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295684 (2008 TW111)
Classification: Main-belt Asteroid          SPK-ID: 2295684
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1054667287233554 4.1369e-08  
a 2.299008277459506 1.262e-08 au
q 2.056539395127936 9.8008e-08 au
i 5.501800239989035 5.0534e-06 deg
node 246.7740019875299 4.6906e-05 deg
peri 18.260032065746 5.4983e-05 deg
M 342.0972874227374 2.6571e-05 deg
tp 2459459.817763699018
(2021-Sep-02.31776370)
9.3929e-05 TDB
period 1273.236937322933
3.49
1.0484e-05
2.87e-08
d
yr
n .2827439178421296 2.3281e-09 deg/d
Q 2.541477159791077 1.3951e-08 au
  Orbit Determination Parameters
   # obs. used (total)      269  
   data-arc span      7713 days (21.12 yr)  
   first obs. used      2000-04-29  
   last obs. used      2021-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57114  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 05:37:45  

Additional Information
 Earth MOID = 1.04167 au 
 Jupiter MOID = 2.51187 au 
 T_jup = 3.579 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.10   n/a MPCxxxxx  

295684 (2008 TW111)          Discovered 2008-Oct-06 by CSS at Catalina
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

Alternate Designations
 2008 TW111 = 2004 NP29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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