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 ]  
(2009 UW87)
Classification: Apollo [NEO]          SPK-ID: 3472697
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2455132.5 (2009-Oct-28.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5459759708912408 0.00080588  
a 1.958421910859202 0.0032463 au
q .88917060666317 0.00010438 au
i 1.382977368685731 0.0016856 deg
node 210.5402194019853 0.00091987 deg
peri 233.1600217854067 0.0024578 deg
M 346.656685983438 0.0371 deg
tp 2455169.603853953931
(2009-Dec-04.10385395)
0.010911 TDB
period 1001.054716005014
2.74
2.489
0.006815
d
yr
n .3596207022895609 0.00089416 deg/d
Q 3.027673215055234 0.0050187 au
  Orbit Determination Parameters
   # obs. used (total)      21  
   data-arc span      4 days  
   first obs. used      2009-10-27  
   last obs. used      2009-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .37867  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:59:20  

Additional Information
 Earth MOID = .00329913 au 
 Jupiter MOID = 2.245 au 
 T_jup = 3.685 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 28.0   n/a MPO166382  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-28 17:51 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin