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JPL Small-Body Database Browser
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173278 (1999 TB54)
Classification: Main-belt Asteroid          SPK-ID: 2173278
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1391618892791811 5.3431e-08  
a 2.356725689507609 1.1697e-08 au
q 2.028759290042949 1.2659e-07 au
i 1.796524132843386 4.9832e-06 deg
node 247.7991301790999 0.00019168 deg
peri 92.1203328570396 0.00019254 deg
M 176.6191955328449 1.8052e-05 deg
tp 2457952.168112827844
(2017-Jul-17.66811283)
6.5106e-05 TDB
period 1321.484217374165
3.62
9.8383e-06
2.694e-08
d
yr
n .272420960664466 2.0281e-09 deg/d
Q 2.684692088972268 1.3325e-08 au
  Orbit Determination Parameters
   # obs. used (total)      286  
   data-arc span      9589 days (26.25 yr)  
   first obs. used      1992-11-25  
   last obs. used      2019-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60452  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:33:32  

Additional Information
 Earth MOID = 1.02006 au 
 Jupiter MOID = 2.67896 au 
 T_jup = 3.540 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.1   n/a MPO433113  

173278 (1999 TB54)          Discovered 1999-Oct-06 by Spacewatch at Kitt Peak
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

Alternate Designations
 1999 TB54 = 2005 EP257 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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