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17550 (1993 TO18)
Classification: Main-belt Asteroid          SPK-ID: 2017550
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1444922036914712 3.0931e-08  
a 2.404051405647175 8.5388e-09 au
q 2.056684720257636 7.5131e-08 au
i 2.987572917798856 3.9298e-06 deg
node 27.15959209663801 6.3303e-05 deg
peri 208.0049653089158 6.4898e-05 deg
M 240.4883714217542 1.5702e-05 deg
tp 2459652.482599424813
(2022-Mar-13.98259942)
6.0386e-05 TDB
period 1361.488733177138
3.73
7.2537e-06
1.986e-08
d
yr
n .2644164371157978 1.4088e-09 deg/d
Q 2.751418091036715 9.7726e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1424  
   data-arc span      10533 days (28.84 yr)  
   first obs. used      1992-05-02  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51599  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:06:02  

Additional Information
 Earth MOID = 1.04455 au 
 Jupiter MOID = 2.24588 au 
 T_jup = 3.508 
[ 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 15.20   n/a E2021B10  
diameter diameter 2.414 km 0.605 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.332   0.086 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17550 (1993 TO18)          Discovered 1993-Oct-09 by Elst, E. W. at La Silla
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 TO18 = 1992 JZ1 = 1999 CE42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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