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34874 (2001 UU9)
Classification: Main-belt Asteroid          SPK-ID: 2034874
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08482489370547343 3.6242e-08  
a 2.8434803761538 1.7108e-08 au
q 2.602282455492954 1.043e-07 au
i 1.453467876735603 5.8173e-06 deg
node 5.072424530828196 0.00015095 deg
peri 283.5387180089301 0.00015484 deg
M 55.83534115198728 3.455e-05 deg
tp 2458728.868299048935
(2019-Sep-02.36829905)
0.00016792 TDB
period 1751.353360163055
4.79
1.5805e-05
4.327e-08
d
yr
n .2055553197822302 1.8551e-09 deg/d
Q 3.084678296814645 1.8559e-08 au
  Orbit Determination Parameters
   # obs. used (total)      831  
   data-arc span      10201 days (27.93 yr)  
   first obs. used      1991-09-15  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56064  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:55:01  

Additional Information
 Earth MOID = 1.58645 au 
 Jupiter MOID = 2.04015 au 
 T_jup = 3.303 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8   n/a MPO436008  
diameter diameter 2.726 km 0.334 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.217   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

34874 (2001 UU9)          Discovered 2001-Oct-17 by LINEAR at Socorro
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 UU9 = 1996 TX22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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