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49167 (1998 SP57)
Classification: Main-belt Asteroid          SPK-ID: 2049167
[ 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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .133517976876844 3.8774e-08  
a 2.383971228409428 9.3317e-09 au
q 2.065668213059596 8.9645e-08 au
i 3.69168358879994 3.6877e-06 deg
node 47.62473483485167 6.8759e-05 deg
peri 247.29648950609 7.1103e-05 deg
M 13.14579501965247 1.6888e-05 deg
tp 2458951.405335472254
(2020-Apr-11.90533547)		 6.3103e-05 TDB
period 1344.46636384992
3.68		 7.894e-06
2.161e-08		 d
yr
n .2677642294963253 1.5722e-09 deg/d
Q 2.702274243759259 1.0578e-08 au
   Orbit Determination Parameters
   # obs. used (total)      919  
   data-arc span      8099 days (22.17 yr)  
   first obs. used      1998-09-14  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52576  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:27:34  

Additional Information
 Earth MOID = 1.0531 au 
 Jupiter MOID = 2.471 au 
 T_jup = 3.521 
[ 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 15.8   n/a MPO436127  

49167 (1998 SP57)          Discovered 1998-Sep-17 by LONEOS at Anderson Mesa
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SP57 = 2001 HU37 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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