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181214 (2005 SW197)
Classification: Main-belt Asteroid          SPK-ID: 2181214
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01356738118750185 4.1238e-08  
a 2.970000941424241 2.4589e-08 au
q 2.929705806524698 1.249e-07 au
i 10.14279068532595 5.6472e-06 deg
node 345.6635220146904 2.5245e-05 deg
peri 279.8317238586259 0.00023183 deg
M 73.42167164354117 0.00022759 deg
tp 2458819.210298981198
(2019-Dec-01.71029898)
0.0011829 TDB
period 1869.533739754395
5.12
2.3217e-05
6.356e-08
d
yr
n .1925613816669037 2.3914e-09 deg/d
Q 3.010296076323783 2.4923e-08 au
  Orbit Determination Parameters
   # obs. used (total)      340  
   data-arc span      10072 days (27.58 yr)  
   first obs. used      1993-03-22  
   last obs. used      2020-10-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49393  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:29:41  

Additional Information
 Earth MOID = 1.93133 au 
 Jupiter MOID = 2.00291 au 
 T_jup = 3.239 
[ 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 15.69   n/a E2021B55  

181214 (2005 SW197)          Discovered 2005-Sep-30 by Mt. Lemmon Survey at Mount Lemmon
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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