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JPL Small-Body Database Browser
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347431 (2012 TZ21)
Classification: Main-belt Asteroid          SPK-ID: 2347431
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02041169623003528 1.2069e-07  
a 3.073916940391152 6.3559e-08 au
q 3.011173081567529 4.0377e-07 au
i 11.04597752234787 1.1303e-05 deg
node 21.30017039470812 3.5337e-05 deg
peri 344.67389296641 0.00016063 deg
M 165.7394142240299 0.00015346 deg
tp 2458094.225170590457
(2017-Dec-06.72517059)
0.0008437 TDB
period 1968.505440392298
5.39
6.1054e-05
1.672e-07
d
yr
n .1828798603311234 5.6721e-09 deg/d
Q 3.136660799214776 6.4856e-08 au
  Orbit Determination Parameters
   # obs. used (total)      120  
   data-arc span      5439 days (14.89 yr)  
   first obs. used      2004-02-13  
   last obs. used      2019-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51265  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:47:05  

Additional Information
 Earth MOID = 2.01195 au 
 Jupiter MOID = 1.94299 au 
 T_jup = 3.201 
[ 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 16.0   n/a MPO427782  

347431 (2012 TZ21)          Discovered 2004-Feb-13 by Spacewatch at Kitt Peak
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Alternate Designations
 2012 TZ21 = 2010 GR126 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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