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243654 (1999 TO289)
Classification: Main-belt Asteroid          SPK-ID: 2243654
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1503341332166266 5.79e-08  
a 2.651747865294317 1.6312e-08 au
q 2.253099648456256 1.5738e-07 au
i 12.40182415462379 5.9947e-06 deg
node 209.4771276240577 1.9155e-05 deg
peri 171.9066040320799 2.3924e-05 deg
M 289.9828863114242 1.5511e-05 deg
tp 2459307.259818307945
(2021-Apr-02.75981831)
6.9387e-05 TDB
period 1577.236317995765
4.32
1.4553e-05
3.984e-08
d
yr
n .2282473437192096 2.1061e-09 deg/d
Q 3.050396082132378 1.8764e-08 au
  Orbit Determination Parameters
   # obs. used (total)      412  
   data-arc span      21793 days (59.67 yr)  
   first obs. used      1960-10-17  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57685  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 04:35:20  

Additional Information
 Earth MOID = 1.25723 au 
 Jupiter MOID = 2.40614 au 
 T_jup = 3.341 
[ 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 15.9   n/a MPO437137  

243654 (1999 TO289)          Discovered 1999-Oct-10 by LINEAR at Socorro
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

Alternate Designations
 1999 TO289 = 2003 RM15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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