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227237 (2005 SR22)
Classification: Main-belt Asteroid          SPK-ID: 2227237
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1458421143999227 4.5963e-08  
a 2.358867596127519 1.6466e-08 au
q 2.014845358318819 1.0967e-07 au
i 3.670165453756806 5.5153e-06 deg
node 90.81063004738759 0.00010374 deg
peri 200.5727391786399 0.00010724 deg
M 132.1301044127113 3.2144e-05 deg
tp 2458714.816833832504
(2019-Aug-19.31683383)
0.00011511 TDB
period 1323.286170077966
3.62
1.3856e-05
3.794e-08
d
yr
n .2720499980580839 2.8485e-09 deg/d
Q 2.702889833936219 1.8867e-08 au
  Orbit Determination Parameters
   # obs. used (total)      237  
   data-arc span      7128 days (19.52 yr)  
   first obs. used      2001-06-30  
   last obs. used      2021-01-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63413  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:38:58  

Additional Information
 Earth MOID = .997139 au 
 Jupiter MOID = 2.45766 au 
 T_jup = 3.535 
[ 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 17.0   n/a MPO437076  

227237 (2005 SR22)          Discovered 2005-Sep-23 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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