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 ]  
11347 (1997 AG21)
Classification: Main-belt Asteroid          SPK-ID: 2011347
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1562906648400696 4.0047e-08  
a 2.484535001106555 1.6549e-08 AU
q 2.096225373965189 9.9717e-08 AU
i 1.129791733669085 5.3566e-06 deg
node 220.4684705205763 0.00033454 deg
peri 210.5879685852945 0.00033553 deg
M 239.3197725712607 2.6983e-05 deg
tp 2457480.012270436485
(2016-Apr-01.51227044)
0.00010846 JED
period 1430.428339713464
3.92
1.4292e-05
3.913e-08
d
yr
n .2516728660955595 2.5146e-09 deg/d
Q 2.872844628247922 1.9136e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1255  
   data-arc span      15605 days (42.72 yr)  
   first obs. used      1972-10-07  
   last obs. used      2015-06-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50402  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:06:44  

Additional Information
 Earth MOID = 1.11043 AU 
 T_jup = 3.459 
[ 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 13.6 mag n/a MPO267752  

11347 (1997 AG21)          Discovered 1997-Jan-09 by Ueda, S., Kaneda, H. at Kushiro
Reference: 19990831/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 AG21 = 1972 TP1 = 1978 EY2 = 1984 XE = 1998 HN102 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-Jul-07 13:14 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin