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215644 (2003 UR27)
Classification: Main-belt Asteroid          SPK-ID: 2215644
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1724391564595891 5.2271e-08  
a 2.289190952532365 9.8673e-09 au
q 1.894444795702761 1.1752e-07 au
i 3.580381953208922 5.0442e-06 deg
node 61.33501689002642 6.9954e-05 deg
peri 333.20217450441 7.1671e-05 deg
M 163.0826992659536 1.335e-05 deg
tp 2458027.404697913714
(2017-Sep-30.90469791)
4.6358e-05 TDB
period 1265.090102627058
3.46
8.1795e-06
2.239e-08
d
yr
n .2845647114402619 1.8399e-09 deg/d
Q 2.683937109361969 1.1569e-08 au
  Orbit Determination Parameters
   # obs. used (total)      450  
   data-arc span      8219 days (22.50 yr)  
   first obs. used      1996-10-07  
   last obs. used      2019-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59348  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:23:03  

Additional Information
 Earth MOID = .90132 au 
 Jupiter MOID = 2.73746 au 
 T_jup = 3.577 
[ 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 17.2   n/a MPO334269  
diameter diameter 1.764 km 0.547 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.090   0.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

215644 (2003 UR27)          Discovered 2003-Oct-22 by Tucker, R. A. at Goodricke-Pigott
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

Alternate Designations
 2003 UR27 = 1996 TT66 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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