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212771 (2007 TZ87)
Classification: Main-belt Asteroid          SPK-ID: 2212771
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08478156617242594 5.7331e-08  
a 2.784155012712536 2.6945e-08 au
q 2.548109990267956 1.6415e-07 au
i 4.33057681756877 6.1324e-06 deg
node 169.0605055733057 7.7489e-05 deg
peri 186.99049536816 8.4537e-05 deg
M 295.1148420342164 3.4984e-05 deg
tp 2459306.330933233036
(2021-Apr-01.83093323)
0.00016639 TDB
period 1696.830822573513
4.65
2.4633e-05
6.744e-08
d
yr
n .2121602196346263 3.0799e-09 deg/d
Q 3.020200035157115 2.9229e-08 au
  Orbit Determination Parameters
   # obs. used (total)      179  
   data-arc span      6997 days (19.16 yr)  
   first obs. used      2000-02-27  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62267  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 02:50:16  

Additional Information
 Earth MOID = 1.54343 au 
 Jupiter MOID = 2.36926 au 
 T_jup = 3.322 
[ 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 16.6   n/a MPO433391  

212771 (2007 TZ87)          Discovered 2007-Oct-08 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

Alternate Designations
 2007 TZ87 = 2000 DK91 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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