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JPL Small-Body Database Browser
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300520 (2007 TW212)
Classification: Main-belt Asteroid          SPK-ID: 2300520
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07712172914161781 6.2678e-08  
a 2.745011880995403 3.7945e-08 au
q 2.533311818218752 1.5601e-07 au
i 3.786136379498276 6.8777e-06 deg
node 296.8320319155263 9.6155e-05 deg
peri 140.0869252026803 0.00011141 deg
M 159.1656458898862 6.2007e-05 deg
tp 2457866.051066006908
(2017-Apr-22.55106601)
0.00027755 TDB
period 1661.172640360038
4.55
3.4444e-05
9.43e-08
d
yr
n .2167143807051714 4.4935e-09 deg/d
Q 2.956711943772053 4.0871e-08 au
  Orbit Determination Parameters
   # obs. used (total)      130  
   data-arc span      5663 days (15.50 yr)  
   first obs. used      2003-12-29  
   last obs. used      2019-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55686  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:49:20  

Additional Information
 Earth MOID = 1.55001 au 
 Jupiter MOID = 2.22188 au 
 T_jup = 3.341 
[ 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 16.7   n/a MPO433937  

300520 (2007 TW212)          Discovered 2007-Oct-07 by Spacewatch at Kitt Peak
Reference: 20111012/Numbers.arcLast Updated: 2011-10-13

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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