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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 ]

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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1421653218380057 4.1584e-08  
a 2.757258486017337 2.1521e-08 au
q 2.36527194596211 1.1753e-07 au
i 8.150827522839782 5.1719e-06 deg
node 288.9226781996622 3.2988e-05 deg
peri 142.6023252194904 4.0359e-05 deg
M 149.6006643529632 2.1275e-05 deg
tp 2458505.562622041834
(2019-Jan-22.06262204)
9.7246e-05 TDB
period 1672.301771833572
4.58
1.9579e-05
5.36e-08
d
yr
n .215272151272843 2.5203e-09 deg/d
Q 3.149245026072564 2.458e-08 au
  Orbit Determination Parameters
   # obs. used (total)      450  
   data-arc span      7094 days (19.42 yr)  
   first obs. used      2000-12-21  
   last obs. used      2020-05-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55455  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:37:25  

Additional Information
 Earth MOID = 1.3857 au 
 Jupiter MOID = 2.11759 au 
 T_jup = 3.314 
[ show covariance matrix ]

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 16.00   n/a E2021B55  
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

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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 21 CATAB v2.0f-lin.ifort 2021-Apr-14 00:37:26 2021-Apr-14 00:37
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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