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JPL Small-Body Database Browser
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109970 (2001 SW51)
Classification: Main-belt Asteroid          SPK-ID: 2109970
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2834620233068847 3.0173e-08  
a 2.763445477367843 9.9287e-09 au
q 1.980113631054895 8.269e-08 au
i 8.810736950386998 3.8124e-06 deg
node 164.1368003196592 2.6754e-05 deg
peri 134.0923901037389 2.8346e-05 deg
M 341.4273028561719 6.9269e-06 deg
tp 2458687.065980733335
(2019-Jul-22.56598073)
3.2317e-05 TDB
period 1677.933626046155
4.59
9.0429e-06
2.476e-08
d
yr
n .2145496069759898 1.1563e-09 deg/d
Q 3.546777323680792 1.2743e-08 au
  Orbit Determination Parameters
   # obs. used (total)      976  
   data-arc span      7182 days (19.66 yr)  
   first obs. used      2000-03-03  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48576  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 12:55:06  

Additional Information
 Earth MOID = .975799 au 
 Jupiter MOID = 1.77844 au 
 T_jup = 3.264 
[ 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 15.3   n/a MPO436527  
diameter diameter 4.524 km 0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109970 (2001 SW51)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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