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JPL Small-Body Database Browser
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173209 (1998 SP29)
Classification: Main-belt Asteroid          SPK-ID: 2173209
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1865194028034552 4.3913e-08  
a 2.557920818761626 1.4287e-08 au
q 2.080818955227683 1.156e-07 au
i 2.34926379135739 5.1177e-06 deg
node 89.74608494651996 0.00013322 deg
peri 287.8661278389627 0.0001346 deg
M 5.983669067339989 2.1675e-05 deg
tp 2458575.663285934921
(2019-Apr-02.16328593)
8.9832e-05 TDB
period 1494.269980977273
4.09
1.2519e-05
3.428e-08
d
yr
n .2409203186726371 2.0185e-09 deg/d
Q 3.03502268229557 1.6952e-08 au
  Orbit Determination Parameters
   # obs. used (total)      402  
   data-arc span      10101 days (27.66 yr)  
   first obs. used      1990-11-19  
   last obs. used      2018-07-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58684  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:41:01  

Additional Information
 Earth MOID = 1.08333 au 
 Jupiter MOID = 2.42405 au 
 T_jup = 3.411 
[ 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 MPO417933  

173209 (1998 SP29)          Discovered 1998-Sep-18 by Spacewatch at Kitt Peak
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 1998 SP29 = 2002 RD49 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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