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213926 (2003 UG257)
Classification: Main-belt Asteroid          SPK-ID: 2213926
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1199094542404839 5.5207e-08  
a 2.349164232149946 1.4864e-08 au
q 2.067477231151581 1.3694e-07 au
i 7.835533179525151 5.0604e-06 deg
node 62.07784928476668 3.4184e-05 deg
peri 314.977533050414 4.0512e-05 deg
M 293.2449601228093 2.6076e-05 deg
tp 2459444.365326490899
(2021-Aug-17.86532649)
9.6749e-05 TDB
period 1315.129429901231
3.60
1.2482e-05
3.417e-08
d
yr
n .2737373157462051 2.5981e-09 deg/d
Q 2.630851233148312 1.6647e-08 au
  Orbit Determination Parameters
   # obs. used (total)      340  
   data-arc span      6601 days (18.07 yr)  
   first obs. used      2002-06-18  
   last obs. used      2020-07-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62402  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:44:40  

Additional Information
 Earth MOID = 1.07722 au 
 Jupiter MOID = 2.83011 au 
 T_jup = 3.537 
[ 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 16.44   n/a E2021B55  

213926 (2003 UG257)          Discovered 2003-Oct-25 by LINEAR at Socorro
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

Alternate Designations
 2003 UG257 = 2003 UT189 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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