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JPL Small-Body Database Browser
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379254 (2009 TT39)
Classification: Main-belt Asteroid          SPK-ID: 2379254
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09715832898601567 8.0834e-08  
a 2.639170068283466 4.2756e-08 au
q 2.382752714539135 2.1988e-07 au
i 12.85540551579701 1.0286e-05 deg
node 222.1579487748293 3.8978e-05 deg
peri 101.8978771183543 6.4468e-05 deg
M 228.9290999948476 5.0239e-05 deg
tp 2459570.668569622549
(2021-Dec-22.16856962)
0.00022095 TDB
period 1566.027890676334
4.29
3.8056e-05
1.042e-07
d
yr
n .2298809632595519 5.5863e-09 deg/d
Q 2.895587422027796 4.691e-08 au
  Orbit Determination Parameters
   # obs. used (total)      117  
   data-arc span      4803 days (13.15 yr)  
   first obs. used      2005-11-06  
   last obs. used      2018-12-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62816  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:43:51  

Additional Information
 Earth MOID = 1.41224 au 
 Jupiter MOID = 2.39202 au 
 T_jup = 3.354 
[ 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 MPO471888  

379254 (2009 TT39)          Discovered 2009-Oct-14 by CSS at Catalina
Reference: Last Updated: 2013-11-20

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