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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0971583165889712 8.0723e-08  
a 2.639170068792983 3.8309e-08 au
q 2.382752747717057 2.1836e-07 au
i 12.85540570026446 9.2725e-06 deg
node 222.1579497042803 3.8277e-05 deg
peri 101.8978977218161 5.8257e-05 deg
M 228.9290820275841 4.6488e-05 deg
tp 2459570.668647946652
(2021-Dec-22.16864795)
0.00020721 TDB
period 1566.02789112984
4.29
3.4097e-05
9.335e-08
d
yr
n .2298809631929808 5.0052e-09 deg/d
Q 2.895587389868908 4.2031e-08 au
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      5286 days (14.47 yr)  
   first obs. used      2005-11-06  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61217  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 00:28:17  

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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