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187223 (2005 SX139)
Classification: Main-belt Asteroid          SPK-ID: 2187223
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01989362717150247 4.7534e-08  
a 2.870219568585906 2.1588e-08 au
q 2.813120490588107 1.3429e-07 au
i 2.664795500633188 4.733e-06 deg
node 145.6289078414131 0.00011491 deg
peri 109.7701679845613 0.00017435 deg
M 160.6135811268644 0.00013193 deg
tp 2458408.088311224404
(2018-Oct-16.58831122)
0.0006489 TDB
period 1776.115107812015
4.86
2.0038e-05
5.486e-08
d
yr
n .2026895657925469 2.2867e-09 deg/d
Q 2.927318646583704 2.2017e-08 au
  Orbit Determination Parameters
   # obs. used (total)      275  
   data-arc span      6472 days (17.72 yr)  
   first obs. used      2003-03-24  
   last obs. used      2020-12-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63606  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:56:25  

Additional Information
 Earth MOID = 1.79764 au 
 Jupiter MOID = 2.05374 au 
 T_jup = 3.296 
[ 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 16.6   n/a MPO449934  

187223 (2005 SX139)          Discovered 2005-Sep-25 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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