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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1446341970905675 4.3027e-08  
a 3.165005041784916 1.4488e-08 au
q 2.707237078778757 1.3928e-07 au
i 9.086021165991166 4.7328e-06 deg
node 297.1371696237651 3.1447e-05 deg
peri 108.6403928791624 3.549e-05 deg
M 323.8977982250985 1.5982e-05 deg
tp 2458806.748702219884
(2019-Nov-19.24870222)
9.1418e-05 TDB
period 2056.648324722868
5.63
1.4121e-05
3.866e-08
d
yr
n .1750420797140949 1.2019e-09 deg/d
Q 3.622773004791075 1.6583e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2573  
   data-arc span      41350 days (113.21 yr)  
   first obs. used      1906-09-12  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41377  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 20:06:59  

Additional Information
 Earth MOID = 1.73404 au 
 Jupiter MOID = 1.82026 au 
 T_jup = 3.168 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456040.5 (2012-Apr-23.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .139412106484054 4.2668e-08  
q 2.727579764831699 1.3709e-07 au
tp 2456743.231882604536
(2014-Mar-26.73188260)
9.6903e-05 TDB
node 297.450436857117 3.129e-05 deg
peri 107.679163121577 3.5795e-05 deg
i 9.104963122547924 4.7401e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2573  
   data-arc span      41350 days (113.21 yr)  
   first obs. used      1906-09-12  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41377  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 20:06:59  

Additional Information
 Jupiter MOID = 1.82026 au 
 T_jup = 3.168 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.820583372360457E-15 -5.825620980929724E-15 -8.583633664840255E-14 -6.391114069330923E-15 -9.10414990762849E-15 -2.360947396426821E-15
q -5.825620980929724E-15 1.879456501625289E-14 1.744657263952515E-13 2.270279400359985E-14 -3.760485045127786E-15 8.852259652023509E-15
tp -8.583633664840255E-14 1.744657263952515E-13 9.390275474229628E-9 -3.955158476840516E-12 1.722653130919607E-9 -3.775590264558163E-12
node -6.391114069330923E-15 2.270279400359985E-14 -3.955158476840516E-12 9.790363331402518E-10 -9.663428346427392E-10 1.158703033375053E-11
peri -9.10414990762849E-15 -3.760485045127786E-15 1.722653130919607E-9 -9.663428346427392E-10 1.281279318000214E-9 -1.20504946590698E-11
i -2.360947396426821E-15 8.852259652023509E-15 -3.775590264558163E-12 1.158703033375053E-11 -1.20504946590698E-11 2.246840710876218E-11

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-January); 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

[ show close-approach data ]
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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