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JPL Small-Body Database Browser
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172294 (2002 TQ179)
Classification: Main-belt Asteroid          SPK-ID: 2172294
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1937678902266124 7.3794e-08  
a 2.565665302866369 2.1602e-08 au
q 2.068521750102331 1.9167e-07 au
i 12.28805888955493 5.9463e-06 deg
node 296.6918849693733 2.3607e-05 deg
peri 21.40932287000956 2.6737e-05 deg
M 168.7742492576707 1.124e-05 deg
tp 2458296.776405359278
(2018-Jun-27.27640536)
4.834e-05 TDB
period 1501.061300435
4.11
1.8957e-05
5.19e-08
d
yr
n .2398303119903724 3.0289e-09 deg/d
Q 3.062808855630408 2.5788e-08 au
  Orbit Determination Parameters
   # obs. used (total)      645  
   data-arc span      6765 days (18.52 yr)  
   first obs. used      2001-06-27  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5203  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 21:45:53  

Additional Information
 Earth MOID = 1.05938 au 
 Jupiter MOID = 2.24084 au 
 T_jup = 3.374 
[ 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 15.7   n/a MPO454181  
diameter diameter 1.645 km 0.363 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.343   0.207 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

172294 (2002 TQ179)          Discovered 2002-Oct-13 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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