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78987 (2003 UD66)
Classification: Main-belt Asteroid          SPK-ID: 2078987
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 .08937791937789076 3.7631e-08  
a 3.0818911551978 2.4957e-08 au
q 2.806438135997096 1.246e-07 au
i 14.63679924363511 3.9653e-06 deg
node 90.70984420628541 1.9302e-05 deg
peri 344.0576881896142 3.6149e-05 deg
M 344.58858716353 2.9924e-05 deg
tp 2459085.098823829545
(2020-Aug-23.59882383)
0.00016451 TDB
period 1976.170316232478
5.41
2.4005e-05
6.572e-08
d
yr
n .18217053309774 2.2128e-09 deg/d
Q 3.357344174398503 2.7188e-08 au
  Orbit Determination Parameters
   # obs. used (total)      834  
   data-arc span      7574 days (20.74 yr)  
   first obs. used      2000-02-03  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56151  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:24:48  

Additional Information
 Earth MOID = 1.82472 au 
 Jupiter MOID = 1.88762 au 
 T_jup = 3.172 
[ 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 MPO502632  
diameter diameter 6.543 km 0.111 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.086   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78987 (2003 UD66)          Discovered 2003-Oct-16 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2003 UD66 = 2000 EY7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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