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JPL Small-Body Database Browser
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27817 (1993 TO17)
Classification: Main-belt Asteroid          SPK-ID: 2027817
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0734568643029966 3.3232e-08  
a 2.610751926183271 1.3885e-08 au
q 2.41897427621284 8.9273e-08 au
i 3.495989464251134 4.8993e-06 deg
node 30.85902735168667 7.0012e-05 deg
peri 34.39914603865853 8.2495e-05 deg
M 338.8866999637003 4.2592e-05 deg
tp 2458690.865042284671
(2019-Jul-26.36504228)
0.00018243 TDB
period 1540.802014206734
4.22
1.2292e-05
3.365e-08
d
yr
n .233644554381857 1.8639e-09 deg/d
Q 2.802529576153703 1.4905e-08 au
  Orbit Determination Parameters
   # obs. used (total)      893  
   data-arc span      9555 days (26.16 yr)  
   first obs. used      1993-10-09  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57724  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 01:41:55  

Additional Information
 Earth MOID = 1.43286 au 
 Jupiter MOID = 2.40287 au 
 T_jup = 3.403 
[ 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 15.3   n/a MPO406139  

27817 (1993 TO17)          Discovered 1993-Oct-09 by Elst, E. W. at La Silla
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 TO17 = 1998 YZ1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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