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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1562906631406455 4.0112e-08  
a 2.484535000028795 1.6609e-08 AU
q 2.096225377278151 9.9817e-08 AU
i 1.129791527344745 5.3609e-06 deg
node 220.4684623052554 0.00033464 deg
peri 210.5879762234291 0.00033562 deg
M 239.3197736775815 2.7022e-05 deg
tp 2457480.012265728608
(2016-Apr-01.51226573)
0.00010864 JED
period 1430.42833878271
3.92
1.4344e-05
3.927e-08
d
yr
n .2516728662593183 2.5237e-09 deg/d
Q 2.87284462277944 1.9205e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1251  
   data-arc span      15294 days (41.87 yr)  
   first obs. used      1972-10-07  
   last obs. used      2014-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50355  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 13:58:22  

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 (399)
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 ]
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