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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1564023405107367 4.2061e-08  
a 2.484368353375408 1.6612e-08 AU
q 2.09580732821669 1.0547e-07 AU
i 1.129896335625168 5.8191e-06 deg
node 220.4780516995544 0.00037168 deg
peri 210.567999636924 0.00037286 deg
M 189.0033267665952 2.9841e-05 deg
tp 2457479.871884720929
(2016-Apr-01.37188472)
0.00012031 JED
period 1430.284425274749
3.92
1.4345e-05
3.927e-08
d
yr
n .2516981892820697 2.5245e-09 deg/d
Q 2.872929378534127 1.921e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1240  
   data-arc span      14900 days (40.79 yr)  
   first obs. used      1972-10-07  
   last obs. used      2013-07-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53273  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-26 19:41:45  

Additional Information
 Earth MOID = 1.10947 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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