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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09890404008734213 6.4427e-08  
a 2.931288386395629 3.5062e-08 au
q 2.641372122319995 1.808e-07 au
i 3.103715888337318 8.2499e-06 deg
node 52.12383380450205 0.00016573 deg
peri 22.23823049632073 0.0001735 deg
M 233.4245621998878 5.1936e-05 deg
tp 2458045.015231602822
(2017-Oct-18.51523160)
0.00026677 JED
period 1833.100381951119
5.02
3.289e-05
9.005e-08
d
yr
n .1963885903601321 3.5236e-09 deg/d
Q 3.221204650471263 3.853e-08 au
  Orbit Determination Parameters
   # obs. used (total)      879  
   data-arc span      8673 days (23.75 yr)  
   first obs. used      1991-09-13  
   last obs. used      2015-06-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49621  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 13:16:13  

Additional Information
 Earth MOID = 1.65587 au 
 Jupiter MOID = 2.01575 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
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 2016-Feb-12 12:08 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin