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47094 (1999 AW21)
Classification: Main-belt Asteroid          SPK-ID: 2047094
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02095631660546696 3.8295e-08  
a 2.293118886407417 9.5805e-09 au
q 2.245063561009887 8.5538e-08 au
i 8.765930458809395 3.9845e-06 deg
node 147.5767313120478 2.4109e-05 deg
peri 68.49744811048441 0.00010114 deg
M 222.8721105236395 9.7379e-05 deg
tp 2459083.627295608086
(2020-Aug-22.12729561)
0.00034315 TDB
period 1268.34757745538
3.47
7.9486e-06
2.176e-08
d
yr
n .2838338688849387 1.7788e-09 deg/d
Q 2.341174211804947 9.7813e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1173  
   data-arc span      13232 days (36.23 yr)  
   first obs. used      1983-07-17  
   last obs. used      2019-10-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50351  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:30:22  

Additional Information
 Earth MOID = 1.257 au 
 Jupiter MOID = 2.63437 au 
 T_jup = 3.581 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO309517  
diameter diameter 2.097 km 0.336 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.366   0.197 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

47094 (1999 AW21)          Discovered 1999-Jan-15 by Korlevic, K. at Visnjan
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 AW21 = 2000 LK31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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