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 ]  
175813 (1999 RU207)
Classification: Main-belt Asteroid          SPK-ID: 2175813
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1874257949315023 3.7057e-08  
a 2.284479516443066 1.0334e-08 au
q 1.856309127068991 8.4494e-08 au
i 5.157951431543053 4.394e-06 deg
node 281.8944459723775 5.3305e-05 deg
peri 38.18351012244098 5.4923e-05 deg
M 85.96074184514386 1.4513e-05 deg
tp 2458899.354080118085
(2020-Feb-19.85408012)
5.0066e-05 TDB
period 1261.186546677226
3.45
8.5575e-06
2.343e-08
d
yr
n .2854454806455641 1.9368e-09 deg/d
Q 2.712649905817142 1.2271e-08 au
  Orbit Determination Parameters
   # obs. used (total)      433  
   data-arc span      7799 days (21.35 yr)  
   first obs. used      1999-09-08  
   last obs. used      2021-01-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50545  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:33:51  

Additional Information
 Earth MOID = .844423 au 
 Jupiter MOID = 2.59066 au 
 T_jup = 3.574 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.53   n/a E2021B55  

175813 (1999 RU207)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20080221/Numbers.arcLast Updated: 2008-02-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-12 13:27 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin