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56338 (1999 XS162)
Classification: Inner Main-belt Asteroid          SPK-ID: 2056338
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06307994438814325 3.9372e-08  
a 1.826542301562566 4.0533e-09 au
q 1.711324114757408 7.2194e-08 au
i 18.53710827811025 3.8919e-06 deg
node 9.004920603039348 1.2869e-05 deg
peri 78.0454634419257 3.6291e-05 deg
M 71.90645029149255 3.2307e-05 deg
tp 2458820.402212258216
(2019-Dec-02.90221226)
8.1077e-05 TDB
period 901.6604675132066
2.47
3.0013e-06
8.217e-09
d
yr
n .3992633734879 1.329e-09 deg/d
Q 1.941760488367724 4.309e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1231  
   data-arc span      16085 days (44.04 yr)  
   first obs. used      1976-05-29  
   last obs. used      2020-06-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46467  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:59:47  

Additional Information
 Earth MOID = .779114 au 
 Jupiter MOID = 3.1451 au 
 T_jup = 3.970 
[ 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 15.5   n/a MPO385179  
diameter diameter 2.022 km 0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.307   0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56338 (1999 XS162)          Discovered 1999-Dec-08 by CSS at Catalina
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XS162 = 1994 TA11 = 1998 FE5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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