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JPL Small-Body Database Browser
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47166 (1999 TT18)
Classification: Main-belt Asteroid          SPK-ID: 2047166
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1707707589573342 3.3702e-08  
a 2.265224784785084 8.1758e-09 au
q 1.878390629078371 7.4645e-08 au
i 8.723990831695874 5.7777e-06 deg
node 29.2555352400063 2.4827e-05 deg
peri 231.8880381034118 3.0303e-05 deg
M 134.0647066626969 1.7147e-05 deg
tp 2458536.757023105383
(2019-Feb-22.25702311)
5.8944e-05 TDB
period 1245.275328890976
3.41
6.7418e-06
1.846e-08
d
yr
n .2890926943205491 1.5651e-09 deg/d
Q 2.652058940491797 9.5719e-09 au
  Orbit Determination Parameters
   # obs. used (total)      794  
   data-arc span      7919 days (21.68 yr)  
   first obs. used      1998-03-22  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59329  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 03:23:38  

Additional Information
 Earth MOID = .878054 au 
 Jupiter MOID = 2.43284 au 
 T_jup = 3.582 
[ 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 15.9   n/a MPO436111  

47166 (1999 TT18)          Discovered 1999-Oct-15 by Comba, P. G. at Prescott
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TT18 = 1998 HM53 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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