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JPL Small-Body Database Browser
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52909 (1998 SZ86)
Classification: Main-belt Asteroid          SPK-ID: 2052909
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 .09556053773992991 4.5067e-08  
a 3.040569116114724 1.8374e-08 au
q 2.750010696343378 1.4014e-07 au
i 9.677050010266724 5.3822e-06 deg
node 213.0243737928919 2.1587e-05 deg
peri 123.6243575840975 3.5194e-05 deg
M 344.108992952642 2.5175e-05 deg
tp 2458685.982982497818
(2019-Jul-21.48298250)
0.00013526 TDB
period 1936.55906183308
5.30
1.7554e-05
4.806e-08
d
yr
n .1858967315250569 1.6851e-09 deg/d
Q 3.331127535886071 2.013e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1051  
   data-arc span      7760 days (21.25 yr)  
   first obs. used      1998-08-27  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55466  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 05:06:50  

Additional Information
 Earth MOID = 1.75553 au 
 Jupiter MOID = 2.05777 au 
 T_jup = 3.212 
[ 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 14.1   n/a MPO432086  
diameter diameter 4.917 km 1.134 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.17653 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.201   0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52909 (1998 SZ86)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 SZ86 = 2002 JQ34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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