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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1054929262140258 4.1545e-08  
a 2.299288289159919 1.338e-08 au
q 2.056729639326798 9.8148e-08 au
i 5.501551458033092 5.0557e-06 deg
node 246.7766626338734 5.0435e-05 deg
peri 18.18271565309947 5.8002e-05 deg
M 286.7522741942424 2.7058e-05 deg
tp 2459459.607636242160
(2021-Sep-02.10763624)
9.5656e-05 TDB
period 1273.469558557209
3.49
1.1116e-05
3.043e-08
d
yr
n .2826922697766455 2.4675e-09 deg/d
Q 2.54184693899304 1.4791e-08 au
  Orbit Determination Parameters
   # obs. used (total)      250  
   data-arc span      7672 days (21.00 yr)  
   first obs. used      2000-04-29  
   last obs. used      2021-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55493  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 11:42:17  

Additional Information
 Earth MOID = 1.04013 au 
 Jupiter MOID = 2.51253 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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