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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1177675736553039 5.4597e-08  
a 2.397740792689949 1.0392e-08 au
q 2.115364677280509 1.2745e-07 au
i 10.93106467341902 5.5328e-06 deg
node 222.7303558774961 1.8647e-05 deg
peri 167.0449215459233 2.4932e-05 deg
M 81.1094154615507 1.5812e-05 deg
tp 2458694.958261340731
(2019-Jul-30.45826134)
5.9391e-05 TDB
period 1356.13140954615
3.71
8.8164e-06
2.414e-08
d
yr
n .2654609999192332 1.7258e-09 deg/d
Q 2.680116908099389 1.1616e-08 au
  Orbit Determination Parameters
   # obs. used (total)      999  
   data-arc span      7573 days (20.73 yr)  
   first obs. used      1999-05-10  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48923  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:52:53  

Additional Information
 Earth MOID = 1.12276 au 
 Jupiter MOID = 2.74365 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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