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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1392646295012335 5.2825e-08  
a 2.357206329664712 1.1417e-08 au
q 2.028930863505994 1.2539e-07 au
i 1.796336117724159 4.9561e-06 deg
node 247.799589900543 0.00018953 deg
peri 91.98618513438018 0.00019039 deg
M 285.7393249434958 1.8132e-05 deg
tp 2459273.178701252010
(2021-Feb-27.67870125)
6.7229e-05 TDB
period 1321.888501229367
3.62
9.6036e-06
2.629e-08
d
yr
n .2723376439580169 1.9785e-09 deg/d
Q 2.68548179582343 1.3007e-08 au
  Orbit Determination Parameters
   # obs. used (total)      293  
   data-arc span      9922 days (27.16 yr)  
   first obs. used      1992-11-25  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59644  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 17:01:25  

Additional Information
 Earth MOID = 1.02112 au 
 Jupiter MOID = 2.68032 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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