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59146 (1998 XC74)
Classification: Main-belt Asteroid          SPK-ID: 2059146
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 .1774886167859493 3.3668e-08  
a 2.317575488547254 6.8751e-09 au
q 1.906232220787982 7.9624e-08 au
i 3.954578881298455 4.4202e-06 deg
node 43.65627413471149 4.5984e-05 deg
peri 55.3670713201917 4.7933e-05 deg
M 26.33249215829192 1.1434e-05 deg
tp 2458906.237550073488
(2020-Feb-26.73755007)
4.0928e-05 TDB
period 1288.692379344672
3.53
5.7344e-06
1.57e-08
d
yr
n .2793529361778858 1.2431e-09 deg/d
Q 2.728918756306527 8.0954e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1280  
   data-arc span      8696 days (23.81 yr)  
   first obs. used      1996-04-12  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47035  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:43:13  

Additional Information
 Earth MOID = .926324 au 
 Jupiter MOID = 2.43634 au 
 T_jup = 3.556 
[ 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 15.1   n/a MPO410474  
diameter diameter 2.482 km 0.737 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.314   0.147 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59146 (1998 XC74)          Discovered 1998-Dec-14 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 XC74 = 1996 GL7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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