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JPL Small-Body Database Browser
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277522 (2005 XD18)
Classification: Main-belt Asteroid          SPK-ID: 2277522
[ 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 .1803015750809425 5.497e-08  
a 2.457656872207149 2.4842e-08 au
q 2.014537467139697 1.4264e-07 au
i 3.40521230249577 5.6997e-06 deg
node 114.456692304044 9.5017e-05 deg
peri 261.543882240084 9.6335e-05 deg
M 227.6341381844264 2.0021e-05 deg
tp 2459117.932603652412
(2020-Sep-25.43260365)		 8.2725e-05 TDB
period 1407.279299661177
3.85		 2.1337e-05
5.842e-08		 d
yr
n .2558127587655666 3.8786e-09 deg/d
Q 2.9007762772746 2.9321e-08 au
   Orbit Determination Parameters
   # obs. used (total)      194  
   data-arc span      6456 days (17.68 yr)  
   first obs. used      2001-11-20  
   last obs. used      2019-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61257  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:47:01  

Additional Information
 Earth MOID = 1.01838 au 
 Jupiter MOID = 2.56243 au 
 T_jup = 3.467 
[ 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 17.0   n/a MPO437263  

277522 (2005 XD18)          Discovered 2005-Dec-01 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

Alternate Designations
 2005 XD18 = 2001 WA104 = 2010 CT172 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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