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JPL Small-Body Database Browser
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523953 (1998 UA3)
Classification: Main-belt Asteroid          SPK-ID: 2523953
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1589175327671013 7.1783e-08  
a 2.232242241648096 1.1082e-08 au
q 1.877499812066878 1.6e-07 au
i 6.687751666632289 8.0966e-06 deg
node 24.70515770097512 4.4773e-05 deg
peri 22.12871474037077 5.4142e-05 deg
M 44.11800236603361 2.3818e-05 deg
tp 2458451.212395585417
(2018-Nov-28.71239559)
8.0655e-05 TDB
period 1218.177041275715
3.34
9.0716e-06
2.484e-08
d
yr
n .2955235469082526 2.2007e-09 deg/d
Q 2.586984671229315 1.2843e-08 au
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      7333 days (20.08 yr)  
   first obs. used      1998-10-20  
   last obs. used      2018-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62836  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 10:47:02  

Additional Information
 Earth MOID = .887955 au 
 Jupiter MOID = 2.80474 au 
 T_jup = 3.616 
[ 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 18.2   n/a MPO456490  

523953 (1998 UA3)          Discovered 1998-Oct-20 by ODAS at Caussols
Reference: Last Updated: 2019-05-29

Alternate Designations
 1998 UA3 = 2008 SG106 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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