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152326 (2005 UJ18)
Classification: Main-belt Asteroid          SPK-ID: 2152326
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 .1275386612802221 5.2642e-08  
a 2.238471391410302 9.7386e-09 au
q 1.952979746835756 1.1902e-07 au
i 5.325836590835385 5.9744e-06 deg
node 3.579580797418805 4.1935e-05 deg
peri 191.85530054209 4.5247e-05 deg
M 25.9166329036213 1.7164e-05 deg
tp 2459112.435306941814
(2020-Sep-19.93530694)
5.8132e-05 TDB
period 1223.279645116131
3.35
7.9829e-06
2.186e-08
d
yr
n .2942908446464208 1.9205e-09 deg/d
Q 2.523963035984847 1.0981e-08 au
  Orbit Determination Parameters
   # obs. used (total)      546  
   data-arc span      8909 days (24.39 yr)  
   first obs. used      1995-10-17  
   last obs. used      2020-03-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61754  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:26:39  

Additional Information
 Earth MOID = .951565 au 
 Jupiter MOID = 2.43369 au 
 T_jup = 3.620 
[ 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 16.61   n/a E2021B55  
diameter diameter 2.729 km 0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.072   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

152326 (2005 UJ18)          Discovered 2005-Oct-22 by CSS at Catalina
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

[ show close-approach data ]
Alternate Designations
 2005 UJ18 = 1997 EK58 = 2002 XY109 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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