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JPL Small-Body Database Browser
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408 Fama (A895 TC)
Classification: Main-belt Asteroid          SPK-ID: 2000408
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1449967306327438 4.2945e-08  
a 3.166308403491374 1.4047e-08 au
q 2.707204036810142 1.389e-07 au
i 9.086256637897435 4.4942e-06 deg
node 297.1321763336791 3.0937e-05 deg
peri 108.6018924462472 3.4805e-05 deg
M 33.92604579807546 1.5034e-05 deg
tp 2458806.563751456701
(2019-Nov-19.06375146)
8.5928e-05 TDB
period 2057.918859484304
5.63
1.3694e-05
3.749e-08
d
yr
n .1749340108045916 1.1641e-09 deg/d
Q 3.625412770172605 1.6083e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2757  
   data-arc span      41419 days (113.40 yr)  
   first obs. used      1906-09-12  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40336  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:26:25  

Additional Information
 Earth MOID = 1.73449 au 
 Jupiter MOID = 1.81854 au 
 T_jup = 3.168 
[ 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 9.3   n/a MPO421629  
diameter diameter 35.620 km 0.259 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 202.1 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Stephens, R.D. (2008) Minor Planet Bull. 35, 21-22.]
geometric albedo albedo 0.221   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

408 Fama (A895 TC)          Discovered 1895-Oct-13 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 A895 TC = 1940 TG = A906 RC = A908 AB = A917 RB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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