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308523 (2005 UM75)
Classification: Main-belt Asteroid          SPK-ID: 2308523
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1112505262129116 1.4553e-07  
a 3.150506989607273 4.5539e-08 au
q 2.800011429176008 4.6523e-07 au
i 15.14343493539308 1.0567e-05 deg
node 293.641588054413 3.3704e-05 deg
peri 68.94607223767822 5.9697e-05 deg
M 240.8786870215949 4.7346e-05 deg
tp 2459676.358949492699
(2022-Apr-06.85894949)
0.00027541 TDB
period 2042.533076020409
5.59
4.4286e-05
1.212e-07
d
yr
n .1762517357620518 3.8215e-09 deg/d
Q 3.501002550038538 5.0606e-08 au
  Orbit Determination Parameters
   # obs. used (total)      248  
   data-arc span      4965 days (13.59 yr)  
   first obs. used      2005-09-03  
   last obs. used      2019-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64141  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 05:21:35  

Additional Information
 Earth MOID = 1.83791 au 
 Jupiter MOID = 1.99402 au 
 T_jup = 3.144 
[ 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 15.0   n/a MPO258202  
diameter diameter 3.569 km 0.589 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.139   0.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

308523 (2005 UM75)          Discovered 2005-Oct-24 by NEAT at Palomar
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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