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17898 Scottsheppard (1999 FB19)
Classification: Main-belt Asteroid          SPK-ID: 2017898
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05387783819895237 3.119e-08  
a 2.141334356223012 5.4978e-09 au
q 2.025963890248571 6.7495e-08 au
i 2.846844938669547 4.3691e-06 deg
node 256.6979559205082 6.8453e-05 deg
peri 40.45765618810007 8.1598e-05 deg
M 231.2591072772268 4.5512e-05 deg
tp 2459609.797573470876
(2022-Jan-30.29757347)		 0.00014523 TDB
period 1144.524659828236
3.13		 4.4078e-06
1.207e-08		 d
yr
n .314541060263417 1.2114e-09 deg/d
Q 2.256704822197453 5.794e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1810  
   data-arc span      14386 days (39.39 yr)  
   first obs. used      1981-08-30  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4987  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:35:46  

Additional Information
 Earth MOID = 1.00901 au 
 Jupiter MOID = 2.82037 au 
 T_jup = 3.710 
[ 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 14.64   n/a E2021B10  

17898 Scottsheppard           Discovered 1999 Mar. 22 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station.
Scott Sheppard (b. 1977) has pioneered the investigation of the rotational properties of Kuiper Belt Objects, and he has discovered many irregular satellites of the giant planets.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050721/MPCPages.arcLast Updated: 2005-07-21

Alternate Designations
 1999 FB19 = 1981 QR4 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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