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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2009606304019082 3.1248e-08  
a 2.373547305373761 7.8273e-09 au
q 1.8965577425971 7.683e-08 au
i 1.88256713783795 3.6804e-06 deg
node 313.8881235356459 0.00014245 deg
peri 140.6667098684303 0.00014317 deg
M 328.9998044365062 1.2769e-05 deg
tp 2459315.515718626465
(2021-Apr-11.01571863)
4.7415e-05 TDB
period 1335.657983857603
3.66
6.607e-06
1.809e-08
d
yr
n .2695300775728979 1.3333e-09 deg/d
Q 2.850536868150423 9.4003e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1102  
   data-arc span      10657 days (29.18 yr)  
   first obs. used      1991-12-10  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50135  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:49:05  

Additional Information
 Earth MOID = .913536 au 
 Jupiter MOID = 2.33262 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 15.60   n/a MPCxxxxx  
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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