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 ]  
74713 (1999 RO156)
Classification: Main-belt Asteroid          SPK-ID: 2074713
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1124535514469722 5.4057e-08  
a 2.264428438886342 1.2645e-08 au
q 2.00978541893605 1.2485e-07 au
i 3.921393387999446 5.9019e-06 deg
node 323.6239153373941 8.1975e-05 deg
peri 83.02643595621223 8.6395e-05 deg
M 338.4515207632966 2.8047e-05 deg
tp 2459074.999001598241
(2020-Aug-13.49900160)
9.7215e-05 TDB
period 1244.618716743832
3.41
1.0425e-05
2.854e-08
d
yr
n .2892452083171551 2.4228e-09 deg/d
Q 2.519071458836635 1.4067e-08 au
  Orbit Determination Parameters
   # obs. used (total)      539  
   data-arc span      8864 days (24.27 yr)  
   first obs. used      1993-11-20  
   last obs. used      2018-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5996  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Mar-05 22:10:54  

Additional Information
 Earth MOID = 1.02367 au 
 Jupiter MOID = 2.80515 au 
 T_jup = 3.606 
[ 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 16.3   n/a MPO436305  

74713 (1999 RO156)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-12 10:58 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin