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JPL Small-Body Database Browser
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442658 (2012 TW179)
Classification: Main-belt Asteroid          SPK-ID: 2442658
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1530050788875496 6.023e-08  
a 2.34793907052798 2.3245e-08 au
q 1.988692467818686 1.3889e-07 au
i 4.973959862455544 5.5818e-06 deg
node 261.9012972215874 9.4971e-05 deg
peri 47.6069224617945 0.00010972 deg
M 347.4546674384142 4.2264e-05 deg
tp 2458646.293974563410
(2019-Jun-11.79397456)
0.00015391 TDB
period 1314.100743196519
3.60
1.9515e-05
5.343e-08
d
yr
n .2739515991173618 4.0682e-09 deg/d
Q 2.707185673237273 2.6801e-08 au
  Orbit Determination Parameters
   # obs. used (total)      82  
   data-arc span      5106 days (13.98 yr)  
   first obs. used      2005-11-04  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69029  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 16:01:13  

Additional Information
 Earth MOID = .97721 au 
 Jupiter MOID = 2.53161 au 
 T_jup = 3.539 
[ 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 18.4   n/a MPO397583  

442658 (2012 TW179)          Discovered 2008-Jun-03 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

Alternate Designations
 2012 TW179 = 2008 LH9 = 2011 GD19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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