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JPL Small-Body Database Browser
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52925 (1998 SW117)
Classification: Main-belt Asteroid          SPK-ID: 2052925
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07459660421461868 4.388e-08  
a 2.278074858749459 9.6454e-09 au
q 2.108138210140052 9.8646e-08 au
i 6.704498176390918 5.0763e-06 deg
node .7086464159542987 3.186e-05 deg
peri 298.6054538562717 4.5428e-05 deg
M 62.46670676243248 3.4532e-05 deg
tp 2458382.580284432541
(2018-Sep-21.08028443)
0.0001201 TDB
period 1255.886562143303
3.44
7.9761e-06
2.184e-08
d
yr
n .2866500931307219 1.8205e-09 deg/d
Q 2.448011507358866 1.0365e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1113  
   data-arc span      7740 days (21.19 yr)  
   first obs. used      1998-09-26  
   last obs. used      2019-12-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49201  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 05:07:15  

Additional Information
 Earth MOID = 1.10192 au 
 Jupiter MOID = 2.69745 au 
 T_jup = 3.595 
[ 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 15.1   n/a MPO452889  
diameter diameter 2.721 km 0.398 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.262   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52925 (1998 SW117)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 SW117 = 2000 DW94 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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