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5306 Fangfen (1980 BB)
Classification: Main-belt Asteroid          SPK-ID: 2005306
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07199351238445016 2.7131e-08  
a 2.85518364477636 1.234e-08 au
q 2.649628945686274 8.1198e-08 au
i 3.131248474068293 3.7982e-06 deg
node 80.15339318560494 5.9169e-05 deg
peri 254.2287366034283 6.5562e-05 deg
M 273.0954335532353 2.8912e-05 deg
tp 2459425.892270314073
(2021-Jul-30.39227031)
0.00014192 TDB
period 1762.176874869702
4.82
1.1424e-05
3.128e-08
d
yr
n .2042927728390596 1.3244e-09 deg/d
Q 3.060738343866447 1.3228e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2497  
   data-arc span      25772 days (70.56 yr)  
   first obs. used      1949-11-23  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44159  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:18:52  

Additional Information
 Earth MOID = 1.64157 au 
 Jupiter MOID = 2.19891 au 
 T_jup = 3.298 
[ 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 12.6   n/a MPO337298  
diameter diameter 8.304 km 0.239 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.279   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

5306 Fangfen (1980 BB)          Discovered 1980-Jan-25 by Harvard University at Harvard
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1980 BB = 1953 PE1 = 1978 TF9 = 1978 UM = 1979 YZ8 = 1980 BU5 = 1985 DR4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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