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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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06280886778394965 3.6209e-07  
a 2.539595992201166 2.2021e-08 AU
q 2.380086843302355 9.2542e-07 AU
i 9.065870570345936 9.3527e-06 deg
node 37.04538883411889 3.35e-05 deg
peri 332.0128472900693 6.744e-05 deg
M 126.1202665882822 6.9605e-05 deg
tp 2456482.621649896863
(2013-Jul-09.12164990)
0.00028793 JED
period 1478.241452230254
4.05
1.9227e-05
5.264e-08
d
yr
n .2435326106278919 3.1676e-09 deg/d
Q 2.699105141099978 2.3404e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      799  
   data-arc span      13025 days (35.66 yr)  
   first obs. used      1979-05-19  
   last obs. used      2015-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51873  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 15:05:09  

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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