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JPL Small-Body Database Browser
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109984 (2001 SB57)
Classification: Main-belt Asteroid          SPK-ID: 2109984
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2302717282232332 5.457e-08  
a 2.63816244946336 1.5131e-08 au
q 2.030668222891794 1.4576e-07 au
i 13.54762969826947 1.1282e-05 deg
node 35.20371370614695 1.8375e-05 deg
peri 61.27550402808041 2.8914e-05 deg
M 346.5766668181662 2.1223e-05 deg
tp 2458658.859101627832
(2019-Jun-24.35910163)
9.2438e-05 TDB
period 1565.13112663047
4.29
1.3465e-05
3.687e-08
d
yr
n .2300126768132422 1.9788e-09 deg/d
Q 3.245656676034926 1.8615e-08 au
  Orbit Determination Parameters
   # obs. used (total)      490  
   data-arc span      12480 days (34.17 yr)  
   first obs. used      1984-11-20  
   last obs. used      2019-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60883  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:03:38  

Additional Information
 Earth MOID = 1.08415 au 
 Jupiter MOID = 2.14654 au 
 T_jup = 3.320 
[ 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 15.5   n/a MPO453561  

109984 (2001 SB57)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 SB57 = 1984 WH2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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