Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
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 ]  
59816 (1999 RO20)
Classification: Main-belt Asteroid          SPK-ID: 2059816
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1351240271103046 3.9203e-08  
a 2.331645637687918 9.1794e-09 au
q 2.016584289329352 9.1022e-08 au
i 5.730624515152016 5.2962e-06 deg
node 195.7970382007698 3.9137e-05 deg
peri 128.724089212307 4.3639e-05 deg
M 318.6422732902197 2.1284e-05 deg
tp 2459149.898558133441
(2020-Oct-27.39855813)
7.7338e-05 TDB
period 1300.445774146476
3.56
7.6795e-06
2.103e-08
d
yr
n .2768281516669002 1.6348e-09 deg/d
Q 2.646706986046484 1.042e-08 au
  Orbit Determination Parameters
   # obs. used (total)      864  
   data-arc span      10651 days (29.16 yr)  
   first obs. used      1991-04-13  
   last obs. used      2020-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51815  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 22:41:57  

Additional Information
 Earth MOID = 1.01088 au 
 Jupiter MOID = 2.66812 au 
 T_jup = 3.552 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO381686  

59816 (1999 RO20)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RO20 = 1998 FB142 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-30 23:27 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin