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 ]  
74257 (1998 SR79)
Classification: Main-belt Asteroid          SPK-ID: 2074257
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1521998856370647 5.9176e-08  
a 2.529307276026807 1.0628e-08 au
q 2.144346997874531 1.5109e-07 au
i 2.229054051671557 5.8721e-06 deg
node 125.2928927652375 0.00011593 deg
peri 229.98611309556 0.00011678 deg
M 45.32447030918809 1.3462e-05 deg
tp 2458415.517325818770
(2018-Oct-24.01732582)
5.4611e-05 TDB
period 1469.267313020157
4.02
9.2608e-06
2.535e-08
d
yr
n .245020083690558 1.5444e-09 deg/d
Q 2.914267554179083 1.2246e-08 au
  Orbit Determination Parameters
   # obs. used (total)      632  
   data-arc span      10359 days (28.36 yr)  
   first obs. used      1990-09-25  
   last obs. used      2019-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60579  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:17:18  

Additional Information
 Earth MOID = 1.1395 au 
 Jupiter MOID = 2.51669 au 
 T_jup = 3.434 
[ 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 16.0   n/a MPO417338  

74257 (1998 SR79)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SR79 = 1990 SW24 = 1999 YG26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-07 19:49 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin