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JPL Small-Body Database Browser
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52924 (1998 SF117)
Classification: Main-belt Asteroid          SPK-ID: 2052924
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .115004589812998 3.8294e-08  
a 2.291138050423153 9.1572e-09 au
q 2.027646658729287 8.5767e-08 au
i 6.902596436880349 4.1014e-06 deg
node 341.7379405123866 3.4467e-05 deg
peri 34.25125833985839 3.9963e-05 deg
M 89.59208555637153 1.8991e-05 deg
tp 2458685.259172053966
(2019-Jul-20.75917205)
6.6881e-05 TDB
period 1266.704501360961
3.47
7.5941e-06
2.079e-08
d
yr
n .2842020373443153 1.7038e-09 deg/d
Q 2.55462944211702 1.021e-08 au
  Orbit Determination Parameters
   # obs. used (total)      800  
   data-arc span      7792 days (21.33 yr)  
   first obs. used      1998-09-26  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51773  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:38:14  

Additional Information
 Earth MOID = 1.03183 au 
 Jupiter MOID = 2.91949 au 
 T_jup = 3.580 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457086.5 (2015-Mar-05.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1156013418612126 3.8482e-08  
q 2.025965408548527 8.6259e-08 au
tp 2457416.845764713016
(2016-Jan-29.34576471)
6.6896e-05 TDB
node 341.8266437569849 3.4421e-05 deg
peri 33.71735655968924 3.9838e-05 deg
i 6.908447649768178 4.1039e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      800  
   data-arc span      7792 days (21.33 yr)  
   first obs. used      1998-09-26  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51773  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:38:14  

Additional Information
 Jupiter MOID = 2.91949 au 
 T_jup = 3.580 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.480840798267844E-15 -3.306054382672759E-15 -2.485269348102336E-13 3.365410443623821E-15 -1.220956972046624E-13 -3.406856685032825E-15
q -3.306054382672759E-15 7.440647797109878E-15 4.930448622772913E-13 -7.67056875879094E-15 2.509672452067938E-13 7.833673871911405E-15
tp -2.485269348102336E-13 4.930448622772913E-13 4.475017061549043E-9 1.654831711488907E-11 1.354604184706344E-9 -6.162818512553728E-12
node 3.365410443623821E-15 -7.67056875879094E-15 1.654831711488907E-11 1.184819385385655E-9 -1.170708831727212E-9 -3.227186336744884E-13
peri -1.220956972046624E-13 2.509672452067938E-13 1.354604184706344E-9 -1.170708831727212E-9 1.587087735589323E-9 -1.48064812275305E-12
i -3.406856685032825E-15 7.833673871911405E-15 -6.162818512553728E-12 -3.227186336744884E-13 -1.48064812275305E-12 1.684214462600943E-11

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 15.9   n/a MPO417185  

52924 (1998 SF117)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1998 SF117 = 2000 DZ73 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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