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JPL Small-Body Database Browser
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434274 (2003 WY78)
Classification: Main-belt Asteroid          SPK-ID: 2434274
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2861844486814303 7.8901e-08  
a 2.635888706233254 4.147e-08 au
q 1.881538350054281 2.1315e-07 au
i 5.08607881823732 2.1869e-05 deg
node 261.1246573595367 0.0001079 deg
peri 91.87884315415594 0.00011739 deg
M 255.2770030181009 5.1665e-05 deg
tp 2459055.203809277147
(2020-Jul-24.70380928)
0.0002334 TDB
period 1563.108162078922
4.28
3.6889e-05
1.01e-07
d
yr
n .230310357743384 5.4352e-09 deg/d
Q 3.390239062412226 5.3339e-08 au
  Orbit Determination Parameters
   # obs. used (total)      80  
   data-arc span      4790 days (13.11 yr)  
   first obs. used      2003-10-25  
   last obs. used      2016-12-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61959  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 13:47:13  

Additional Information
 Earth MOID = .883931 au 
 Jupiter MOID = 2.10077 au 
 T_jup = 3.333 
[ 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 17.4   n/a MPO342180  

434274 (2003 WY78)          Discovered 2003-Nov-20 by LINEAR at Socorro
Reference: Last Updated: 2015-06-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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