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80293 (1999 XS56)
Classification: Main-belt Asteroid          SPK-ID: 2080293
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0806661417014682 3.0069e-08  
a 2.217998238151011 6.8333e-09 au
q 2.039080877978715 6.5989e-08 au
i .6208289727658534 3.9895e-06 deg
node 138.1784042758173 0.00032169 deg
peri 301.7341102595529 0.00032294 deg
M 63.86022954351544 2.726e-05 deg
tp 2458786.473181078913
(2019-Oct-29.97318108)
9.1323e-05 TDB
period 1206.535826168434
3.30
5.5757e-06
1.527e-08
d
yr
n .2983748946297294 1.3789e-09 deg/d
Q 2.396915598323307 7.3845e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1148  
   data-arc span      8527 days (23.35 yr)  
   first obs. used      1997-01-15  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50494  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:20:08  

Additional Information
 Earth MOID = 1.05479 au 
 Jupiter MOID = 2.74736 au 
 T_jup = 3.647 
[ 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 15.7   n/a MPO449503  
diameter diameter 1.770 km 0.307 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.270   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

80293 (1999 XS56)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1999 XS56 = 1997 CL24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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