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226838 (2004 SL19)
Classification: Main-belt Asteroid          SPK-ID: 2226838
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1421330455319172 4.1609e-08  
a 2.757634492466156 2.1621e-08 au
q 2.365683503588079 1.1761e-07 au
i 8.150795916753941 5.1851e-06 deg
node 288.9240407000811 3.3023e-05 deg
peri 142.6669917626901 4.0403e-05 deg
M 106.4733424207367 2.1211e-05 deg
tp 2458505.800048629061
(2019-Jan-22.30004863)		 9.7495e-05 TDB
period 1672.643860373947
4.58		 1.9671e-05
5.386e-08		 d
yr
n .2152281238873625 2.5312e-09 deg/d
Q 3.149585481344234 2.4694e-08 au
   Orbit Determination Parameters
   # obs. used (total)      446  
   data-arc span      7094 days (19.42 yr)  
   first obs. used      2000-12-21  
   last obs. used      2020-05-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55459  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:30:36  

Additional Information
 Earth MOID = 1.38657 au 
 Jupiter MOID = 2.11673 au 
 T_jup = 3.314 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457365.5 (2015-Dec-09.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1419490820869778 4.1533e-08  
q 2.366919370306679 1.1744e-07 au
tp 2456834.974542146478
(2014-Jun-26.47454215)		 9.6791e-05 TDB
node 288.952573483091 3.3022e-05 deg
peri 143.1493320442618 4.0417e-05 deg
i 8.149924356226661 5.1849e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      446  
   data-arc span      7094 days (19.42 yr)  
   first obs. used      2000-12-21  
   last obs. used      2020-05-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55459  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:30:36  

Additional Information
 Jupiter MOID = 2.11673 au 
 T_jup = 3.314 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.725030466146248E-15 -4.817098774511612E-15 -2.215881321955902E-13 -1.291904922097512E-14 -1.007516126546103E-13 -4.406889772421884E-15
q -4.817098774511612E-15 1.379295574320198E-14 4.789730223684793E-13 3.578639733397245E-14 2.734516455630082E-13 1.28928264750986E-14
tp -2.215881321955902E-13 4.789730223684793E-13 9.368429669837821E-9 1.442312176610618E-11 2.271015685052688E-9 -5.660058936595105E-13
node -1.291904922097512E-14 3.578639733397245E-14 1.442312176610618E-11 1.090451914814442E-9 -1.074951361369226E-9 2.395671090779494E-11
peri -1.007516126546103E-13 2.734516455630082E-13 2.271015685052688E-9 -1.074951361369226E-9 1.633514645083882E-9 -2.357629158887218E-11
i -4.406889772421884E-15 1.28928264750986E-14 -5.660058936595105E-13 2.395671090779494E-11 -2.357629158887218E-11 2.688364472763197E-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 15.9   n/a MPO418210  
rotation period rot_per 6.196 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

226838 (2004 SL19)          Discovered 2004-Sep-18 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ 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
2060-Nov-13 15:34 00:02 Hebe 0.0132591151302895 0.0132578330054011 0.0132603994680978 7.54818037944653 7.54818031733092 2473777.148889358 2.38588997231057 1033.03816352104 61.7443916306094 -89.0691574223198 32113.5640139071 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 02:30:37 2020-Nov-12 02:30
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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