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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1396613005074096 5.8737e-08  
a 2.592815189789175 2.1683e-08 au
q 2.230699248407853 1.5732e-07 au
i 2.846025346599911 5.9498e-06 deg
node 61.54379393293537 0.0001096 deg
peri 283.4324236223573 0.00011174 deg
M 305.5498112513209 2.1802e-05 deg
tp 2457631.149575220457
(2016-Aug-30.64957522)
9.2593e-05 JED
period 1524.950583047864
4.18
1.9129e-05
5.237e-08
d
yr
n .2360732236191423 2.9613e-09 deg/d
Q 2.954931131170498 2.4711e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1100  
   data-arc span      8741 days (23.93 yr)  
   first obs. used      1991-09-07  
   last obs. used      2015-08-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51876  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:52:09  

Additional Information
 Earth MOID = 1.22344 au 
 Jupiter MOID = 2.43094 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 2016-Feb-13 10:55 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin