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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2833609903416486 8.8863e-08  
a 3.034707623811765 3.0022e-08 au
q 2.174789866131112 2.7878e-07 au
i 7.313902017219789 6.2255e-06 deg
node 269.0236930528896 6.8023e-05 deg
peri 151.162459211907 7.3057e-05 deg
M 87.84764550696239 2.1964e-05 deg
tp 2458529.304281392306
(2019-Feb-14.80428139)
0.00011362 TDB
period 1930.961925272384
5.29
2.8654e-05
7.845e-08
d
yr
n .1864355766358355 2.7666e-09 deg/d
Q 3.894625381492418 3.8529e-08 au
  Orbit Determination Parameters
   # obs. used (total)      207  
   data-arc span      6429 days (17.60 yr)  
   first obs. used      2002-09-12  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52798  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 03:24:29  

Additional Information
 Earth MOID = 1.19107 au 
 Jupiter MOID = 1.4808 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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