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JPL Small-Body Database Browser
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59721 (1999 KM5)
Classification: Main-belt Asteroid          SPK-ID: 2059721
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1175298133412624 5.5919e-08  
a 2.3972966256049 1.0655e-08 au
q 2.115542800673918 1.3115e-07 au
i 10.93224896061685 5.955e-06 deg
node 222.7340849191118 1.9647e-05 deg
peri 167.0625218726349 2.5843e-05 deg
M 334.9062366792795 1.6189e-05 deg
tp 2458695.002736551884
(2019-Jul-30.50273655)
6.1038e-05 TDB
period 1355.754604196266
3.71
9.0383e-06
2.475e-08
d
yr
n .2655347795875045 1.7702e-09 deg/d
Q 2.679050450535883 1.1907e-08 au
  Orbit Determination Parameters
   # obs. used (total)      893  
   data-arc span      7516 days (20.58 yr)  
   first obs. used      1999-05-10  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50759  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 06:12:39  

Additional Information
 Earth MOID = 1.12228 au 
 Jupiter MOID = 2.74305 au 
 T_jup = 3.494 
[ 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 15.2   n/a MPO400574  
diameter diameter 4.187 km 0.089 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.121   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59721 (1999 KM5)          Discovered 1999-May-21 by Spacewatch at Kitt Peak
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 KM5 = 2000 RH82 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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