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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05385568784336164 3.1617e-08  
a 2.14143617591847 5.5077e-09 au
q 2.026107657691723 6.836e-08 au
i 2.847024816351313 4.4478e-06 deg
node 256.7031602164304 6.8908e-05 deg
peri 40.33653470677779 8.2113e-05 deg
M 168.4807162031032 4.5608e-05 deg
tp 2458464.821977540749
(2018-Dec-12.32197754)		 0.00014436 TDB
period 1144.606293416138
3.13		 4.4158e-06
1.209e-08		 d
yr
n .3145186271216114 1.2134e-09 deg/d
Q 2.256764694145217 5.8043e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1700  
   data-arc span      14031 days (38.41 yr)  
   first obs. used      1981-08-30  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49278  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:14:52  

Additional Information
 Earth MOID = 1.01111 au 
 Jupiter MOID = 2.82117 au 
 T_jup = 3.709 
[ 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 14.6   n/a MPO384908  

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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