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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1560137016827248 3.7357e-08  
a 2.483927632439823 1.267e-08 au
q 2.09640088779088 9.5918e-08 au
i 1.130070321949474 5.2338e-06 deg
node 220.4530196418055 0.00025193 deg
peri 210.6584215916522 0.00025314 deg
M 30.28108671385364 2.2151e-05 deg
tp 2457480.224882128558
(2016-Apr-01.72488213)
8.8117e-05 JED
period 1429.903848659093
3.91
1.094e-05
2.995e-08
d
yr
n .2517651801116514 1.9263e-09 deg/d
Q 2.871454377088766 1.4647e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1532  
   data-arc span      15851 days (43.40 yr)  
   first obs. used      1972-10-07  
   last obs. used      2016-03-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .4939  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 16:10:31  

Additional Information
 Earth MOID = 1.10935 au 
 Jupiter MOID = 2.40351 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 13.7 mag n/a MPO347615  

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 ]
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