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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09570185071111574 3.8832e-08  
a 3.041884384791832 1.7181e-08 au
q 2.75077041951801 1.1849e-07 au
i 9.674975594507561 4.8343e-06 deg
node 213.0201692344818 2.0344e-05 deg
peri 123.9454263301531 3.1341e-05 deg
M 95.32399751138837 2.2041e-05 deg
tp 2458687.387933286658
(2019-Jul-22.88793329)
0.00011897 TDB
period 1937.815753003169
5.31
1.6417e-05
4.495e-08
d
yr
n .1857761758010702 1.5739e-09 deg/d
Q 3.332998350065654 1.8825e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1234  
   data-arc span      8212 days (22.48 yr)  
   first obs. used      1998-08-27  
   last obs. used      2021-02-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52964  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:48:58  

Additional Information
 Earth MOID = 1.75535 au 
 Jupiter MOID = 2.05763 au 
 T_jup = 3.211 
[ 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 14.18   n/a MPCxxxxx  
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. 2020-October); 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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