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JPL Small-Body Database Browser
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347430 (2012 TN21)
Classification: Main-belt Asteroid          SPK-ID: 2347430
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07891910738520952 5.7943e-08  
a 2.584043010873363 4.0546e-08 au
q 2.380112643010248 1.609e-07 au
i 3.027836326165079 7.9561e-06 deg
node 351.0514986802351 0.00014527 deg
peri 327.0734476048573 0.00015669 deg
M 357.7452110048301 5.9657e-05 deg
tp 2459010.002796735247
(2020-Jun-09.50279674)
0.00025147 TDB
period 1517.21816631945
4.15
3.571e-05
9.777e-08
d
yr
n .2372763574755418 5.5846e-09 deg/d
Q 2.787973378736478 4.3746e-08 au
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      6296 days (17.24 yr)  
   first obs. used      2002-03-05  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59187  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:33:34  

Additional Information
 Earth MOID = 1.36759 au 
 Jupiter MOID = 2.42456 au 
 T_jup = 3.417 
[ 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 17.2   n/a MPO434189  

347430 (2012 TN21)          Discovered 2008-Sep-23 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Alternate Designations
 2012 TN21 = 2010 DB35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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