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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07217160975386819 1.9677e-08  
a 2.857008389872098 1.1646e-08 au
q 2.650813495294722 5.9809e-08 au
i 3.130395171235513 1.0058e-06 deg
node 80.15185393675208 1.2887e-05 deg
peri 253.7410870953105 1.5947e-05 deg
M 314.4190495538009 9.7913e-06 deg
tp 2459423.829748305430
(2021-Jul-28.32974831)
4.788e-05 TDB
period 1763.866453044954
4.83
1.0786e-05
2.953e-08
d
yr
n .2040970842086904 1.248e-09 deg/d
Q 3.063203284449474 1.2487e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2689  
   data-arc span      25864 days (70.81 yr)  
   first obs. used      1949-11-23  
   last obs. used      2020-09-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4325  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 17:35:06  

Additional Information
 Earth MOID = 1.64072 au 
 Jupiter MOID = 2.19439 au 
 T_jup = 3.297 
[ 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 12.67   n/a E2021B10  
diameter diameter 8.304 km 0.239 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.939 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
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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