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JPL Small-Body Database Browser
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48221 (2001 KA41)
Classification: Main-belt Asteroid          SPK-ID: 2048221
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1309655781808829 3.0286e-08  
a 2.614180013687403 1.1052e-08 au
q 2.271812416725924 7.949e-08 au
i 13.90709200523814 4.1973e-06 deg
node 177.6022627577775 1.7259e-05 deg
peri 130.0468619381626 2.5358e-05 deg
M 31.21875148515502 1.955e-05 deg
tp 2458466.620311973984
(2018-Dec-14.12031197)
8.3607e-05 TDB
period 1543.837770459332
4.23
9.7905e-06
2.68e-08
d
yr
n .2331851227431044 1.4788e-09 deg/d
Q 2.956547610648882 1.25e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1240  
   data-arc span      17763 days (48.63 yr)  
   first obs. used      1971-04-16  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50327  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:10:24  

Additional Information
 Earth MOID = 1.2836 au 
 Jupiter MOID = 2.43361 au 
 T_jup = 3.355 
[ 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 14.6   n/a MPO439421  
diameter diameter 2.941 km 0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.389   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48221 (2001 KA41)          Discovered 2001-May-23 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 KA41 = 2000 CA97 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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