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100484 (1996 UL4)
Classification: Main-belt Asteroid          SPK-ID: 2100484
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1379070188082586 5.5517e-08  
a 3.068550579617475 2.6052e-08 au
q 2.645375917120075 1.7253e-07 au
i 11.93325864829953 5.7298e-06 deg
node 33.82597929068169 2.6974e-05 deg
peri 309.7104751705721 3.3875e-05 deg
M 170.6258183475441 2.4594e-05 deg
tp 2458069.948094399207
(2017-Nov-12.44809440)
0.00012845 TDB
period 1963.352845780547
5.38
2.5003e-05
6.845e-08
d
yr
n .1833598075728864 2.3351e-09 deg/d
Q 3.491725242114875 2.9645e-08 au
  Orbit Determination Parameters
   # obs. used (total)      716  
   data-arc span      8583 days (23.50 yr)  
   first obs. used      1996-10-29  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56297  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:53:16  

Additional Information
 Earth MOID = 1.65806 au 
 Jupiter MOID = 2.02459 au 
 T_jup = 3.184 
[ 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 14.5   n/a MPO320184  
diameter diameter 4.719 km 1.373 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.151   0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100484 (1996 UL4)          Discovered 1996-Oct-29 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1996 UL4 = 2001 QU249 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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