4.153e-05 deg
tp 2457061.555148532764
(2015-Feb-08.05514853)
0.00019164 JED
period 1651.34434633304
4.52
2.7521e-05
7.535e-08
d
yr
n .2180041980943664 3.6332e-09 deg/d
Q 3.042272411222067 3.3801e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      900  
   data-arc span      14009 days (38.35 yr)  
   first obs. used      1975-11-26  
   last obs. used      2014-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51983  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:03:47  

Additional Information
 Earth MOID = 1.44338 AU 
 T_jup = 3.294 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.6 mag n/a MPO250344  

13364 (1998 UK20)          Discovered 1998-Oct-20 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: 20000124/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 UK20 = 1975 WT1 = 1980 XM1 = 1991 CH3 = 1996 DE3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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