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109881 (2001 SE1)
Classification: Main-belt Asteroid          SPK-ID: 2109881
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08761390266508673 4.4879e-08  
a 3.088036410287018 1.9223e-08 au
q 2.817481488809888 1.4033e-07 au
i 8.491118735472501 5.0333e-06 deg
node 195.0185197962306 2.6759e-05 deg
peri 171.5550326632802 3.5014e-05 deg
M 158.3932212032813 2.32e-05 deg
tp 2458128.420383466815
(2018-Jan-09.92038347)
0.00012524 TDB
period 1982.083952627151
5.43
1.8507e-05
5.067e-08
d
yr
n .1816270191395468 1.6959e-09 deg/d
Q 3.358591331764149 2.0907e-08 au
  Orbit Determination Parameters
   # obs. used (total)      795  
   data-arc span      9444 days (25.86 yr)  
   first obs. used      1994-06-10  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54731  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:09:52  

Additional Information
 Earth MOID = 1.8166 au 
 Jupiter MOID = 2.10986 au 
 T_jup = 3.203 
[ 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 14.7   n/a MPO385477  
diameter diameter 5.002 km 1.184 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.085   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109881 (2001 SE1)          Discovered 2001-Sep-17 by Yeung, W. K. Y. at Desert Eagle
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 SE1 = 1999 EA15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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