Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
26284 (1998 SZ59)
Classification: Main-belt Asteroid          SPK-ID: 2026284
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08180950600100037 4.0516e-08  
a 2.41153550930523 1.0851e-08 au
q 2.214248980585098 1.0014e-07 au
i 7.197919785098947 4.7945e-06 deg
node 153.5147332457655 3.4382e-05 deg
peri 105.3873474559739 4.833e-05 deg
M 26.96597282078982 3.7358e-05 deg
tp 2458898.040434379089
(2020-Feb-18.54043438)
0.00014167 TDB
period 1367.851398080866
3.74
9.2322e-06
2.528e-08
d
yr
n .2631864839302648 1.7764e-09 deg/d
Q 2.608822038025362 1.1739e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1254  
   data-arc span      9546 days (26.14 yr)  
   first obs. used      1993-03-17  
   last obs. used      2019-05-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51536  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:24:20  

Additional Information
 Earth MOID = 1.2121 au 
 Jupiter MOID = 2.44432 au 
 T_jup = 3.504 
[ 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 14.8   n/a MPO337481  
rotation period rot_per 7.501 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

26284 (1998 SZ59)          Discovered 1998-Sep-17 by LONEOS at Anderson Mesa
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SZ59 = 1993 FX6 = 1994 PO15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-01 12:26 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin