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434636 (2005 WA57)
Classification: Main-belt Asteroid          SPK-ID: 2434636
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1797691429909296 5.6621e-08  
a 2.419852408316459 2.0607e-08 au
q 1.984837614708872 1.4395e-07 au
i 3.115944849962029 6.3797e-06 deg
node 63.17549224584045 0.00010912 deg
peri 269.7577129357207 0.00011089 deg
M 23.56039046777864 2.0071e-05 deg
tp 2458910.516739140095
(2020-Mar-02.01673914)
7.6173e-05 TDB
period 1374.933660537934
3.76
1.7563e-05
4.808e-08
d
yr
n .261830814338455 3.3446e-09 deg/d
Q 2.854867201924046 2.4312e-08 au
  Orbit Determination Parameters
   # obs. used (total)      165  
   data-arc span      6485 days (17.75 yr)  
   first obs. used      2001-10-23  
   last obs. used      2019-07-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57891  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:35:29  

Additional Information
 Earth MOID = .977542 au 
 Jupiter MOID = 2.50852 au 
 T_jup = 3.490 
[ 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 17.5   n/a MPO477036  

434636 (2005 WA57)          Discovered 2005-Nov-29 by Healy, D. at Junk Bond
Reference: Last Updated: 2015-06-04

Alternate Designations
 2005 WA57 = 2001 UV141 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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