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270027 (2001 JS)
Classification: Main-belt Asteroid          SPK-ID: 2270027
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1873339085754481 4.478e-08  
a 2.248527077401941 1.0836e-08 au
q 1.827301711454506 1.0121e-07 au
i 6.890088914797464 4.8678e-06 deg
node 204.3697587575533 4.5967e-05 deg
peri 354.8223635915229 4.8163e-05 deg
M 359.4553162870767 1.4225e-05 deg
tp 2459398.363320225624
(2021-Jul-02.86332023)
4.8666e-05 TDB
period 1231.531740915083
3.37
8.9026e-06
2.437e-08
d
yr
n .2923188968986736 2.1131e-09 deg/d
Q 2.669752443349375 1.2866e-08 au
  Orbit Determination Parameters
   # obs. used (total)      244  
   data-arc span      7354 days (20.13 yr)  
   first obs. used      2001-03-20  
   last obs. used      2021-05-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60891  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 04:49:37  

Additional Information
 Earth MOID = .825737 au 
 Jupiter MOID = 2.28744 au 
 T_jup = 3.596 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.71   n/a MPCxxxxx  

270027 (2001 JS)          Discovered 2001-May-10 by Sarounova, L. at Ondrejov
Reference: 20110418/Numbers.arcLast Updated: 2011-04-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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