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52926 (1998 SY117)
Classification: Main-belt Asteroid          SPK-ID: 2052926
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2008468338561468 4.5235e-08  
a 2.373463133161508 1.1556e-08 au
q 1.896760577591729 1.0451e-07 au
i 1.882538875889763 5.783e-06 deg
node 313.8878835791734 0.0001473 deg
peri 140.6587531125741 0.00014806 deg
M 275.0875827762819 1.5644e-05 deg
tp 2459315.521986424846
(2021-Apr-11.02198642)
5.9086e-05 TDB
period 1335.586935585046
3.66
9.7537e-06
2.67e-08
d
yr
n .269544415573595 1.9685e-09 deg/d
Q 2.850165688731287 1.3876e-08 au
  Orbit Determination Parameters
   # obs. used (total)      703  
   data-arc span      9655 days (26.43 yr)  
   first obs. used      1991-12-10  
   last obs. used      2018-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57658  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:38:14  

Additional Information
 Earth MOID = .913974 au 
 Jupiter MOID = 2.33301 au 
 T_jup = 3.515 
[ 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 15.5   n/a MPO436154  
diameter diameter 1.815 km 0.331 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.407   0.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52926 (1998 SY117)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SY117 = 1991 XF1 = 1994 PD6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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