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JPL Small-Body Database Browser
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172473 (2003 SB55)
Classification: Main-belt Asteroid          SPK-ID: 2172473
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .14267001758178 5.0311e-08  
a 2.288933529202659 9.9402e-09 au
q 1.96237134234779 1.1376e-07 au
i 5.482253489283123 4.5083e-06 deg
node 314.6779501022943 4.8596e-05 deg
peri 60.70466912540714 5.1364e-05 deg
M 284.1076502495499 1.7173e-05 deg
tp 2459267.151294866732
(2021-Feb-21.65129487)
6.1192e-05 TDB
period 1264.87671639728
3.46
8.2395e-06
2.256e-08
d
yr
n .2846127178507798 1.854e-09 deg/d
Q 2.615495716057528 1.1358e-08 au
  Orbit Determination Parameters
   # obs. used (total)      473  
   data-arc span      6702 days (18.35 yr)  
   first obs. used      2000-11-30  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53054  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:49:44  

Additional Information
 Earth MOID = .969685 au 
 Jupiter MOID = 2.87466 au 
 T_jup = 3.580 
[ 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 16.6   n/a MPO266536  
rotation period rot_per 5.360 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

172473 (2003 SB55)          Discovered 2003-Sep-16 by LONEOS at Anderson Mesa
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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