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357009 (1999 TG122)
Classification: Main-belt Asteroid          SPK-ID: 2357009
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3289528955655106 7.0398e-08  
a 2.573221213540111 2.2284e-08 au
q 1.726752644415494 1.7511e-07 au
i 6.101396358206145 1.0254e-05 deg
node 182.5128866110094 0.00010319 deg
peri 205.0285318074214 0.00010772 deg
M 356.3189593856042 3.5781e-05 deg
tp 2459015.916373367155
(2020-Jun-15.41637337)
0.00015002 TDB
period 1507.697141528764
4.13
1.9585e-05
5.362e-08
d
yr
n .2387747446645484 3.1017e-09 deg/d
Q 3.419689782664727 2.9615e-08 au
  Orbit Determination Parameters
   # obs. used (total)      140  
   data-arc span      7743 days (21.20 yr)  
   first obs. used      1999-09-05  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56593  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:00:45  

Additional Information
 Earth MOID = .733357 au 
 Jupiter MOID = 2.03566 au 
 T_jup = 3.343 
[ 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 17.1   n/a MPO476669  

357009 (1999 TG122)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 1999 TG122 = 1999 TH143 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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