Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
11400 Rasa (1999 AT21)
Classification: Main-belt Asteroid          SPK-ID: 2011400
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0828300307045247 7.9353e-08  
a 2.156745393322713 1.4678e-08 AU
q 1.97810210617195 1.7841e-07 AU
i .2309785496202039 4.8109e-06 deg
node 281.7211011971571 0.0017487 deg
peri 91.19392696008704 0.0017491 deg
M 56.30097350257237 3.0793e-05 deg
tp 2456619.570180865824
(2013-Nov-23.07018087)
9.9405e-05 JED
period 1156.90246253606
3.17
1.181e-05
3.233e-08
d
yr
n .3111757573848012 3.1766e-09 deg/d
Q 2.335388680473475 1.5894e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      837  
   data-arc span      13489 days (36.93 yr)  
   first obs. used      1977-02-19  
   last obs. used      2014-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55126  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Feb-19 18:15:25  

Additional Information
 Earth MOID = .976646 AU 
 T_jup = 3.696 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2 mag n/a MPO267752  

11400 Rasa           Discovered 1999 Jan. 15 by K. Korlevic at Visnjan.
Rasa is a river in the Istrian peninsula.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20051215/MPCPages.arcLast Updated: 2006-03-22

Alternate Designations
 1999 AT21 = 1977 DK9 = 1988 WL 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Apr-21 02:02 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin