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226840 (2004 SR23)
Classification: Main-belt Asteroid          SPK-ID: 2226840
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02031409900732928 5.6855e-08  
a 2.884236945883383 2.7152e-08 au
q 2.825646271004111 1.686e-07 au
i 2.207022438922004 5.149e-06 deg
node 35.98274471142094 0.00015488 deg
peri 90.85466603085321 0.00020913 deg
M 328.3254892537271 0.00013965 deg
tp 2459157.917222369555
(2020-Nov-04.41722237)
0.00069443 TDB
period 1789.142080425286
4.90
2.5264e-05
6.917e-08
d
yr
n .2012137571066612 2.8413e-09 deg/d
Q 2.942827620762655 2.7704e-08 au
  Orbit Determination Parameters
   # obs. used (total)      225  
   data-arc span      6555 days (17.95 yr)  
   first obs. used      2002-02-16  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58914  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 05:59:09  

Additional Information
 Earth MOID = 1.84145 au 
 Jupiter MOID = 2.04166 au 
 T_jup = 3.292 
[ 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 16.5   n/a MPO503111  

226840 (2004 SR23)          Discovered 2004-Sep-17 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2004 SR23 = 2005 YM114 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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