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181197 (2005 SJ140)
Classification: Main-belt Asteroid          SPK-ID: 2181197
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 .06589727324174217 4.0622e-08  
a 2.771462837441589 1.8646e-08 au
q 2.588830993563366 1.1137e-07 au
i 3.545499200033787 5.6713e-06 deg
node 47.61847808310127 7.9205e-05 deg
peri 250.8896577480442 9.4193e-05 deg
M 174.0532263250456 5.3252e-05 deg
tp 2458385.717686232432
(2018-Sep-24.21768623)
0.00024662 TDB
period 1685.240998684759
4.61
1.7007e-05
4.656e-08
d
yr
n .2136192985341329 2.1558e-09 deg/d
Q 2.954094681319811 1.9875e-08 au
  Orbit Determination Parameters
   # obs. used (total)      315  
   data-arc span      7976 days (21.84 yr)  
   first obs. used      1999-04-14  
   last obs. used      2021-02-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55308  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:29:36  

Additional Information
 Earth MOID = 1.57385 au 
 Jupiter MOID = 2.17096 au 
 T_jup = 3.331 
[ 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 16.59   n/a MPCxxxxx  

181197 (2005 SJ140)          Discovered 2005-Sep-25 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

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