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243949 (2001 QG126)
Classification: Main-belt Asteroid          SPK-ID: 2243949
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2168793954895302 5.2195e-08  
a 2.65218690548272 2.0255e-08 au
q 2.07698221269638 1.4018e-07 au
i 10.31277630021288 6.0605e-06 deg
node 266.6128321604032 3.2643e-05 deg
peri 95.0199755192498 3.5964e-05 deg
M 94.74349232958899 1.6703e-05 deg
tp 2458585.305583017211
(2019-Apr-11.80558302)
7.0778e-05 TDB
period 1577.628040075144
4.32
1.8072e-05
4.948e-08
d
yr
n .2281906703324396 2.614e-09 deg/d
Q 3.22739159826906 2.4647e-08 au
  Orbit Determination Parameters
   # obs. used (total)      577  
   data-arc span      6735 days (18.44 yr)  
   first obs. used      2001-08-19  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5443  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:26:27  

Additional Information
 Earth MOID = 1.10502 au 
 Jupiter MOID = 2.38181 au 
 T_jup = 3.333 
[ 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 15.2   n/a MPO454791  
diameter diameter 5.221 km 0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.066   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243949 (2001 QG126)          Discovered 2001-Aug-20 by LINEAR at Socorro
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ show close-approach data ]
Alternate Designations
 2001 QG126 = 2003 AO37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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