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 ]  
21753 Trudel (1999 RJ180)
Classification: Main-belt Asteroid          SPK-ID: 2021753
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08258948653403918 3.5954e-08  
a 2.455892525817093 1.0922e-08 au
q 2.253061623127075 8.8816e-08 au
i 8.181980537705234 4.1399e-06 deg
node 115.6942888096825 2.3694e-05 deg
peri 327.9063855054678 3.1981e-05 deg
M 104.3834254495522 2.1831e-05 deg
tp 2458792.893119145895
(2019-Nov-05.39311915)
8.4798e-05 TDB
period 1405.764147665335
3.85
9.3775e-06
2.567e-08
d
yr
n .2560884772868057 1.7083e-09 deg/d
Q 2.658723428507111 1.1824e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1081  
   data-arc span      8760 days (23.98 yr)  
   first obs. used      1997-01-08  
   last obs. used      2021-01-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50906  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:54:17  

Additional Information
 Earth MOID = 1.27352 au 
 Jupiter MOID = 2.4924 au 
 T_jup = 3.474 
[ 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 14.94   n/a E2021B10  
diameter diameter 3.772 km 0.355 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.124   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

21753 Trudel           Discovered 1999 Sept. 9 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Thomas Andrew Trudel (b. 1987) was awarded second place in the 2005 Intel International Science and Engineering Fair for his engineering project. He attends the Muhlenberg High School, Laureldale, Pennsylvania, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050822/MPCPages.arcLast Updated: 2005-08-26

[ show close-approach data ]
Alternate Designations
 1999 RJ180 = 1997 AC15 
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-11 04:10 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin