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362308 (2009 TQ31)
Classification: Main-belt Asteroid          SPK-ID: 2362308
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2470176378570946 7.7715e-08  
a 3.183076798392865 3.9595e-08 au
q 2.396800686536136 2.6141e-07 au
i 26.75589248118001 1.2399e-05 deg
node 35.63311589599596 1.3867e-05 deg
peri 296.2849638691381 2.9112e-05 deg
M 24.61222678972072 2.044e-05 deg
tp 2459058.686521488528
(2020-Jul-28.18652149)
0.00011844 TDB
period 2074.288226754522
5.68
3.8704e-05
1.06e-07
d
yr
n .1735535087923939 3.2383e-09 deg/d
Q 3.969352910249595 4.9376e-08 au
  Orbit Determination Parameters
   # obs. used (total)      228  
   data-arc span      9034 days (24.73 yr)  
   first obs. used      1996-04-14  
   last obs. used      2021-01-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53802  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 17:37:51  

Additional Information
 Earth MOID = 1.50267 au 
 Jupiter MOID = 1.91514 au 
 T_jup = 2.988 
[ 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 15.30   n/a E2021B25  
diameter diameter 5.447 km 0.181 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

362308 (2009 TQ31)          Discovered 2009-Oct-15 by La Sagra at La Sagra
Reference: Last Updated: 2013-04-29

[ show close-approach data ]
Alternate Designations
 2009 TQ31 = 1996 GP16 = 2019 GE42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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