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357913 (2005 WQ4)
Classification: Outer Main-belt Asteroid          SPK-ID: 2357913
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1945558094250138 5.4927e-08  
a 3.201666538259098 5.2623e-08 au
q 2.578763713399117 1.7654e-07 au
i 15.35684164167454 7.3003e-06 deg
node 304.1276389389046 2.6977e-05 deg
peri 108.0735680441358 3.6981e-05 deg
M 191.7815281231273 2.3527e-05 deg
tp 2459978.263351796957
(2023-Feb-02.76335180)
0.00014876 TDB
period 2092.486055304003
5.73
5.1588e-05
1.412e-07
d
yr
n .1720441572776446 4.2416e-09 deg/d
Q 3.824569363119079 6.2861e-08 au
  Orbit Determination Parameters
   # obs. used (total)      213  
   data-arc span      4957 days (13.57 yr)  
   first obs. used      2005-11-05  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61073  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:43:18  

Additional Information
 Earth MOID = 1.64022 au 
 Jupiter MOID = 1.72223 au 
 T_jup = 3.109 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO476675  
diameter diameter 4.394 km 0.637 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.083   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

357913 (2005 WQ4)          Discovered 2005-Nov-20 by CSS at Catalina
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

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