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118844 (2000 ST242)
Classification: Main-belt Asteroid          SPK-ID: 2118844
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09112500565662471 4.162e-08  
a 2.760374092770203 1.4872e-08 au
q 2.508834987952118 1.1475e-07 au
i 5.352993116244184 4.666e-06 deg
node 146.57591158333 4.8333e-05 deg
peri 280.725958973283 5.69e-05 deg
M 84.28081933327969 2.7975e-05 deg
tp 2458808.327994478507
(2019-Nov-20.82799448)
0.00013012 TDB
period 1675.137037164393
4.59
1.3538e-05
3.707e-08
d
yr
n .2149077908332766 1.7368e-09 deg/d
Q 3.011913197588288 1.6227e-08 au
  Orbit Determination Parameters
   # obs. used (total)      639  
   data-arc span      8416 days (23.04 yr)  
   first obs. used      1998-02-26  
   last obs. used      2021-03-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62239  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:59:08  

Additional Information
 Earth MOID = 1.52904 au 
 Jupiter MOID = 2.22674 au 
 T_jup = 3.329 
[ 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 15.49   n/a E2021B55  

118844 (2000 ST242)          Discovered 2000-Sep-24 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2000 ST242 = 2001 XA184 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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