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190891 (2001 UU1)
Classification: Main-belt Asteroid          SPK-ID: 2190891
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2258166865531509 3.8998e-08  
a 2.339282799117137 1.0414e-08 au
q 1.811033708509725 8.8639e-08 au
i 13.67439766119264 6.1932e-06 deg
node 57.43913216009675 1.633e-05 deg
peri 262.6270258523639 2.1998e-05 deg
M 176.6624319254592 1.5974e-05 deg
tp 2458559.195596676323
(2019-Mar-16.69559668)
5.6323e-05 TDB
period 1306.840298077276
3.58
8.7267e-06
2.389e-08
d
yr
n .2754735988243244 1.8395e-09 deg/d
Q 2.867531889724548 1.2766e-08 au
  Orbit Determination Parameters
   # obs. used (total)      698  
   data-arc span      7595 days (20.79 yr)  
   first obs. used      2000-04-03  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56782  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 12:03:34  

Additional Information
 Earth MOID = .856733 au 
 Jupiter MOID = 2.55838 au 
 T_jup = 3.494 
[ 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 15.9   n/a MPO449947  
diameter diameter 3.086 km 0.338 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.081   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

190891 (2001 UU1)          Discovered 2001-Oct-16 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

[ show close-approach data ]
Alternate Designations
 2001 UU1 = 2004 JT6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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