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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1578537755967871 1.7783e-08  
a 2.48379777061964 7.2009e-09 au
q 2.091720914708448 4.5335e-08 au
i 1.133403656964057 9.9209e-07 deg
node 220.4114003490978 3.8843e-05 deg
peri 211.0467914012346 4.0471e-05 deg
M 72.61531633391171 5.0937e-06 deg
tp 2458912.097839734359
(2020-Mar-03.59783973)
1.9986e-05 TDB
period 1429.79171526578
3.91
6.2178e-06
1.702e-08
d
yr
n .2517849251442058 1.0949e-09 deg/d
Q 2.875874626530833 8.3376e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2664  
   data-arc span      17701 days (48.46 yr)  
   first obs. used      1972-10-06  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47501  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 00:56:36  

Additional Information
 Earth MOID = 1.10587 au 
 Jupiter MOID = 2.39301 au 
 T_jup = 3.459 
[ 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 13.76   n/a MPCxxxxx  
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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