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21147 (1993 FV80)
Classification: Main-belt Asteroid          SPK-ID: 2021147
[ 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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1847753357886767 4.7006e-08  
a 2.68034888732543 1.3801e-08 au
q 2.185086521639068 1.3342e-07 au
i 2.577781096349819 4.1061e-06 deg
node 45.36657341698245 9.1303e-05 deg
peri 281.9505564948549 9.2e-05 deg
M 343.7311014183346 1.134e-05 deg
tp 2459272.933766594312
(2021-Feb-27.43376659)		 5.0676e-05 TDB
period 1602.822455561892
4.39		 1.238e-05
3.389e-08		 d
yr
n .2246037911128448 1.7348e-09 deg/d
Q 3.175611253011792 1.6351e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1142  
   data-arc span      10017 days (27.43 yr)  
   first obs. used      1993-03-18  
   last obs. used      2020-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54021  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:58:39  

Additional Information
 Earth MOID = 1.17349 au 
 Jupiter MOID = 2.17192 au 
 T_jup = 3.351 
[ 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 14.72   n/a E2021B10  
diameter diameter 3.776 km 0.999 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.196   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

21147 (1993 FV80)          Discovered 1993-Mar-18 by UESAC at La Silla
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 FV80 = 1998 HT148 = 1998 LK4 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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