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JPL Small-Body Database Browser
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172320 (2002 TZ377)
Classification: Main-belt Asteroid          SPK-ID: 2172320
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1098005209452759 6.1284e-08  
a 3.068257462557479 2.8209e-08 au
q 2.731361194774438 1.8547e-07 au
i 2.191579355648572 5.595e-06 deg
node 10.0776063193211 0.00012404 deg
peri 13.45696388609462 0.00012654 deg
M 106.6981179249966 2.2301e-05 deg
tp 2458418.677671972790
(2018-Oct-27.17767197)
0.00012243 TDB
period 1963.071534561021
5.37
2.7072e-05
7.412e-08
d
yr
n .183386083319935 2.529e-09 deg/d
Q 3.405153730340521 3.1306e-08 au
  Orbit Determination Parameters
   # obs. used (total)      377  
   data-arc span      6319 days (17.30 yr)  
   first obs. used      2002-10-15  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57315  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:46:38  

Additional Information
 Earth MOID = 1.73478 au 
 Jupiter MOID = 2.04999 au 
 T_jup = 3.221 
[ 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 15.7   n/a MPO454181  

172320 (2002 TZ377)          Discovered 2002-Oct-15 by NEAT at Palomar
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

Alternate Designations
 2002 TZ377 = 2005 EX292 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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