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441541 (2008 TJ9)
Classification: Main-belt Asteroid          SPK-ID: 2441541
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2142221722052549 6.3631e-08  
a 2.369580401776677 1.347e-08 au
q 1.861963740893077 1.4873e-07 au
i 2.778392260136714 6.3628e-06 deg
node 30.33793135134434 0.00010063 deg
peri 355.1229396413579 0.00010397 deg
M 66.69437496648574 1.8674e-05 deg
tp 2458753.673203394921
(2019-Sep-27.17320339)
6.9233e-05 TDB
period 1332.310960594199
3.65
1.136e-05
3.11e-08
d
yr
n .2702071893482307 2.304e-09 deg/d
Q 2.877197062660278 1.6355e-08 au
  Orbit Determination Parameters
   # obs. used (total)      148  
   data-arc span      5055 days (13.84 yr)  
   first obs. used      2006-01-25  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54228  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 22:51:59  

Additional Information
 Earth MOID = .86606 au 
 Jupiter MOID = 2.57621 au 
 T_jup = 3.513 
[ 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 18.2   n/a MPO503570  

441541 (2008 TJ9)          Discovered 2008-Oct-01 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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