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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1528640112030208 6.0248e-08  
a 2.347883077306355 2.3146e-08 au
q 1.988976252273613 1.3897e-07 au
i 4.973956153071035 5.5817e-06 deg
node 261.9021915879896 9.4971e-05 deg
peri 47.6784800124841 0.00010974 deg
M 96.98772498129543 4.1459e-05 deg
tp 2458646.480326830889
(2019-Jun-11.98032683)
0.00015406 TDB
period 1314.053735825424
3.60
1.9431e-05
5.32e-08
d
yr
n .2739613991309615 4.0511e-09 deg/d
Q 2.706789902339096 2.6684e-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 = .97831 au 
 Jupiter MOID = 2.53391 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 18.2   n/a MPO495193  

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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