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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1267430600195216 4.8482e-08  
a 2.472344087581264 1.2242e-08 au
q 2.158991632500042 1.2078e-07 au
i 5.920470331104351 4.531e-06 deg
node 179.3191408449656 5.635e-05 deg
peri 122.4688863547346 5.947e-05 deg
M 168.612600002885 2.1059e-05 deg
tp 2458335.457620397800
(2018-Aug-04.95762040)		 8.1581e-05 TDB
period 1419.913201342578
3.89		 1.0547e-05
2.888e-08		 d
yr
n .2535366243933836 1.8832e-09 deg/d
Q 2.785696542662485 1.3794e-08 au
   Orbit Determination Parameters
   # obs. used (total)      395  
   data-arc span      8859 days (24.25 yr)  
   first obs. used      1995-09-18  
   last obs. used      2019-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58264  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:00:34  

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

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