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72899 (2001 KA61)
Classification: Main-belt Asteroid          SPK-ID: 2072899
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08347568539822242 4.7009e-08  
a 3.105795365913069 2.2989e-08 au
q 2.846536969036853 1.5096e-07 au
i 9.928963648996858 4.7668e-06 deg
node 213.4573941873717 2.4045e-05 deg
peri 168.0594036363628 3.791e-05 deg
M 60.9736788353762 2.7103e-05 deg
tp 2458861.891713998634
(2020-Jan-13.39171400)
0.00015061 TDB
period 1999.206629627986
5.47
2.2197e-05
6.077e-08
d
yr
n .1800714316693663 1.9993e-09 deg/d
Q 3.365053762789286 2.4908e-08 au
  Orbit Determination Parameters
   # obs. used (total)      952  
   data-arc span      7685 days (21.04 yr)  
   first obs. used      2000-03-04  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50924  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:16:26  

Additional Information
 Earth MOID = 1.84948 au 
 Jupiter MOID = 2.0818 au 
 T_jup = 3.192 
[ 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 14.45   n/a MPCxxxxx  
diameter diameter 4.694 km 0.238 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.153   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72899 (2001 KA61)          Discovered 2001-May-17 by Spacewatch at Kitt Peak
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 KA61 = 2002 PZ72 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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