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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
469481 (2002 TP91)
Classification: Main-belt Asteroid          SPK-ID: 2469481
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2541415632053728 7.9558e-08  
a 2.30726063337239 1.5569e-08 au
q 1.720889809284912 1.8803e-07 au
i 3.484828150031122 1.0047e-05 deg
node 245.1768641967906 0.00013105 deg
peri 97.56743166189804 0.00013355 deg
M 283.9467058984222 2.0012e-05 deg
tp 2458870.932535371303
(2020-Jan-22.43253537)
7.1649e-05 TDB
period 1280.098566192802
3.50
1.2956e-05
3.547e-08
d
yr
n .2812283440568893 2.8464e-09 deg/d
Q 2.893631457459867 1.9525e-08 au
  Orbit Determination Parameters
   # obs. used (total)      127  
   data-arc span      6119 days (16.75 yr)  
   first obs. used      2002-10-03  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5599  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:02:30  

Additional Information
 Earth MOID = .716489 au 
 Jupiter MOID = 2.53175 au 
 T_jup = 3.541 
[ 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 17.9   n/a MPO397652  
diameter diameter 1.601 km 0.446 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

469481 (2002 TP91)          Discovered 2002-Oct-03 by NEAT at Palomar
Reference: Last Updated: 2016-08-22

Alternate Designations
 2002 TP91 = 2009 TA5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin