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 ]  
19180 (1991 RK16)
Classification: Main-belt Asteroid          SPK-ID: 2019180
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1395047169352783 6.2952e-08  
a 2.592620650249578 2.3118e-08 AU
q 2.230937840315953 1.6568e-07 AU
i 2.846122359486702 5.9693e-06 deg
node 61.54506546699904 0.00011705 deg
peri 283.49012874824 0.00011912 deg
M 211.0333944694832 2.1775e-05 deg
tp 2457631.447627442929
(2016-Aug-30.94762744)
9.2711e-05 JED
period 1524.778960160459
4.17
2.0394e-05
5.584e-08
d
yr
n .2360997950562722 3.1578e-09 deg/d
Q 2.954303460183203 2.6343e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1005  
   data-arc span      8601 days (23.55 yr)  
   first obs. used      1991-09-07  
   last obs. used      2015-03-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .531  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 17:02:55  

Additional Information
 Earth MOID = 1.22607 AU 
 T_jup = 3.403 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0 mag n/a MPO296291  

19180 (1991 RK16)          Discovered 1991-Sep-15 by Holt, H. E. at Palomar
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 RK16 = 1998 FM63 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-May-23 13:24 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin