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227239 (2005 SG30)
Classification: Main-belt Asteroid          SPK-ID: 2227239
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1805335995547842 3.4265e-08  
a 2.386863178776277 1.2095e-08 au
q 1.955954177467021 8.3241e-08 au
i 2.540645722635915 3.9098e-06 deg
node 124.5359280141738 0.00015125 deg
peri 187.2650922150627 0.00015245 deg
M 92.07968358257519 2.0505e-05 deg
tp 2458855.990635398380
(2020-Jan-07.49063540)
7.545e-05 TDB
period 1346.913525667815
3.69
1.0237e-05
2.803e-08
d
yr
n .2672777376866181 2.0315e-09 deg/d
Q 2.817772180085533 1.4278e-08 au
  Orbit Determination Parameters
   # obs. used (total)      283  
   data-arc span      7060 days (19.33 yr)  
   first obs. used      2001-08-16  
   last obs. used      2020-12-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62481  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:39:01  

Additional Information
 Earth MOID = .939732 au 
 Jupiter MOID = 2.44824 au 
 T_jup = 3.511 
[ 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 17.2   n/a MPO433487  

227239 (2005 SG30)          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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