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190838 (2001 SE101)
Classification: Main-belt Asteroid          SPK-ID: 2190838
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09818090457681253 4.9854e-08  
a 2.322417585243076 1.1292e-08 au
q 2.094400525918814 1.159e-07 au
i 1.011531428461431 6.156e-06 deg
node 215.8406014908554 0.00026516 deg
peri 222.1840270101373 0.00026729 deg
M 89.31252878028505 3.0227e-05 deg
tp 2458879.785364395551
(2020-Jan-31.28536440)
0.00010879 TDB
period 1292.73317410634
3.54
9.4281e-06
2.581e-08
d
yr
n .2784797413811758 2.031e-09 deg/d
Q 2.550434644567337 1.24e-08 au
  Orbit Determination Parameters
   # obs. used (total)      385  
   data-arc span      9259 days (25.35 yr)  
   first obs. used      1994-10-09  
   last obs. used      2020-02-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54897  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 06:57:45  

Additional Information
 Earth MOID = 1.1095 au 
 Jupiter MOID = 2.63184 au 
 T_jup = 3.570 
[ 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 16.98   n/a E2021B55  
diameter diameter 1.898 km 0.603 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.071   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

190838 (2001 SE101)          Discovered 2001-Sep-20 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

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