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 ]  
173266 (1999 RY189)
Classification: Main-belt Asteroid          SPK-ID: 2173266
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1982128730001619 7.043e-08  
a 2.389514025009444 1.3792e-08 au
q 1.915881585038141 1.6604e-07 au
i 1.87926036971663 6.7097e-06 deg
node 332.6114497605757 0.00019344 deg
peri 23.66253455979557 0.00019424 deg
M 215.0419292979588 1.8051e-05 deg
tp 2459543.753711585068
(2021-Nov-25.25371158)
7.0678e-05 TDB
period 1349.157968393618
3.69
1.1681e-05
3.198e-08
d
yr
n .2668330977051085 2.3102e-09 deg/d
Q 2.863146464980746 1.6525e-08 au
  Orbit Determination Parameters
   # obs. used (total)      199  
   data-arc span      7535 days (20.63 yr)  
   first obs. used      1999-09-09  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58486  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:25:51  

Additional Information
 Earth MOID = .911653 au 
 Jupiter MOID = 2.5821 au 
 T_jup = 3.505 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456333.5 (2013-Feb-10.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1977897404008439 7.0528e-08  
q 1.917401160857332 1.6643e-07 au
tp 2456841.829999437278
(2014-Jul-03.32999944)
5.7973e-05 TDB
node 332.7292443867964 0.00019275 deg
peri 23.05252250729207 0.00019356 deg
i 1.883938192202913 6.7113e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      199  
   data-arc span      7535 days (20.63 yr)  
   first obs. used      1999-09-09  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58486  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:25:51  

Additional Information
 Jupiter MOID = 2.5821 au 
 T_jup = 3.505 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.974239153181392E-15 -1.171289795469405E-14 1.594472049137944E-13 3.697357445921332E-14 -2.069156427789423E-13 -3.753748070882355E-15
q -1.171289795469405E-14 2.769817332306429E-14 -1.009186012711292E-13 -8.584049686200543E-14 5.485554154298398E-13 8.78342841566839E-15
tp 1.594472049137944E-13 -1.009186012711292E-13 3.360908565800678E-9 -2.689122345160537E-11 1.03480547440302E-9 -3.625465882696253E-12
node 3.697357445921332E-14 -8.584049686200543E-14 -2.689122345160537E-11 3.715137490952138E-8 -3.714065956838562E-8 4.254228663450549E-10
peri -2.069156427789423E-13 5.485554154298398E-13 1.03480547440302E-9 -3.714065956838562E-8 3.746578264519796E-8 -4.261814402572753E-10
i -3.753748070882355E-15 8.78342841566839E-15 -3.625465882696253E-12 4.254228663450549E-10 -4.261814402572753E-10 4.504190672111515E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.4   n/a MPO469856  

173266 (1999 RY189)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-22 06:53 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin