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JPL Small-Body Database Browser
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52946 (1998 SZ142)
Classification: Main-belt Asteroid          SPK-ID: 2052946
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1490908161006381 3.2513e-08  
a 2.25282346983583 8.1486e-09 au
q 1.916948180187335 7.2476e-08 au
i 5.034852138092369 3.8619e-06 deg
node 71.96317345506651 5.7131e-05 deg
peri 194.3499354931096 5.9875e-05 deg
M 117.5993618326841 1.9487e-05 deg
tp 2458197.048221728049
(2018-Mar-19.54822173)
6.6174e-05 TDB
period 1235.063166282722
3.38
6.701e-06
1.835e-08
d
yr
n .2914830672859621 1.5815e-09 deg/d
Q 2.588698759484325 9.3635e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1213  
   data-arc span      8381 days (22.95 yr)  
   first obs. used      1995-12-18  
   last obs. used      2018-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51378  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:08:25  

Additional Information
 Earth MOID = .901184 au 
 Jupiter MOID = 2.48353 au 
 T_jup = 3.606 
[ 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 MPO452890  
diameter diameter 2.299 km 0.470 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.175   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52946 (1998 SZ142)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SZ142 = 2000 BG36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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