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74390 (1998 XK37)
Classification: Main-belt Asteroid          SPK-ID: 2074390
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1724924111067485 4.3681e-08  
a 2.982905105542121 1.7955e-08 au
q 2.46837661178453 1.341e-07 au
i 4.52641801053084 5.7124e-06 deg
node 323.4568570670668 5.2319e-05 deg
peri 80.19675442409967 5.5992e-05 deg
M 84.62298854809494 1.7734e-05 deg
tp 2458558.173008892036
(2019-Mar-15.67300889)
9.1629e-05 TDB
period 1881.731188309016
5.15
1.699e-05
4.652e-08
d
yr
n .191313191935511 1.7274e-09 deg/d
Q 3.497433599299711 2.1052e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1118  
   data-arc span      7818 days (21.40 yr)  
   first obs. used      1998-12-14  
   last obs. used      2020-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49713  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:43:53  

Additional Information
 Earth MOID = 1.48226 au 
 Jupiter MOID = 1.94496 au 
 T_jup = 3.231 
[ 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 14.4   n/a MPO449469  
diameter diameter 8.901 km 0.181 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74390 (1998 XK37)          Discovered 1998-Dec-14 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 XK37 = 2000 DP112 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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