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70539 (1999 TR122)
Classification: Main-belt Asteroid          SPK-ID: 2070539
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1305989345106715 3.4011e-08  
a 2.588823244899745 9.2394e-09 au
q 2.250725687479379 8.9576e-08 au
i 3.007591671938936 3.2677e-06 deg
node 129.576116104499 7.3947e-05 deg
peri 300.3159627885016 7.51e-05 deg
M 301.4036699558655 1.2746e-05 deg
tp 2459248.139513295762
(2021-Feb-02.63951330)
5.3805e-05 TDB
period 1521.430176929628
4.17
8.1449e-06
2.23e-08
d
yr
n .2366194686150565 1.2667e-09 deg/d
Q 2.92692080232011 1.0446e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1179  
   data-arc span      10575 days (28.95 yr)  
   first obs. used      1991-12-04  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4937  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:54:44  

Additional Information
 Earth MOID = 1.26692 au 
 Jupiter MOID = 2.33409 au 
 T_jup = 3.407 
[ 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 15.2   n/a MPO439539  

70539 (1999 TR122)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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