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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07258342135502518 4.7477e-08  
a 1.957803763013242 6.0183e-09 au
q 1.815699667551998 9.439e-08 au
i 20.87857558254365 5.9074e-06 deg
node 205.0894271131942 1.145e-05 deg
peri 293.709780410329 3.6545e-05 deg
M 168.9464709064797 3.5573e-05 deg
tp 2458130.931680266760
(2018-Jan-12.43168027)
9.8338e-05 TDB
period 1000.580800516047
2.74
4.6137e-06
1.263e-08
d
yr
n .3597910331822586 1.659e-09 deg/d
Q 2.099907858474486 6.4551e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1044  
   data-arc span      7559 days (20.70 yr)  
   first obs. used      1999-03-20  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50042  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:26:20  

Additional Information
 Earth MOID = .872572 au 
 Jupiter MOID = 2.93836 au 
 T_jup = 3.801 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457147.5 (2015-May-05.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07255115255653412 4.7475e-08  
q 1.816047332246602 9.4389e-08 au
tp 2457130.055509961592
(2015-Apr-17.55550996)
9.7411e-05 TDB
node 205.1099077488924 1.1449e-05 deg
peri 293.6602372153412 3.6574e-05 deg
i 20.87903989810249 5.9079e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1044  
   data-arc span      7559 days (20.70 yr)  
   first obs. used      1999-03-20  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50042  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:26:20  

Additional Information
 Jupiter MOID = 2.93836 au 
 T_jup = 3.801 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.253921358575723E-15 -4.473766762960275E-15 1.411385397892009E-12 -1.788548373629399E-15 5.548140573299449E-13 -3.47614913565253E-15
q -4.473766762960275E-15 8.909347412797429E-15 -2.658181082111965E-12 3.531747761264957E-15 -1.05267920808146E-12 6.804363520668545E-15
tp 1.411385397892009E-12 -2.658181082111965E-12 9.488831921376568E-9 -1.147619199810816E-11 3.39069277673241E-9 6.815657190865839E-12
node -1.788548373629399E-15 3.531747761264957E-15 -1.147619199810816E-11 1.310730448644664E-10 -1.260963987783205E-10 -1.818944613012264E-11
peri 5.548140573299449E-13 -1.05267920808146E-12 3.39069277673241E-9 -1.260963987783205E-10 1.337634168387175E-9 1.946292837231649E-11
i -3.47614913565253E-15 6.804363520668545E-15 6.815657190865839E-12 -1.818944613012264E-11 1.946292837231649E-11 3.490304452064618E-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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