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12763 (1993 UQ2)
Classification: Main-belt Asteroid          SPK-ID: 2012763
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09494253869534633 4.1885e-08  
a 3.057325991206496 1.4229e-08 au
q 2.767055699982085 1.278e-07 au
i 9.73614855153377 4.9078e-06 deg
node 179.992467576529 2.0021e-05 deg
peri 167.131283170875 2.7882e-05 deg
M 29.63457193097371 1.8559e-05 deg
tp 2458839.766201953544
(2019-Dec-22.26620195)
0.00010062 TDB
period 1952.589949046813
5.35
1.3632e-05
3.732e-08
d
yr
n .1843705075792998 1.2871e-09 deg/d
Q 3.347596282430907 1.558e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1838  
   data-arc span      13923 days (38.12 yr)  
   first obs. used      1982-09-16  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50449  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:50:47  

Additional Information
 Earth MOID = 1.76167 au 
 Jupiter MOID = 2.09903 au 
 T_jup = 3.206 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.2   n/a MPO309251  
diameter diameter 8.636 km 0.166 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.149   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

12763 (1993 UQ2)          Discovered 1993-Oct-19 by Helin, E. F. at Palomar
Reference: 19991222/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 UQ2 = 1982 SH12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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