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66395 (1999 KS12)
Classification: Main-belt Asteroid          SPK-ID: 2066395
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1907619535628501 3.9055e-08  
a 2.417395706977529 9.795e-09 au
q 1.956248579380049 9.5964e-08 au
i 2.015861014188231 4.1371e-06 deg
node 235.4502062157852 0.00011486 deg
peri 16.93230929820594 0.00011535 deg
M 260.3778296720134 1.2059e-05 deg
tp 2459580.403718748293
(2021-Dec-31.90371875)
4.7283e-05 TDB
period 1372.840385820868
3.76
8.3439e-06
2.284e-08
d
yr
n .262230047803222 1.5938e-09 deg/d
Q 2.87854283457501 1.1664e-08 au
  Orbit Determination Parameters
   # obs. used (total)      828  
   data-arc span      7986 days (21.86 yr)  
   first obs. used      1999-05-10  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5209  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:01:42  

Additional Information
 Earth MOID = .940358 au 
 Jupiter MOID = 2.1638 au 
 T_jup = 3.490 
[ 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 15.8   n/a MPO406489  
diameter diameter 1.672 km 0.343 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.209   0.164 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66395 (1999 KS12)          Discovered 1999-May-18 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 KS12 = 2002 AB40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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