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332617 (2008 TZ91)
Classification: Main-belt Asteroid          SPK-ID: 2332617
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2876848556932335 6.213e-08  
a 2.653298655810851 3.7501e-08 au
q 1.889984814902856 1.6848e-07 au
i 12.99498612291847 7.8536e-06 deg
node 98.51068975145519 2.8743e-05 deg
peri 236.3418291233779 3.1966e-05 deg
M 274.9223275905869 2.2604e-05 deg
tp 2459373.570347256835
(2021-Jun-08.07034726)
0.00010541 TDB
period 1578.620115112609
4.32
3.3468e-05
9.163e-08
d
yr
n .2280472651739395 4.8348e-09 deg/d
Q 3.416612496718847 4.829e-08 au
  Orbit Determination Parameters
   # obs. used (total)      197  
   data-arc span      6173 days (16.90 yr)  
   first obs. used      2003-05-30  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59445  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 21:30:33  

Additional Information
 Earth MOID = .912844 au 
 Jupiter MOID = 2.05775 au 
 T_jup = 3.294 
[ 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 16.1   n/a MPO434082  

332617 (2008 TZ91)          Discovered 2008-Oct-04 by CSS at Catalina
Reference: 20120703/Numbers.arcLast Updated: 2012-07-09

[ show close-approach data ]
Alternate Designations
 2008 TZ91 = 2003 KA20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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