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JPL Small-Body Database Browser
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47220 (1999 UJ46)
Classification: Main-belt Asteroid          SPK-ID: 2047220
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1338055984830324 3.8366e-08  
a 2.354541393516344 1.1297e-08 au
q 2.039490573203817 8.8862e-08 au
i 5.049223965817165 4.7023e-06 deg
node 297.9991786110613 5.7144e-05 deg
peri 162.8124271302006 6.1625e-05 deg
M 91.01084924516526 2.2076e-05 deg
tp 2458266.882681137808
(2018-May-28.38268114)		 8.0347e-05 TDB
period 1319.647446282557
3.61		 9.4972e-06
2.6e-08		 d
yr
n .272800133864631 1.9633e-09 deg/d
Q 2.669592213828872 1.2808e-08 au
   Orbit Determination Parameters
   # obs. used (total)      724  
   data-arc span      8691 days (23.79 yr)  
   first obs. used      1995-07-25  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56587  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:35:10  

Additional Information
 Earth MOID = 1.05714 au 
 Jupiter MOID = 2.46455 au 
 T_jup = 3.538 
[ 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 16.0   n/a MPO474347  

47220 (1999 UJ46)          Discovered 1999-Oct-31 by CSS at Catalina
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

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