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JPL Small-Body Database Browser
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172273 (2002 TP89)
Classification: Main-belt Asteroid          SPK-ID: 2172273
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08975381341990964 7.5038e-08  
a 2.668130831956427 2.0753e-08 au
q 2.428655915085101 2.0827e-07 au
i 5.692686471000725 7.8999e-06 deg
node 341.5070361386587 4.7066e-05 deg
peri 353.574296864096 6.2879e-05 deg
M 57.72492414076329 3.6065e-05 deg
tp 2458745.247514845658
(2019-Sep-18.74751485)
0.00016058 TDB
period 1591.875537705087
4.36
1.8573e-05
5.085e-08
d
yr
n .2261483335053886 2.6386e-09 deg/d
Q 2.907605748827752 2.2616e-08 au
  Orbit Determination Parameters
   # obs. used (total)      351  
   data-arc span      9488 days (25.98 yr)  
   first obs. used      1993-09-14  
   last obs. used      2019-09-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53511  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:45:34  

Additional Information
 Earth MOID = 1.41892 au 
 Jupiter MOID = 2.41288 au 
 T_jup = 3.370 
[ 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 16.2   n/a MPO449895  

172273 (2002 TP89)          Discovered 2002-Oct-03 by NEAT at Palomar
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

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