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 ]  
52797 (1998 QS54)
Classification: Main-belt Asteroid          SPK-ID: 2052797
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2516590668409783 4.3538e-08  
a 2.327303606400209 9.1617e-09 au
q 1.741616552557889 1.0173e-07 au
i 4.710580420268278 5.8829e-06 deg
node 315.8106640361614 5.0881e-05 deg
peri 55.95926340385255 5.207e-05 deg
M 34.88071351216256 1.337e-05 deg
tp 2458874.850475321609
(2020-Jan-26.35047532)
4.7681e-05 TDB
period 1296.814896531523
3.55
7.6576e-06
2.097e-08
d
yr
n .2776032269237965 1.6392e-09 deg/d
Q 2.912990660242529 1.1467e-08 au
  Orbit Determination Parameters
   # obs. used (total)      776  
   data-arc span      8770 days (24.01 yr)  
   first obs. used      1995-11-23  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57059  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:35:52  

Additional Information
 Earth MOID = .746707 au 
 Jupiter MOID = 2.57483 au 
 T_jup = 3.526 
[ 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 15.5   n/a MPO293729  
diameter diameter 2.125 km 0.500 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.225   0.160 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52797 (1998 QS54)          Discovered 1998-Aug-27 by LONEOS at Anderson Mesa
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 QS54 = 2000 EO27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-02 10:06 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin