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70457 (1999 TU23)
Classification: Main-belt Asteroid          SPK-ID: 2070457
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1267431137280381 4.997e-08  
a 2.472344086447838 1.2701e-08 au
q 2.158991498724337 1.2517e-07 au
i 5.920474369238872 4.879e-06 deg
node 179.3191514670419 5.6507e-05 deg
peri 122.4688574091172 5.9772e-05 deg
M 168.6126161545367 2.1154e-05 deg
tp 2458335.457557149726
(2018-Aug-04.95755715)
8.2105e-05 TDB
period 1419.913200366157
3.89
1.0941e-05
2.995e-08
d
yr
n .2535366245677312 1.9537e-09 deg/d
Q 2.785696674171339 1.431e-08 au
  Orbit Determination Parameters
   # obs. used (total)      379  
   data-arc span      8845 days (24.22 yr)  
   first obs. used      1995-09-18  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59096  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:14:19  

Additional Information
 Earth MOID = 1.15082 au 
 Jupiter MOID = 2.43337 au 
 T_jup = 3.465 
[ 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 16.1   n/a MPO449444  

70457 (1999 TU23)          Discovered 1999-Oct-04 by Spacewatch at Kitt Peak
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TU23 = 1998 HT66 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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