Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
48465 (1991 RS20)
Classification: Main-belt Asteroid          SPK-ID: 2048465
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09926709844980618 6.4486e-08  
a 2.930323183076674 3.5047e-08 AU
q 2.639438503172452 1.8086e-07 AU
i 3.104290173323325 8.2589e-06 deg
node 52.13032560929317 0.00016592 deg
peri 22.2448412947138 0.00017364 deg
M 154.8437150742353 5.1563e-05 deg
tp 2456212.433638426882
(2012-Oct-11.93363843)
0.00026067 JED
period 1832.195062165157
5.02
3.287e-05
8.999e-08
d
yr
n .1964856294146856 3.525e-09 deg/d
Q 3.221207862980895 3.8527e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      872  
   data-arc span      8265 days (22.63 yr)  
   first obs. used      1991-09-13  
   last obs. used      2014-04-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50056  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 04:17:04  

Additional Information
 Earth MOID = 1.6543 AU 
 T_jup = 3.267 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.0 mag n/a MPO263742  

48465 (1991 RS20)          Discovered 1991-Sep-14 by Holt, H. E. at Palomar (675)
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 RS20 = 1999 FP26 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-Mar-05 11:57 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin