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JPL Small-Body Database Browser
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447897 (2007 WP49)
Classification: Main-belt Asteroid          SPK-ID: 2447897
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05501790458126612 1.1556e-07  
a 2.587916129600073 3.214e-08 au
q 2.445534406917417 2.8523e-07 au
i 11.4834495641741 8.9094e-06 deg
node 229.3089956871619 3.0068e-05 deg
peri .670132916333343 0.00014629 deg
M 197.3366032632557 0.00015052 deg
tp 2459687.585936272116
(2022-Apr-18.08593627)
0.00063252 TDB
period 1520.630590656337
4.16
2.8327e-05
7.756e-08
d
yr
n .2367438891549697 4.4102e-09 deg/d
Q 2.730297852282729 3.3908e-08 au
  Orbit Determination Parameters
   # obs. used (total)      167  
   data-arc span      5425 days (14.85 yr)  
   first obs. used      2005-03-13  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5097  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 11:11:13  

Additional Information
 Earth MOID = 1.43512 au 
 Jupiter MOID = 2.25998 au 
 T_jup = 3.391 
[ 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 16.5   n/a MPO456122  

447897 (2007 WP49)          Discovered 2007-Nov-08 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-10-28

Alternate Designations
 2007 WP49 = 2011 UD258 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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