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243748 (2000 QJ99)
Classification: Main-belt Asteroid          SPK-ID: 2243748
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2437100275230989 6.7802e-08  
a 3.060416371602017 2.1315e-08 au
q 2.314562213446747 2.1069e-07 au
i 19.78373443456984 7.0727e-06 deg
node 162.0804420020182 1.6608e-05 deg
peri 200.1556031087876 2.0556e-05 deg
M 241.2685962478198 1.1254e-05 deg
tp 2459645.459290982789
(2022-Mar-06.95929098)
6.4772e-05 TDB
period 1955.551247742579
5.35
2.0429e-05
5.593e-08
d
yr
n .1840913146181014 1.9232e-09 deg/d
Q 3.806270529757287 2.6509e-08 au
  Orbit Determination Parameters
   # obs. used (total)      325  
   data-arc span      7183 days (19.67 yr)  
   first obs. used      2000-08-28  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5731  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 12:50:21  

Additional Information
 Earth MOID = 1.31871 au 
 Jupiter MOID = 1.66479 au 
 T_jup = 3.100 
[ 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 15.3   n/a MPO433597  
diameter diameter 5.723 km 0.188 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243748 (2000 QJ99)          Discovered 2000-Aug-28 by LINEAR at Socorro
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

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