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56046 (1998 XC26)
Classification: Main-belt Asteroid          SPK-ID: 2056046
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1188315010974978 3.7383e-08  
a 2.474644503344535 1.1567e-08 au
q 2.180578782329432 9.3879e-08 au
i 11.99400808822464 4.9218e-06 deg
node 340.8921879656608 1.703e-05 deg
peri 138.8752875371018 2.8427e-05 deg
M 193.02184583936 2.6555e-05 deg
tp 2459660.015201598405
(2022-Mar-21.51520160)
0.00010779 TDB
period 1421.895419606881
3.89
9.9693e-06
2.729e-08
d
yr
n .2531831772125203 1.7751e-09 deg/d
Q 2.768710224359638 1.2941e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1389  
   data-arc span      9391 days (25.71 yr)  
   first obs. used      1995-02-03  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47561  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:01:10  

Additional Information
 Earth MOID = 1.2093 au 
 Jupiter MOID = 2.29664 au 
 T_jup = 3.442 
[ 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 14.2   n/a MPO337703  
diameter diameter 5.070 km 0.114 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.153   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56046 (1998 XC26)          Discovered 1998-Dec-15 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 XC26 = 2001 QR117 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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