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259454 (2003 ST77)
Classification: Main-belt Asteroid          SPK-ID: 2259454
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2024711356973921 5.3131e-08  
a 2.250161702959256 6.4325e-09 au
q 1.794568907458318 1.1765e-07 au
i 4.996939355034859 3.4137e-06 deg
node 274.1640009046507 6.803e-05 deg
peri 71.26050533149018 6.9013e-05 deg
M 349.3486311427083 1.0473e-05 deg
tp 2459036.977237762564
(2020-Jul-06.47723776)
3.5923e-05 TDB
period 1232.874926262032
3.38
5.2866e-06
1.447e-08
d
yr
n .2920004230205964 1.2521e-09 deg/d
Q 2.705754498460194 7.7349e-09 au
  Orbit Determination Parameters
   # obs. used (total)      363  
   data-arc span      6321 days (17.31 yr)  
   first obs. used      2003-07-29  
   last obs. used      2020-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44968  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 00:16:44  

Additional Information
 Earth MOID = .794704 au 
 Jupiter MOID = 2.72294 au 
 T_jup = 3.596 
[ 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 17.0   n/a MPO470763  

259454 (2003 ST77)          Discovered 2003-Sep-19 by Spacewatch at Kitt Peak
Reference: 20110119/Numbers.arcLast Updated: 2011-01-25

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