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344701 (2003 SW427)
Classification: Main-belt Asteroid          SPK-ID: 2344701
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09417586012497799 6.3319e-08  
a 2.738571690617771 3.7823e-08 au
q 2.480664346139927 1.8175e-07 au
i 8.47534539501922 8.232e-06 deg
node 207.6596338034275 5.0413e-05 deg
peri 200.010817415743 7.7093e-05 deg
M 224.0792415823244 6.2698e-05 deg
tp 2459625.482543130818
(2022-Feb-14.98254313)
0.00029735 TDB
period 1655.330047789343
4.53
3.4293e-05
9.389e-08
d
yr
n .2174792878802461 4.5054e-09 deg/d
Q 2.996479035095615 4.1385e-08 au
  Orbit Determination Parameters
   # obs. used (total)      119  
   data-arc span      5696 days (15.59 yr)  
   first obs. used      2003-09-29  
   last obs. used      2019-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48607  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 17:01:59  

Additional Information
 Earth MOID = 1.4916 au 
 Jupiter MOID = 2.38391 au 
 T_jup = 3.329 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457079.5 (2015-Feb-26.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09576614647440636 6.2781e-08  
q 2.473847391227177 1.7954e-07 au
tp 2456321.081825588404
(2013-Jan-28.58182559)
0.00025016 TDB
node 207.7033290596554 5.0375e-05 deg
peri 200.625178150628 7.6449e-05 deg
i 8.481477115315604 8.2368e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      119  
   data-arc span      5696 days (15.59 yr)  
   first obs. used      2003-09-29  
   last obs. used      2019-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48607  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 17:01:59  

Additional Information
 Jupiter MOID = 2.38391 au 
 T_jup = 3.329 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.941505196307466E-15 -1.10707414252485E-14 -6.482351483602869E-12 2.409281212564245E-14 -1.48494123943948E-12 -5.320048177915344E-15
q -1.10707414252485E-14 3.223416187402765E-14 2.23244069001033E-11 -7.314897995482902E-14 5.190318729773829E-12 1.925040153418721E-14
tp -6.482351483602869E-12 2.23244069001033E-11 6.257974503041948E-8 -1.174840822698955E-10 1.44375257882397E-8 3.330270920222406E-11
node 2.409281212564245E-14 -7.314897995482902E-14 -1.174840822698955E-10 2.53763078951702E-9 -2.536224517810063E-9 -1.630439038139966E-10
peri -1.48494123943948E-12 5.190318729773829E-12 1.44375257882397E-8 -2.536224517810063E-9 5.844428247713495E-9 1.691872956944622E-10
i -5.320048177915344E-15 1.925040153418721E-14 3.330270920222406E-11 -1.630439038139966E-10 1.691872956944622E-10 6.784534911161356E-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 16.6   n/a MPO434168  

344701 (2003 SW427)          Discovered 2003-Sep-29 by Spacewatch at Kitt Peak
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1910-Jun-10 19:53 00:05 Hygie 0.0327080766009744 0.0326851332836097 0.0327310488475816 4.11671438742033 4.11671410047663 2418833.328739903 4.87479998767254 1915.77223444095 99.6534880877299 53.4712587028109 39416.5502547336 T 11 CATAB v2.0f-lin.ifort 2020-Nov-11 17:02:00 2020-Nov-11 17:02

Alternate Designations
 2003 SW427 = 2006 KO56 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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