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344705 (2003 TU20)
Classification: Main-belt Asteroid          SPK-ID: 2344705
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2032240324767037 1.2001e-07  
a 2.620326668083715 2.574e-08 au
q 2.087813316189497 3.049e-07 au
i 13.84575526228185 1.0412e-05 deg
node 34.12398004907805 2.7188e-05 deg
peri 34.62033350236064 3.4242e-05 deg
M 294.6156548276898 1.8272e-05 deg
tp 2459281.886242402983
(2021-Mar-08.38624240)
8.0259e-05 TDB
period 1549.285949077199
4.24
2.2828e-05
6.25e-08
d
yr
n .2323651100136981 3.4238e-09 deg/d
Q 3.152840019977932 3.0971e-08 au
  Orbit Determination Parameters
   # obs. used (total)      226  
   data-arc span      6765 days (18.52 yr)  
   first obs. used      1999-10-15  
   last obs. used      2018-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53195  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 06:48:13  

Additional Information
 Earth MOID = 1.11478 au 
 Jupiter MOID = 2.27163 au 
 T_jup = 3.335 
[ 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 16.2   n/a MPO446552  

344705 (2003 TU20)          Discovered 2003-Oct-15 by LONEOS at Anderson Mesa
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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