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117290 (2004 TW247)
Classification: Main-belt Asteroid          SPK-ID: 2117290
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .146454548752374 4.8604e-08  
a 2.623280421889326 2.0507e-08 au
q 2.239089071450588 1.2764e-07 au
i 13.91422126962854 4.9421e-06 deg
node 140.4402855360358 2.0822e-05 deg
peri 316.9914203595954 2.5306e-05 deg
M 198.3095024280553 1.4684e-05 deg
tp 2459697.523628640651
(2022-Apr-28.02362864)
6.5588e-05 TDB
period 1551.90632769859
4.25
1.8198e-05
4.982e-08
d
yr
n .2319727638032538 2.7201e-09 deg/d
Q 3.007471772328065 2.3511e-08 au
  Orbit Determination Parameters
   # obs. used (total)      511  
   data-arc span      6740 days (18.45 yr)  
   first obs. used      2000-11-26  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58126  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:54:38  

Additional Information
 Earth MOID = 1.2752 au 
 Jupiter MOID = 2.16037 au 
 T_jup = 3.347 
[ 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 15.5   n/a MPO436563  

117290 (2004 TW247)          Discovered 2004-Oct-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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