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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 ]

[ show orbit diagram ]
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 
[ 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 15.9   n/a MPO417185  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1904-Sep-20 00:10 < 00:01 Hebe 0.0432963265644445 0.0432889497838531 0.0433037108472001 8.1968289678671 8.19682895035007 2416743.506711116 0.392054362435605 973.8060479678 30.0830431684873 67.8645114356785 199419.163902345 T 22 CATAB v2.0f-lin.ifort 2020-Feb-23 10:38:25 2020-Feb-23 10:38
2116-Mar-30 21:06 < 00:01 Hebe 0.0484896452530089 0.048475041397919 0.0485042541221681 8.14761270458669 8.14761268885128 2494002.379285835 0.447292678364769 1065.71628282371 29.6569809156504 46.9179957851786 178676.822362843 T 22 CATAB v2.0f-lin.ifort 2020-Feb-23 10:38:25 2020-Feb-23 10:38

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