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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 ]

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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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .187440920080322 4.4909e-08  
a 2.248779956289028 1.0838e-08 au
q 1.827266572224027 1.0148e-07 au
i 6.88965181442817 4.8738e-06 deg
node 204.3743181161836 4.6164e-05 deg
peri 354.8157247495569 4.8344e-05 deg
M 302.1738769407991 1.4158e-05 deg
tp 2459398.352000002316
(2021-Jul-02.85200000)
4.8755e-05 TDB
period 1231.739501676668
3.37
8.9048e-06
2.438e-08
d
yr
n .2922695906967026 2.1129e-09 deg/d
Q 2.67029334035403 1.287e-08 au
  Orbit Determination Parameters
   # obs. used (total)      240  
   data-arc span      7324 days (20.05 yr)  
   first obs. used      2001-03-20  
   last obs. used      2021-04-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60725  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 11:24:37  

Additional Information
 Earth MOID = .824208 au 
 Jupiter MOID = 2.28792 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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