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70468 (1999 TU31)
Classification: Main-belt Asteroid          SPK-ID: 2070468
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05885155237489814 4.4373e-08  
a 2.691870070686579 1.8971e-08 au
q 2.533449338235148 1.1628e-07 au
i 1.724645309849659 5.3198e-06 deg
node 233.1825522865677 0.0001471 deg
peri 209.1611829283676 0.00015401 deg
M 232.0520588148792 4.5275e-05 deg
tp 2459773.837527060899
(2022-Jul-13.33752706)
0.0002039 TDB
period 1613.167885548802
4.42
1.7053e-05
4.669e-08
d
yr
n .2231633813349362 2.3591e-09 deg/d
Q 2.850290803138011 2.0087e-08 au
  Orbit Determination Parameters
   # obs. used (total)      681  
   data-arc span      7184 days (19.67 yr)  
   first obs. used      1999-10-04  
   last obs. used      2019-06-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56425  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:49:54  

Additional Information
 Earth MOID = 1.54908 au 
 Jupiter MOID = 2.27703 au 
 T_jup = 3.368 
[ 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 15.5   n/a MPO436275  

70468 (1999 TU31)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TU31 = 2001 DJ60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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