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213856 (2003 SA104)
Classification: Main-belt Asteroid          SPK-ID: 2213856
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1982218616828036 4.2162e-08  
a 2.440335374794469 1.5264e-08 au
q 1.956607553672307 1.0011e-07 au
i 5.318510037638167 5.3585e-06 deg
node 16.77669449846562 6.8808e-05 deg
peri 38.12088944611405 7.191e-05 deg
M 157.1028504672245 2.4062e-05 deg
tp 2458592.848933892209
(2019-Apr-19.34893389)
8.9116e-05 TDB
period 1392.427846778263
3.81
1.3064e-05
3.577e-08
d
yr
n .2585412241165327 2.4257e-09 deg/d
Q 2.924063195916631 1.8289e-08 au
  Orbit Determination Parameters
   # obs. used (total)      373  
   data-arc span      8498 days (23.27 yr)  
   first obs. used      1997-01-11  
   last obs. used      2020-04-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57984  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:44:23  

Additional Information
 Earth MOID = .970211 au 
 Jupiter MOID = 2.45754 au 
 T_jup = 3.469 
[ 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 16.66   n/a E2021B55  

213856 (2003 SA104)          Discovered 2003-Sep-20 by LINEAR at Socorro
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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