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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07261788868354453 4.7265e-08  
a 1.957949195056076 5.9901e-09 au
q 1.815767058361458 9.3994e-08 au
i 20.87726812890388 5.8924e-06 deg
node 205.0869388085987 1.1331e-05 deg
peri 293.5687781130626 3.6532e-05 deg
M 313.0128551918166 3.5741e-05 deg
tp 2459131.110204559864
(2020-Oct-08.61020456)
9.9519e-05 TDB
period 1000.692292189714
2.74
4.5923e-06
1.257e-08
d
yr
n .3597509472289911 1.6509e-09 deg/d
Q 2.100131331750693 6.4251e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1057  
   data-arc span      7617 days (20.85 yr)  
   first obs. used      1999-03-20  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50007  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:17:52  

Additional Information
 Earth MOID = .872495 au 
 Jupiter MOID = 2.93727 au 
 T_jup = 3.801 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457207.5 (2015-Jul-04.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07251906532863538 4.7296e-08  
q 1.816022542597848 9.4069e-08 au
tp 2457129.965710910482
(2015-Apr-17.46571091)
9.7444e-05 TDB
node 205.1065307372178 1.1328e-05 deg
peri 293.6261404259778 3.6578e-05 deg
i 20.88017487064943 5.8935e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1057  
   data-arc span      7617 days (20.85 yr)  
   first obs. used      1999-03-20  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50007  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:17:52  

Additional Information
 Jupiter MOID = 2.93727 au 
 T_jup = 3.801 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.236919632364031E-15 -4.441711165662887E-15 1.409861173873127E-12 -2.923439987150379E-15 5.56461712080407E-13 -3.122882249568426E-15
q -4.441711165662887E-15 8.848985275914296E-15 -2.653310043915159E-12 5.593993084999796E-15 -1.055055954780287E-12 6.215619620104702E-15
tp 1.409861173873127E-12 -2.653310043915159E-12 9.495369021691796E-9 -1.395003228562934E-11 3.39581125256711E-9 7.491911594637947E-12
node -2.923439987150379E-15 5.593993084999796E-15 -1.395003228562934E-11 1.283244526766714E-10 -1.243856535279412E-10 -1.752896032670957E-11
peri 5.56461712080407E-13 -1.055055954780287E-12 3.39581125256711E-9 -1.243856535279412E-10 1.337931191092095E-9 1.908119880611051E-11
i -3.122882249568426E-15 6.215619620104702E-15 7.491911594637947E-12 -1.752896032670957E-11 1.908119880611051E-11 3.473372050862847E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO502607  
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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