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408 Fama (A917 RB)
Classification: Main-belt Asteroid          SPK-ID: 2000408
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 50 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1452924549870129 2.6344e-08  
a 3.166466824836625 1.2099e-08 au
q 2.70640308622118 8.3008e-08 au
i 9.085631514881175 4.9173e-07 deg
node 297.1301378540931 1.5794e-06 deg
peri 108.5751766371594 6.2357e-06 deg
M 103.1911585534153 5.9789e-06 deg
tp 2458806.569530271843
(2019-Nov-19.06953027)
3.2552e-05 TDB
period 2058.073308598467
5.63
1.1796e-05
3.23e-08
d
yr
n .1749208827965207 1.0025e-09 deg/d
Q 3.62653056345207 1.3857e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3520  
   data-arc span      41927 days (114.79 yr)  
   first obs. used      1906-09-12  
   last obs. used      2021-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .37717  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 11:01:26  

Additional Information
 Earth MOID = 1.73318 au 
 Jupiter MOID = 1.81926 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 9.34   n/a E2021B10  
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. 2020-October); 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 (A917 RB)          Discovered 1895-Oct-13 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1973-Jan-23 06:58 < 00:01 Jupiter 1.92930459821224 1.92930434348482 1.92930485293966 4.09661091570899 3.98800214198832 2441705.790025783 0.809453936116119 25.572303940624 6.80627769367916 -70.1579327441984 10680863.4396138 T 50 CATAB v2.0g-lin.ifort 2021-Jul-08 11:03:08 2021-Jul-08 11:03
1983-Oct-19 06:09 < 00:01 Jupiter 1.88943706671167 1.88943687466631 1.88943725875703 3.16088654380308 3.0157282003248 2445626.756511365 0.626068348627723 36.9711348429304 7.26827631770214 85.3026366849245 8860322.96037468 T 50 CATAB v2.0g-lin.ifort 2021-Jul-08 11:03:08 2021-Jul-08 11:03
1994-Jun-23 03:50 < 00:01 Jupiter 1.97407789226386 1.97407763242338 1.97407815210422 2.25766402970322 2.05885936786524 2449526.659796305 0.448248323848232 15.3230161782047 4.64518504170165 69.2018515514679 6104230.51528836 T 50 CATAB v2.0g-lin.ifort 2021-Jul-08 11:03:08 2021-Jul-08 11:03
2080-Apr-15 01:58 00:01 Jupiter 1.96952696156931 1.96952663767887 1.96952728545976 4.30928095933867 4.20829829273457 2480869.582202194 1.00694381094287 17.2495990942408 7.43664120734265 35.6485823187801 7545752.60035623 T 50 CATAB v2.0g-lin.ifort 2021-Jul-08 11:03:08 2021-Jul-08 11:03
2091-Jan-11 06:08 00:01 Jupiter 1.86021833035107 1.86021816770841 1.86021849299373 3.52661310376723 3.39504491666275 2484792.755641867 1.18358576207596 67.3878416992786 6.40503257432625 86.3253317368303 9796979.57210702 T 50 CATAB v2.0g-lin.ifort 2021-Jul-08 11:03:08 2021-Jul-08 11:03
2101-Sep-30 16:20 00:01 Jupiter 1.91829089920122 1.91829048745635 1.91829131094652 2.61736443155023 2.44284574898853 2488707.180526750 1.4717799913637 68.5205382249792 8.77092872175321 66.4425511642624 7244893.87773554 T 50 CATAB v2.0g-lin.ifort 2021-Jul-08 11:03:08 2021-Jul-08 11:03
2198-Apr-06 07:37 00:03 Jupiter 1.86196563905543 1.86196519509981 1.86196608301369 3.79930294359149 3.67761980797904 2523958.817441519 2.96615864890116 122.862397719273 6.34578840932806 -82.913843418273 10291490.4106922 T 50 CATAB v2.0g-lin.ifort 2021-Jul-08 11:03:08 2021-Jul-08 11:03

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