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 ]  
24716 (1991 RB19)
Classification: Main-belt Asteroid          SPK-ID: 2024716
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1097114443150246 5.968e-08  
a 2.543376305661782 2.2317e-08 AU
q 2.264338817731017 1.444e-07 AU
i 10.55743014010994 7.0997e-06 deg
node 334.5838583954762 3.4174e-05 deg
peri 45.53134151379275 5.2326e-05 deg
M 239.4969491073253 4.0536e-05 deg
tp 2457496.418032315360
(2016-Apr-17.91803232)
0.00016988 JED
period 1481.543332811853
4.06
1.95e-05
5.339e-08
d
yr
n .2429898552590752 3.1982e-09 deg/d
Q 2.822413793592548 2.4765e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      843  
   data-arc span      10139 days (27.76 yr)  
   first obs. used      1987-09-17  
   last obs. used      2015-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52927  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:35:31  

Additional Information
 Earth MOID = 1.27768 AU 
 T_jup = 3.412 
[ 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 14.1 mag n/a MPO302213  

24716 (1991 RB19)          Discovered 1991-Sep-14 by Holt, H. E. at Palomar
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 RB19 = 1987 SE20 = 1987 UT2 = 1995 UA49 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-Aug-30 22:32 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin