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
JPL Small-Body Database Browser
Search: [ help ]  
52904 (1998 ST74)
Classification: Main-belt Asteroid          SPK-ID: 2052904
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2450437539927618 3.4515e-08  
a 2.298691312663852 9.4517e-09 au
q 1.735411364138153 7.9101e-08 au
i 3.19727832633628 3.8324e-06 deg
node 87.49912990664761 7.6928e-05 deg
peri 191.610817790723 7.7371e-05 deg
M 150.6063484934236 8.5251e-06 deg
tp 2458467.950247847164
(2018-Dec-15.45024785)
2.9288e-05 TDB
period 1272.973634198378
3.49
7.8513e-06
2.15e-08
d
yr
n .2828024008735269 1.7442e-09 deg/d
Q 2.861971261189552 1.1768e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1036  
   data-arc span      10339 days (28.31 yr)  
   first obs. used      1991-10-06  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54462  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:37:59  

Additional Information
 Earth MOID = .719109 au 
 Jupiter MOID = 2.28164 au 
 T_jup = 3.550 
[ 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 15.3   n/a MPO287140  

52904 (1998 ST74)          Discovered 1998-Sep-21 by Elst, E. W. at La Silla
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 ST74 = 1991 TY9 = 1994 LQ8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-27 17:26 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin