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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1446341968291564 4.3043e-08  
a 3.165005043057074 1.4796e-08 au
q 2.707237080694285 1.3941e-07 au
i 9.086021715696738 4.8639e-06 deg
node 297.1371709000841 3.157e-05 deg
peri 108.6403928291034 3.5738e-05 deg
M 323.8977965607046 1.6547e-05 deg
tp 2458806.748711852770
(2019-Nov-19.24871185)
9.4718e-05 TDB
period 2056.648325962857
5.63
1.4422e-05
3.949e-08
d
yr
n .175042079608559 1.2275e-09 deg/d
Q 3.622773005419864 1.6936e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2524  
   data-arc span      41322 days (113.13 yr)  
   first obs. used      1906-09-12  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41656  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 01:53:04  

Additional Information
 Earth MOID = 1.73404 au 
 Jupiter MOID = 1.82026 au 
 T_jup = 3.168 
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Orbital Elements at Epoch 2455987.5 (2012-Mar-01.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .139403496769421 4.2685e-08  
q 2.727712393032863 1.3725e-07 au
tp 2456743.146674636677
(2014-Mar-26.64667464)
9.9495e-05 TDB
node 297.4517828013248 3.1412e-05 deg
peri 107.6588391635869 3.6048e-05 deg
i 9.104614211928221 4.8713e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2524  
   data-arc span      41322 days (113.13 yr)  
   first obs. used      1906-09-12  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41656  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 01:53:04  

Additional Information
 Jupiter MOID = 1.82026 au 
 T_jup = 3.168 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.82202584380248E-15 -5.833432044818821E-15 -1.102821427049256E-13 -5.259811405842942E-15 -1.373739979439167E-14 -1.897603542786246E-15
q -5.833432044818821E-15 1.883659862424948E-14 3.117331733388308E-13 1.920125113068791E-14 1.947323942747905E-14 7.428174055942821E-15
tp -1.102821427049256E-13 3.117331733388308E-13 9.899165070273858E-9 -4.692577959387881E-12 1.796423528035898E-9 -3.894338540316946E-12
node -5.259811405842942E-15 1.920125113068791E-14 -4.692577959387881E-12 9.867245722502813E-10 -9.740424020182117E-10 1.46690502311866E-11
peri -1.373739979439167E-14 1.947323942747905E-14 1.796423528035898E-9 -9.740424020182117E-10 1.299458871659877E-9 -1.510994698913074E-11
i -1.897603542786246E-15 7.428174055942821E-15 -3.894338540316946E-12 1.46690502311866E-11 -1.510994698913074E-11 2.372949706963569E-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

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