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15204 (1978 UG)
Classification: Main-belt Asteroid          SPK-ID: 2015204
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2021566237132525 4.7033e-08  
a 2.43463122295104 9.9604e-09 au
q 1.942454394932391 1.1528e-07 au
i 3.270370324646559 5.1444e-06 deg
node 45.93204565233447 5.8834e-05 deg
peri 316.946199531741 5.9545e-05 deg
M .1337482831565396 8.4751e-06 deg
tp 2458999.984493764221
(2020-May-30.48449376)
3.2665e-05 TDB
period 1387.548613714467
3.80
8.5149e-06
2.331e-08
d
yr
n .2594503691198826 1.5922e-09 deg/d
Q 2.926808050969689 1.1974e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1582  
   data-arc span      14832 days (40.61 yr)  
   first obs. used      1978-09-28  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50022  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:18:57  

Additional Information
 Earth MOID = .941704 au 
 Jupiter MOID = 2.53053 au 
 T_jup = 3.475 
[ 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 14.3   n/a MPO435842  
diameter diameter 3.139 km 0.761 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.411   0.219 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15204 (1978 UG)          Discovered 1978-Oct-28 by Giclas, H. L. at Anderson Mesa
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1978 UG = 1992 HX5 = 1996 KU7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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