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 ]  
74716 (1999 RO164)
Classification: Main-belt Asteroid          SPK-ID: 2074716
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1148603773398757 3.1558e-08  
a 2.242438533331947 1.004e-08 au
q 1.984871197231962 6.8863e-08 au
i 6.820722638749167 5.7578e-06 deg
node 329.6191985439099 2.8052e-05 deg
peri 292.732653069974 3.8691e-05 deg
M 133.7923711710202 2.5647e-05 deg
tp 2458544.664548674727
(2019-Mar-02.16454867)
8.7917e-05 TDB
period 1226.533030551768
3.36
8.2373e-06
2.255e-08
d
yr
n .2935102366041054 1.9712e-09 deg/d
Q 2.500005869431932 1.1193e-08 au
  Orbit Determination Parameters
   # obs. used (total)      972  
   data-arc span      8023 days (21.97 yr)  
   first obs. used      1997-12-08  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50535  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:27:04  

Additional Information
 Earth MOID = .981142 au 
 Jupiter MOID = 2.59214 au 
 T_jup = 3.615 
[ 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 15.4   n/a MPO280228  

74716 (1999 RO164)          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-07 18:30 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin