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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2140269409771855 6.4702e-08  
a 2.369161958629885 1.3743e-08 au
q 1.862097471944813 1.516e-07 au
i 2.778626077027472 6.5647e-06 deg
node 30.34227847642351 0.00011081 deg
peri 355.109425022959 0.00011395 deg
M 318.6085569275919 1.8867e-05 deg
tp 2458753.643518170432
(2019-Sep-27.14351817)
6.9733e-05 TDB
period 1331.958067876756
3.65
1.159e-05
3.173e-08
d
yr
n .2702787788010984 2.3518e-09 deg/d
Q 2.876226445314956 1.6685e-08 au
  Orbit Determination Parameters
   # obs. used (total)      127  
   data-arc span      5027 days (13.76 yr)  
   first obs. used      2006-01-25  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57732  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 15:57:33  

Additional Information
 Earth MOID = .865469 au 
 Jupiter MOID = 2.57455 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 18.3   n/a MPO349181  

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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