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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 | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1055175671124642 4.3682e-08  
a 2.299587216061152 1.8828e-08 au
q 2.056940367659455 1.0003e-07 au
i 5.501641359201062 5.2296e-06 deg
node 246.7833108130726 5.7722e-05 deg
peri 18.09648860313157 6.4916e-05 deg
M 230.3075179469167 2.991e-05 deg
tp 2459459.365658601095
(2021-Sep-01.86565860)
0.00010745 TDB
period 1273.717909329402
3.49
1.5643e-05
4.283e-08
d
yr
n .2826371501595168 3.4712e-09 deg/d
Q 2.54223406446285 2.0815e-08 au
  Orbit Determination Parameters
   # obs. used (total)      211  
   data-arc span      6732 days (18.43 yr)  
   first obs. used      2000-04-29  
   last obs. used      2018-10-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5837  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:20:24  

Additional Information
 Earth MOID = 1.04207 au 
 Jupiter MOID = 2.51304 au 
 T_jup = 3.579 
[ 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 16.9   n/a MPO455186  

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

[ show close-approach data ]
Alternate Designations
 2008 TW111 = 2004 NP29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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