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JPL Small-Body Database Browser
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201663 (2003 UB12)
Classification: Main-belt Asteroid          SPK-ID: 2201663
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1539002868089896 4.7055e-08  
a 3.117566087817771 3.1975e-08 au
q 2.637771772756636 1.5756e-07 au
i 2.286629209048256 4.6255e-06 deg
node 59.96666051156675 0.00016556 deg
peri 331.2119137716705 0.00016716 deg
M 297.8111141112457 2.1088e-05 deg
tp 2458947.821929960741
(2020-Apr-08.32192996)
0.00011838 TDB
period 2010.582646705318
5.50
3.0932e-05
8.469e-08
d
yr
n .1790525749289248 2.7547e-09 deg/d
Q 3.597360402878905 3.6897e-08 au
  Orbit Determination Parameters
   # obs. used (total)      215  
   data-arc span      5820 days (15.93 yr)  
   first obs. used      2003-10-19  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64982  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 23:01:30  

Additional Information
 Earth MOID = 1.64311 au 
 Jupiter MOID = 1.83885 au 
 T_jup = 3.197 
[ 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 16.2   n/a MPO454429  
diameter diameter 3.748 km 0.858 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.038   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

201663 (2003 UB12)          Discovered 2003-Oct-19 by Spacewatch at Kitt Peak
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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