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JPL Small-Body Database Browser
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434170 (2002 TN99)
Classification: Main-belt Asteroid          SPK-ID: 2434170
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2833539203243076 1.0455e-07  
a 3.035700400665523 3.5016e-08 au
q 2.175522791206876 3.3199e-07 au
i 7.313907056127738 9.058e-06 deg
node 269.0242935701304 7.7716e-05 deg
peri 151.2345083207837 8.2866e-05 deg
M 13.23316192618592 2.1338e-05 deg
tp 2458529.485355917289
(2019-Feb-14.98535592)
0.0001139 TDB
period 1931.909547572833
5.29
3.3426e-05
9.152e-08
d
yr
n .1863441279910275 3.2242e-09 deg/d
Q 3.895878010124171 4.4938e-08 au
  Orbit Determination Parameters
   # obs. used (total)      176  
   data-arc span      5975 days (16.36 yr)  
   first obs. used      2002-09-12  
   last obs. used      2019-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52142  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 01:54:46  

Additional Information
 Earth MOID = 1.19148 au 
 Jupiter MOID = 1.47838 au 
 T_jup = 3.167 
[ 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 16.4   n/a MPO460653  

434170 (2002 TN99)          Discovered 2002-Oct-04 by NEAT at Palomar
Reference: Last Updated: 2015-06-04

[ show close-approach data ]
Alternate Designations
 2002 TN99 = 2008 WJ90 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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