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JPL Small-Body Database Browser
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212787 (2007 TF221)
Classification: Main-belt Asteroid          SPK-ID: 2212787
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2023194242414155 4.998e-08  
a 2.345935237605957 1.548e-08 au
q 1.871306971025871 1.2034e-07 au
i 6.170178059457823 8.5346e-06 deg
node 14.9520444826778 4.6426e-05 deg
peri 64.01807452176749 5.5166e-05 deg
M 15.83627589893698 2.3299e-05 deg
tp 2458542.767147809693
(2019-Feb-28.26714781)
8.4936e-05 TDB
period 1312.418836420108
3.59
1.299e-05
3.556e-08
d
yr
n .2743026768664597 2.7151e-09 deg/d
Q 2.820563504186042 1.8612e-08 au
  Orbit Determination Parameters
   # obs. used (total)      161  
   data-arc span      6692 days (18.32 yr)  
   first obs. used      2000-09-29  
   last obs. used      2019-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51413  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:58:28  

Additional Information
 Earth MOID = .896054 au 
 Jupiter MOID = 2.46335 au 
 T_jup = 3.526 
[ 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 17.7   n/a MPO459951  

212787 (2007 TF221)          Discovered 2007-Oct-09 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

Alternate Designations
 2007 TF221 = 2000 SP326 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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