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243308 (2008 KJ30)
Classification: Main-belt Asteroid          SPK-ID: 2243308
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .223505049669415 7.6798e-08  
a 2.63179159903254 2.9557e-08 au
q 2.043572886971223 2.0966e-07 au
i 15.02284959469354 8.6762e-06 deg
node 173.4516912142873 2.2039e-05 deg
peri 179.343156856156 2.5179e-05 deg
M 209.2192916317153 1.4435e-05 deg
tp 2459653.659051676604
(2022-Mar-15.15905168)
6.9271e-05 TDB
period 1559.465140787443
4.27
2.6271e-05
7.193e-08
d
yr
n .2308483790911927 3.8889e-09 deg/d
Q 3.220010311093858 3.6163e-08 au
  Orbit Determination Parameters
   # obs. used (total)      204  
   data-arc span      7173 days (19.64 yr)  
   first obs. used      2000-08-31  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62848  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 12:47:30  

Additional Information
 Earth MOID = 1.03846 au 
 Jupiter MOID = 2.22709 au 
 T_jup = 3.316 
[ 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 16.5   n/a MPO422945  
diameter diameter 2.432 km 0.526 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.075   0.071 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243308 (2008 KJ30)          Discovered 2008-May-29 by Spacewatch at Kitt Peak
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

[ show close-approach data ]
Alternate Designations
 2008 KJ30 = 2000 QQ162 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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