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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1334048179276764 3.6682e-08  
a 2.356103821565314 1.0215e-08 au
q 2.041788220230691 8.5104e-08 au
i 5.051923178832281 4.4734e-06 deg
node 297.97133053 4.4058e-05 deg
peri 163.290920019944 4.7708e-05 deg
M 199.531823891191 1.9696e-05 deg
tp 2459589.311763714485
(2022-Jan-09.81176371)
7.4486e-05 TDB
period 1320.961202883505
3.62
8.5905e-06
2.352e-08
d
yr
n .2725288215991217 1.7723e-09 deg/d
Q 2.670419422899937 1.1578e-08 au
  Orbit Determination Parameters
   # obs. used (total)      815  
   data-arc span      9209 days (25.21 yr)  
   first obs. used      1995-07-25  
   last obs. used      2020-10-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5613  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:43:19  

Additional Information
 Earth MOID = 1.05925 au 
 Jupiter MOID = 2.46079 au 
 T_jup = 3.537 
[ 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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