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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2877989708244708 5.8802e-08  
a 2.654033724036049 3.4514e-08 au
q 1.890205549725036 1.6292e-07 au
i 12.99453035045462 6.7932e-06 deg
node 98.51156070435319 2.8289e-05 deg
peri 236.2966919504287 3.1511e-05 deg
M 320.5755146019447 2.3111e-05 deg
tp 2459373.450417560774
(2021-Jun-07.95041756)
0.00010413 TDB
period 1579.276170462069
4.32
3.0806e-05
8.434e-08
d
yr
n .2279525308703102 4.4465e-09 deg/d
Q 3.417861898347061 4.4447e-08 au
  Orbit Determination Parameters
   # obs. used (total)      210  
   data-arc span      6202 days (16.98 yr)  
   first obs. used      2003-05-30  
   last obs. used      2020-05-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58284  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 07:47:53  

Additional Information
 Earth MOID = .911175 au 
 Jupiter MOID = 2.0565 au 
 T_jup = 3.293 
[ 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 16.35   n/a E2021B25  

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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