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129806 (1999 KL11)
Classification: Main-belt Asteroid          SPK-ID: 2129806
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1668929423924158 3.5513e-08  
a 2.340398580593574 1.4788e-08 au
q 1.949802575107279 8.3881e-08 au
i 3.713966181619419 4.5816e-06 deg
node 120.2330712522008 8.7464e-05 deg
peri 160.2442971777015 9.1446e-05 deg
M 285.0729898626713 3.161e-05 deg
tp 2459272.688058726234
(2021-Feb-27.18805873)
0.00011671 TDB
period 1307.775406516944
3.58
1.2395e-05
3.394e-08
d
yr
n .2752766248746059 2.609e-09 deg/d
Q 2.730994586079869 1.7256e-08 au
  Orbit Determination Parameters
   # obs. used (total)      378  
   data-arc span      9146 days (25.04 yr)  
   first obs. used      1995-04-04  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61449  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 21:47:17  

Additional Information
 Earth MOID = .933825 au 
 Jupiter MOID = 2.40145 au 
 T_jup = 3.543 
[ 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 16.7   n/a MPO469354  
diameter diameter 2.349 km 0.192 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.073   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

129806 (1999 KL11)          Discovered 1999-May-18 by LINEAR at Socorro
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

[ show close-approach data ]
Alternate Designations
 1999 KL11 = 2003 OR30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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