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123264 (2000 US78)
Classification: Main-belt Asteroid          SPK-ID: 2123264
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1192192828309157 3.4757e-08  
a 3.127807653462999 1.9429e-08 au
q 2.754912668184092 1.0517e-07 au
i .8871750452212195 4.3122e-06 deg
node 27.67670641869411 0.00025435 deg
peri 100.8642658199075 0.00025505 deg
M 139.8335186162 1.9636e-05 deg
tp 2458215.685047060708
(2018-Apr-07.18504706)
0.00010799 TDB
period 2020.498274334441
5.53
1.8826e-05
5.154e-08
d
yr
n .1781738715508605 1.6602e-09 deg/d
Q 3.500702638741908 2.1746e-08 au
  Orbit Determination Parameters
   # obs. used (total)      690  
   data-arc span      8061 days (22.07 yr)  
   first obs. used      1997-04-15  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54558  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:00:42  

Additional Information
 Earth MOID = 1.77008 au 
 Jupiter MOID = 1.54751 au 
 T_jup = 3.203 
[ 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 15.0   n/a MPO436596  
diameter diameter 5.760 km 0.864 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

123264 (2000 US78)          Discovered 2000-Oct-24 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 2000 US78 = 1997 HS15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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