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74512 (1999 FS8)
Classification: Inner Main-belt Asteroid          SPK-ID: 2074512
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07259466932910705 4.3036e-08  
a 1.957951837066876 5.5879e-09 au
q 1.815814970892688 8.4901e-08 au
i 20.87744825301414 5.8714e-06 deg
node 205.0814765232597 1.0842e-05 deg
peri 293.5141882724979 3.6445e-05 deg
M 25.014072382217 3.5616e-05 deg
tp 2459130.968221960185
(2020-Oct-08.46822196)
9.892e-05 TDB
period 1000.69431765652
2.74
4.2839e-06
1.173e-08
d
yr
n .3597502190709619 1.5401e-09 deg/d
Q 2.100088703241064 5.9935e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1133  
   data-arc span      8040 days (22.01 yr)  
   first obs. used      1999-03-20  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50253  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:20:04  

Additional Information
 Earth MOID = .872098 au 
 Jupiter MOID = 2.93632 au 
 T_jup = 3.801 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.45   n/a MPCxxxxx  
diameter diameter 1.351 km 0.162 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.805   0.187 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74512 (1999 FS8)          Discovered 1999-Mar-20 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 FS8 = 2000 RO47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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