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48816 (1997 WP3)
Classification: Main-belt Asteroid          SPK-ID: 2048816
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06280899084943156 4.1257e-07  
a 2.539595985789605 2.4872e-08 AU
q 2.380086524756893 1.0581e-06 AU
i 9.065876197633203 1.0129e-05 deg
node 37.04539091398496 3.3535e-05 deg
peri 332.0128674772888 7.7035e-05 deg
M 126.1202401223062 8.2586e-05 deg
tp 2456482.621760533332
(2013-Jul-09.12176053)
0.00034281 JED
period 1478.241446632217
4.05
2.1717e-05
5.946e-08
d
yr
n .2435326115501395 3.5777e-09 deg/d
Q 2.699105446822317 2.6435e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      784  
   data-arc span      12716 days (34.81 yr)  
   first obs. used      1979-05-19  
   last obs. used      2014-03-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5182  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 14:59:45  

Additional Information
 Earth MOID = 1.38455 AU 
 T_jup = 3.426 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2 mag n/a MPO280001  

48816 (1997 WP3)          Discovered 1997-Nov-19 by BAO Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

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