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78903 (2003 SP79)
Classification: Main-belt Asteroid          SPK-ID: 2078903
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08983295206989421 4.0574e-08  
a 2.809783040358409 1.9801e-08 au
q 2.557371935167091 1.108e-07 au
i 13.12708774640161 6.4248e-06 deg
node 343.088444983381 2.033e-05 deg
peri 125.2519606405751 4.3162e-05 deg
M 101.9970798700292 3.8416e-05 deg
tp 2458513.091785125184
(2019-Jan-29.59178512)		 0.00018193 TDB
period 1720.313538177016
4.71		 1.8185e-05
4.979e-08		 d
yr
n .209264178890021 2.2121e-09 deg/d
Q 3.062194145549727 2.158e-08 au
   Orbit Determination Parameters
   # obs. used (total)      655  
   data-arc span      7974 days (21.83 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55251  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:25:06  

Additional Information
 Earth MOID = 1.5969 au 
 Jupiter MOID = 2.03057 au 
 T_jup = 3.277 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457040.5 (2015-Jan-18.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09105729995298341 4.0721e-08  
q 2.554820261915865 1.1163e-07 au
tp 2456794.866018205429
(2014-May-17.36601821)		 0.0001744 TDB
node 343.103638186596 2.0328e-05 deg
peri 125.805830086752 4.261e-05 deg
i 13.12731328406664 6.4244e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      655  
   data-arc span      7974 days (21.83 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55251  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:25:06  

Additional Information
 Jupiter MOID = 2.03057 au 
 T_jup = 3.277 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.658189552193642E-15 -4.489723405460311E-15 1.763465154716854E-12 -6.525982128601632E-15 3.844957009468072E-13 -4.096956606071897E-15
q -4.489723405460311E-15 1.246059263390337E-14 -4.330705382505681E-12 1.817038288022315E-14 -9.403469296943848E-13 1.230461068635295E-14
tp 1.763465154716854E-12 -4.330705382505681E-12 3.041435239708874E-8 -1.074982952737218E-11 6.551293146812092E-9 -6.528229273568323E-13
node -6.525982128601632E-15 1.817038288022315E-14 -1.074982952737218E-11 4.132451953823019E-10 -4.041284997240246E-10 3.203369246537753E-11
peri 3.844957009468072E-13 -9.403469296943848E-13 6.551293146812092E-9 -4.041284997240246E-10 1.815606557252265E-9 -3.13234681078191E-11
i -4.096956606071897E-15 1.230461068635295E-14 -6.528229273568323E-13 3.203369246537753E-11 -3.13234681078191E-11 4.127228904580332E-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 14.8   n/a MPO337850  
diameter diameter 2.644 km 0.650 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.304   0.180 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78903 (2003 SP79)          Discovered 2003-Sep-19 by Spacewatch at Kitt Peak
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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