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227267 (2005 SQ123)
Classification: Main-belt Asteroid          SPK-ID: 2227267
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1711086080165342 8.3371e-08  
a 2.585434436595952 2.4736e-08 au
q 2.143044349032006 2.1332e-07 au
i 13.8283499991778 9.3599e-06 deg
node 199.7535914679143 3.1098e-05 deg
peri 168.4263573817419 4.494e-05 deg
M 235.4851471574568 3.8079e-05 deg
tp 2459725.691126043031
(2022-May-26.19112604)
0.00016695 TDB
period 1518.443792521527
4.16
2.1791e-05
5.966e-08
d
yr
n .2370848376298369 3.4024e-09 deg/d
Q 3.027824524159898 2.8968e-08 au
  Orbit Determination Parameters
   # obs. used (total)      117  
   data-arc span      6795 days (18.60 yr)  
   first obs. used      2001-09-19  
   last obs. used      2020-04-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .65719  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:39:06  

Additional Information
 Earth MOID = 1.14327 au 
 Jupiter MOID = 2.44659 au 
 T_jup = 3.361 
[ 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 16.98   n/a E2021B55  

227267 (2005 SQ123)          Discovered 2005-Sep-29 by LONEOS at Anderson Mesa
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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