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115857 (2003 UA273)
Classification: Main-belt Asteroid          SPK-ID: 2115857
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05767199794881899 4.2344e-08  
a 2.667845269228093 1.5709e-08 au
q 2.513985302333404 1.2108e-07 au
i 4.280741095036043 3.7081e-06 deg
node 111.4829520325694 6.1017e-05 deg
peri 327.4782945494098 7.4031e-05 deg
M 310.7066451740649 4.1805e-05 deg
tp 2459418.434134975889
(2021-Jul-22.93413498)
0.00018485 TDB
period 1591.619983431138
4.36
1.4058e-05
3.849e-08
d
yr
n .2261846444174 1.9977e-09 deg/d
Q 2.821705236122782 1.6615e-08 au
  Orbit Determination Parameters
   # obs. used (total)      781  
   data-arc span      7737 days (21.18 yr)  
   first obs. used      1999-12-07  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52142  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:45:29  

Additional Information
 Earth MOID = 1.53051 au 
 Jupiter MOID = 2.30699 au 
 T_jup = 3.376 
[ 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 15.53   n/a MPCxxxxx  

115857 (2003 UA273)          Discovered 2003-Oct-29 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2003 UA273 = 1999 XD84 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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