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JPL Small-Body Database Browser
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461256 (2015 XR9)
Classification: Main-belt Asteroid          SPK-ID: 2461256
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02673667840265887 5.3187e-08  
a 3.134627387212547 5.851e-08 au
q 3.050817862848478 1.788e-07 au
i 12.73567250401717 6.188e-06 deg
node 106.5281071212273 2.596e-05 deg
peri 90.4721345556123 0.00011736 deg
M 163.499951871414 0.00011448 deg
tp 2458079.854487097986
(2017-Nov-22.35448710)
0.00064262 TDB
period 2027.109982915365
5.55
5.6756e-05
1.554e-07
d
yr
n .1775927320343282 4.9724e-09 deg/d
Q 3.218436911576616 6.0075e-08 au
  Orbit Determination Parameters
   # obs. used (total)      285  
   data-arc span      4907 days (13.43 yr)  
   first obs. used      2006-02-22  
   last obs. used      2019-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5075  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:01:01  

Additional Information
 Earth MOID = 2.0789 au 
 Jupiter MOID = 1.89981 au 
 T_jup = 3.174 
[ 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 15.2   n/a MPO450483  

461256 (2015 XR9)          Discovered 2010-Nov-07 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2016-02-25

[ show close-approach data ]
Alternate Designations
 2015 XR9 = 2011 AW24 = 2014 RS40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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