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461311 (2015 XD172)
Classification: Main-belt Asteroid          SPK-ID: 2461311
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08878586483902506 5.1937e-08  
a 2.743607044229354 3.9248e-08 au
q 2.50001352002901 1.5579e-07 au
i 14.36987134456073 5.464e-06 deg
node 244.6824232457013 2.6933e-05 deg
peri 172.5405535461182 5.1629e-05 deg
M 10.73293999433854 4.009e-05 deg
tp 2458951.012274776518
(2020-Apr-11.51227478)
0.00018504 TDB
period 1659.897576046362
4.54
3.5618e-05
9.752e-08
d
yr
n .2168808516833119 4.6538e-09 deg/d
Q 2.987200568429698 4.2733e-08 au
  Orbit Determination Parameters
   # obs. used (total)      183  
   data-arc span      5681 days (15.55 yr)  
   first obs. used      2004-06-17  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50294  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 12:18:51  

Additional Information
 Earth MOID = 1.51316 au 
 Jupiter MOID = 2.3403 au 
 T_jup = 3.298 
[ 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 16.2   n/a MPO495306  

461311 (2015 XD172)          Discovered 2010-Jul-13 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-02-25

Alternate Designations
 2015 XD172 = 2014 NA41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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