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344191 (2001 KB18)
Classification: Mars-crossing Asteroid          SPK-ID: 2344191
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3202333705397183 6.4653e-08  
a 2.367983610199972 1.4582e-08 au
q 1.609676237322824 1.5632e-07 au
i 5.013064706953196 7.0832e-06 deg
node 255.8515889595549 0.00012107 deg
peri 36.49024187631476 0.00012212 deg
M 55.16696151215552 2.0798e-05 deg
tp 2458796.540927278824
(2019-Nov-09.04092728)
7.5937e-05 TDB
period 1330.964478865574
3.64
1.2294e-05
3.366e-08
d
yr
n .2704805467887769 2.4984e-09 deg/d
Q 3.126290983077119 1.9251e-08 au
  Orbit Determination Parameters
   # obs. used (total)      144  
   data-arc span      6618 days (18.12 yr)  
   first obs. used      2001-05-20  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67846  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:00:50  

Additional Information
 Earth MOID = .597004 au 
 Jupiter MOID = 2.09136 au 
 T_jup = 3.471 
[ 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 17.4   n/a MPO434164  

344191 (2001 KB18)          Discovered 2001-May-20 by Pravec, P., Kusnirak, P. at Ondrejov
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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