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

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1575809720512227 2.9566e-08  
a 2.483233423670989 8.2758e-09 au
q 2.091923086938829 7.4351e-08 au
i 1.133496236423257 4.7489e-06 deg
node 220.4217840978415 0.00018805 deg
peri 211.1256392309214 0.00018906 deg
M 281.4528436161494 1.796e-05 deg
tp 2458912.354999483984
(2020-Mar-03.85499948)
7.1033e-05 TDB
period 1429.304445670765
3.91
7.1451e-06
1.956e-08
d
yr
n .2518707620971919 1.2591e-09 deg/d
Q 2.874543760403149 9.5799e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2189  
   data-arc span      17218 days (47.14 yr)  
   first obs. used      1972-10-06  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49931  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 22:35:12  

Additional Information
 Earth MOID = 1.10639 au 
 Jupiter MOID = 2.39398 au 
 T_jup = 3.460 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.7   n/a MPO347615  
diameter diameter 5.258 km 0.160 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.254   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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