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JPL Small-Body Database Browser
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392780 (2012 TW111)
Classification: Main-belt Asteroid          SPK-ID: 2392780
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 .1995260189089334 3.9989e-07  
a 2.58512309602146 8.8788e-08 au
q 2.069323776282761 1.0934e-06 au
i 12.94457761777162 2.3489e-05 deg
node 220.9276782632827 6.3557e-05 deg
peri 312.2095466202139 6.8203e-05 deg
M 160.6500416778709 5.153e-05 deg
tp 2458323.016675036483
(2018-Jul-23.51667504)
0.00018898 TDB
period 1518.16952202174
4.16
7.8214e-05
2.141e-07
d
yr
n .2371276690633266 1.2217e-08 deg/d
Q 3.100922415760158 1.065e-07 au
  Orbit Determination Parameters
   # obs. used (total)      45  
   data-arc span      5290 days (14.48 yr)  
   first obs. used      2002-04-13  
   last obs. used      2016-10-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58537  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 21:19:04  

Additional Information
 Earth MOID = 1.09521 au 
 Jupiter MOID = 1.96205 au 
 T_jup = 3.359 
[ 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 MPO392019  

392780 (2012 TW111)          Discovered 2002-Apr-13 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2012 TW111 = 2002 GD143 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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