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101386 (1998 UW26)
Classification: Main-belt Asteroid          SPK-ID: 2101386
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2096160801689177 3.9146e-08  
a 2.5880271879619 1.1798e-08 au
q 2.04553507345074 1.0165e-07 au
i 4.958156494640521 5.2626e-06 deg
node 113.9137027256743 5.2306e-05 deg
peri 228.9200361606971 5.4087e-05 deg
M 105.8819386842411 1.5934e-05 deg
tp 2458553.228668545302
(2019-Mar-10.72866855)
6.5523e-05 TDB
period 1520.728476684533
4.16
1.0399e-05
2.847e-08
d
yr
n .236728650458934 1.6187e-09 deg/d
Q 3.13051930247306 1.4271e-08 au
  Orbit Determination Parameters
   # obs. used (total)      690  
   data-arc span      7793 days (21.34 yr)  
   first obs. used      1998-10-14  
   last obs. used      2020-02-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54804  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:00:54  

Additional Information
 Earth MOID = 1.04143 au 
 Jupiter MOID = 2.28065 au 
 T_jup = 3.385 
[ 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 15.4   n/a MPO366387  
diameter diameter 2.118 km 0.283 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.327   0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101386 (1998 UW26)          Discovered 1998-Oct-18 by Elst, E. W. at La Silla
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 UW26 = 2002 PR60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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