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JPL Small-Body Database Browser
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392813 (2012 TF257)
Classification: Main-belt Asteroid          SPK-ID: 2392813
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03776063066608001 1.0742e-07  
a 2.658913170401921 4.9374e-08 au
q 2.558510932201198 3.1382e-07 au
i 8.486923957576822 6.4933e-06 deg
node 285.8667364789175 5.961e-05 deg
peri 75.08965810107486 0.00010558 deg
M 209.7306027848071 8.7654e-05 deg
tp 2459261.532333963695
(2021-Feb-16.03233396)
0.00039165 TDB
period 1583.63342528182
4.34
4.4111e-05
1.208e-07
d
yr
n .2273253356823629 6.3319e-09 deg/d
Q 2.759315408602644 5.1239e-08 au
  Orbit Determination Parameters
   # obs. used (total)      114  
   data-arc span      5703 days (15.61 yr)  
   first obs. used      2003-09-20  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45718  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 09:55:43  

Additional Information
 Earth MOID = 1.56721 au 
 Jupiter MOID = 2.46213 au 
 T_jup = 3.370 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO434457  

392813 (2012 TF257)          Discovered 2008-Dec-01 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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