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 ]  
48467 (1991 SB1)
Classification: Main-belt Asteroid          SPK-ID: 2048467
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1367967512156809 4.9383e-08  
a 2.341944831567143 1.2313e-08 au
q 2.021574387082403 1.1916e-07 au
i 7.329485657075995 4.1823e-06 deg
node 89.48908951147349 3.8801e-05 deg
peri 266.8038072468715 4.1655e-05 deg
M 248.553406795486 1.5136e-05 deg
tp 2459005.754376553180
(2020-Jun-05.25437655)
5.5711e-05 TDB
period 1309.071649156843
3.58
1.0324e-05
2.827e-08
d
yr
n .2750040459831757 2.1687e-09 deg/d
Q 2.662315276051884 1.3997e-08 au
  Orbit Determination Parameters
   # obs. used (total)      811  
   data-arc span      10110 days (27.68 yr)  
   first obs. used      1991-09-05  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5649  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:38:44  

Additional Information
 Earth MOID = 1.03214 au 
 Jupiter MOID = 2.77981 au 
 T_jup = 3.540 
[ 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 15.2   n/a MPO436122  

48467 (1991 SB1)          Discovered 1991-Sep-30 by McNaught, R. H. at Siding Spring
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 SB1 = 1999 WS20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin