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78913 (2003 SP99)
Classification: Main-belt Asteroid          SPK-ID: 2078913
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06150207926108957 8.0052e-08  
a 2.947968248339265 2.1863e-08 au
q 2.766662071470728 2.3661e-07 au
i 11.44351161832601 7.0926e-06 deg
node 341.3318900418919 2.4144e-05 deg
peri 8.366695558386269 4.354e-05 deg
M 131.4417042106422 3.6571e-05 deg
tp 2458325.485177111423
(2018-Jul-25.98517711)
0.00018764 TDB
period 1848.768910135699
5.06
2.0567e-05
5.631e-08
d
yr
n .1947241745717025 2.1662e-09 deg/d
Q 3.129274425207802 2.3208e-08 au
  Orbit Determination Parameters
   # obs. used (total)      833  
   data-arc span      16045 days (43.93 yr)  
   first obs. used      1976-05-31  
   last obs. used      2020-05-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48781  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:25:04  

Additional Information
 Earth MOID = 1.76017 au 
 Jupiter MOID = 2.2131 au 
 T_jup = 3.238 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457065.5 (2015-Feb-12.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06005828855417644 7.9235e-08  
q 2.771293829841019 2.331e-07 au
tp 2456460.504667093421
(2013-Jun-17.00466709)
0.00019878 TDB
node 341.394778207419 2.4127e-05 deg
peri 5.397154885985422 4.5113e-05 deg
i 11.44928821540625 7.0852e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      833  
   data-arc span      16045 days (43.93 yr)  
   first obs. used      1976-05-31  
   last obs. used      2020-05-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48781  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:25:04  

Additional Information
 Jupiter MOID = 2.2131 au 
 T_jup = 3.238 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.278171718873883E-15 -1.839873707096949E-14 5.940769121993539E-12 4.246825699959363E-14 9.30178999353153E-13 2.904171119476884E-15
q -1.839873707096949E-14 5.433732461495329E-14 -1.772540994127894E-11 -1.242447571520545E-13 -2.75976508992602E-12 -7.656723503901695E-15
tp 5.940769121993539E-12 -1.772540994127894E-11 3.951491414515199E-8 7.013381773099284E-12 7.578802231642889E-9 -2.112569599753429E-11
node 4.246825699959363E-14 -1.242447571520545E-13 7.013381773099284E-12 5.821127236661772E-10 -5.702126396604137E-10 7.138947079469765E-11
peri 9.30178999353153E-13 -2.75976508992602E-12 7.578802231642889E-9 -5.702126396604137E-10 2.035154773673023E-9 -7.413759043091999E-11
i 2.904171119476884E-15 -7.656723503901695E-15 -2.112569599753429E-11 7.138947079469765E-11 -7.413759043091999E-11 5.019991886117382E-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 14.4   n/a MPO459360  
diameter diameter 6.831 km 0.331 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.095   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78913 (2003 SP99)          Discovered 2003-Sep-19 by NEAT at Haleakala
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2003 SP99 = 2001 FF150 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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