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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0854934928477992 5.735e-08  
a 2.780997085219279 2.6774e-08 au
q 2.543239930804334 1.6397e-07 au
i 4.331131592265925 6.1411e-06 deg
node 169.1382795376526 7.7901e-05 deg
peri 187.6583811522006 8.4886e-05 deg
M 209.4654397109407 3.4482e-05 deg
tp 2459308.825611067176
(2021-Apr-04.32561107)
0.00016539 TDB
period 1693.944696118504
4.64
2.4462e-05
6.697e-08
d
yr
n .2125216961479924 3.069e-09 deg/d
Q 3.018754239634224 2.9063e-08 au
  Orbit Determination Parameters
   # obs. used (total)      175  
   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      .62816  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:50:08  

Additional Information
 Earth MOID = 1.53788 au 
 Jupiter MOID = 2.37487 au 
 T_jup = 3.324 
[ 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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