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173293 (1999 TZ220)
Classification: Main-belt Asteroid          SPK-ID: 2173293
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .236214813633767 4.7759e-08  
a 2.233467919757721 1.0779e-08 au
q 1.705889711335153 1.0601e-07 au
i 5.910375713567945 5.4551e-06 deg
node 302.0238301179796 5.6719e-05 deg
peri 349.2964628252704 5.8665e-05 deg
M 118.0009593498009 1.5675e-05 deg
tp 2458600.876478424776
(2019-Apr-27.37647842)
5.3171e-05 TDB
period 1219.180492767099
3.34
8.8262e-06
2.416e-08
d
yr
n .2952803150441901 2.1377e-09 deg/d
Q 2.761046128180288 1.3326e-08 au
  Orbit Determination Parameters
   # obs. used (total)      535  
   data-arc span      8353 days (22.87 yr)  
   first obs. used      1996-12-07  
   last obs. used      2019-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49359  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 19:46:04  

Additional Information
 Earth MOID = .690131 au 
 Jupiter MOID = 2.43743 au 
 T_jup = 3.596 
[ 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 16.5   n/a MPO493969  

173293 (1999 TZ220)          Discovered 1999-Oct-02 by LONEOS at Anderson Mesa
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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