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JPL Small-Body Database Browser
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17772 (1998 EP13)
Classification: Main-belt Asteroid          SPK-ID: 2017772
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06064202592277474 3.1928e-08  
a 2.853393889316121 1.3343e-08 au
q 2.680358303112326 9.2257e-08 au
i 3.122928986589622 3.1829e-06 deg
node 80.44371780430009 6.4857e-05 deg
peri 235.2855158877145 7.1252e-05 deg
M 359.9426447903488 2.8789e-05 deg
tp 2458600.780486128470
(2019-Apr-27.28048613)
0.00014079 TDB
period 1760.520218882521
4.82
1.2348e-05
3.381e-08
d
yr
n .2044850130880676 1.4343e-09 deg/d
Q 3.026429475519916 1.4152e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2159  
   data-arc span      15744 days (43.10 yr)  
   first obs. used      1976-10-22  
   last obs. used      2019-11-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50357  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:22:25  

Additional Information
 Earth MOID = 1.66722 au 
 Jupiter MOID = 2.14133 au 
 T_jup = 3.300 
[ 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 13.6   n/a MPO449081  

17772 (1998 EP13)          Discovered 1998-Mar-01 by Elst, E. W. at La Silla
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 EP13 = 1976 UC18 = 1990 SZ18 = 1994 LF6 = 1999 NE13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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