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136215 (2003 WK61)
Classification: Main-belt Asteroid          SPK-ID: 2136215
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05198322736883486 4.4362e-08  
a 2.534684251628055 1.7192e-08 au
q 2.402923183867469 1.1064e-07 au
i 12.88233448157152 5.0018e-06 deg
node 61.79903922311829 1.8742e-05 deg
peri 194.1252763759572 4.5672e-05 deg
M 197.5444224701623 4.3168e-05 deg
tp 2459665.645032933147
(2022-Mar-27.14503293)
0.00017802 TDB
period 1473.955006635296
4.04
1.4996e-05
4.106e-08
d
yr
n .2442408339327794 2.4849e-09 deg/d
Q 2.666445319388641 1.8086e-08 au
  Orbit Determination Parameters
   # obs. used (total)      545  
   data-arc span      7310 days (20.01 yr)  
   first obs. used      1999-11-12  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57214  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 11:03:15  

Additional Information
 Earth MOID = 1.39034 au 
 Jupiter MOID = 2.34989 au 
 T_jup = 3.412 
[ 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 15.7   n/a MPO502855  
diameter diameter 2.350 km 0.344 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.221   0.104 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

136215 (2003 WK61)          Discovered 2003-Nov-19 by Spacewatch at Kitt Peak
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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