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268109 (2004 SP27)
Classification: Main-belt Asteroid          SPK-ID: 2268109
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09355829972766998 5.3035e-08  
a 2.650795093560409 2.004e-08 au
q 2.402791211680447 1.333e-07 au
i 13.01257392520391 5.5927e-06 deg
node 171.8449283637131 2.1084e-05 deg
peri 350.5855593538222 3.5341e-05 deg
M 60.46096989817084 2.8706e-05 deg
tp 2458735.750424191080
(2019-Sep-09.25042419)
0.00012477 TDB
period 1576.386343979155
4.32
1.7877e-05
4.894e-08
d
yr
n .2283704127322485 2.5898e-09 deg/d
Q 2.89879897544037 2.1915e-08 au
  Orbit Determination Parameters
   # obs. used (total)      244  
   data-arc span      9111 days (24.94 yr)  
   first obs. used      1995-07-05  
   last obs. used      2020-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56952  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:15:11  

Additional Information
 Earth MOID = 1.41094 au 
 Jupiter MOID = 2.07402 au 
 T_jup = 3.348 
[ 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 MPO427486  

268109 (2004 SP27)          Discovered 2004-Sep-16 by Spacewatch at Kitt Peak
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

[ show close-approach data ]
Alternate Designations
 2004 SP27 = 2007 HU61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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