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 ]  
172292 (2002 TR177)
Classification: Main-belt Asteroid          SPK-ID: 2172292
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1677447148947757 6.0044e-08  
a 2.789291997106094 3.4967e-08 au
q 2.321403006293253 1.7641e-07 au
i 17.02703828170942 8.5331e-06 deg
node 264.4375358995005 2.5365e-05 deg
peri 33.17592073647032 3.9429e-05 deg
M 350.3650277109933 3.1559e-05 deg
tp 2459046.039406593450
(2020-Jul-15.53940659)
0.0001496 TDB
period 1701.529167068533
4.66
3.1996e-05
8.76e-08
d
yr
n .2115743925919432 3.9785e-09 deg/d
Q 3.257180987918936 4.0832e-08 au
  Orbit Determination Parameters
   # obs. used (total)      232  
   data-arc span      6531 days (17.88 yr)  
   first obs. used      2001-06-16  
   last obs. used      2019-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53278  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:41:18  

Additional Information
 Earth MOID = 1.32204 au 
 Jupiter MOID = 1.95464 au 
 T_jup = 3.246 
[ 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 15.1   n/a MPO433106  
diameter diameter 3.936 km 0.230 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.100   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

172292 (2002 TR177)          Discovered 2002-Oct-11 by NEAT at Palomar
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ 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 2020-Feb-21 13:08 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin