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359325 (2009 KQ18)
Classification: Main-belt Asteroid          SPK-ID: 2359325
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1632341446388804 8.7072e-08  
a 2.619666126782826 3.6568e-08 au
q 2.192047167337982 2.4516e-07 au
i 17.13945387921765 8.3065e-06 deg
node 199.5678364880679 1.5777e-05 deg
peri 357.8310301998412 2.4022e-05 deg
M 244.9321930277772 2.4012e-05 deg
tp 2459495.515364622728
(2021-Oct-08.01536462)
0.00011197 TDB
period 1548.700161698578
4.24
3.2428e-05
8.878e-08
d
yr
n .2324530008476015 4.8672e-09 deg/d
Q 3.047285086227669 4.2537e-08 au
  Orbit Determination Parameters
   # obs. used (total)      185  
   data-arc span      4779 days (13.08 yr)  
   first obs. used      2006-10-02  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59142  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 23:25:25  

Additional Information
 Earth MOID = 1.1903 au 
 Jupiter MOID = 1.91141 au 
 T_jup = 3.324 
[ 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 16.8   n/a MPO455593  
diameter diameter 2.889 km 0.390 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.044   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

359325 (2009 KQ18)          Discovered 2009-May-27 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

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