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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2097157841277651 3.9122e-08  
a 2.588041858007394 1.1792e-08 au
q 2.045288630399895 1.0162e-07 au
i 4.958122168467862 5.0428e-06 deg
node 113.9133270615309 4.9409e-05 deg
peri 228.9425297601399 5.1095e-05 deg
M 153.1885792692422 1.5761e-05 deg
tp 2458553.388290108826
(2019-Mar-10.88829011)
6.3826e-05 TDB
period 1520.741406912423
4.16
1.0394e-05
2.846e-08
d
yr
n .2367266376542687 1.6179e-09 deg/d
Q 3.130795085614892 1.4265e-08 au
  Orbit Determination Parameters
   # obs. used (total)      723  
   data-arc span      8179 days (22.39 yr)  
   first obs. used      1998-10-14  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54775  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:36:32  

Additional Information
 Earth MOID = 1.03936 au 
 Jupiter MOID = 2.2809 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 15.35   n/a E2021B55  
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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