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37993 (1998 KM8)
Classification: Main-belt Asteroid          SPK-ID: 2037993
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2058272571864613 3.116e-08  
a 2.846034176278794 1.5435e-08 au
q 2.2602427679164 8.8215e-08 au
i 8.906209038015637 5.1576e-06 deg
node 194.9614347940648 2.3426e-05 deg
peri 93.49917695652174 2.674e-05 deg
M 180.8281273027504 1.3041e-05 deg
tp 2459873.322484566927
(2022-Oct-20.82248457)
6.6225e-05 TDB
period 1753.713290562248
4.80
1.4266e-05
3.906e-08
d
yr
n .2052787088615736 1.6699e-09 deg/d
Q 3.431825584641188 1.8612e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1342  
   data-arc span      14857 days (40.68 yr)  
   first obs. used      1979-05-19  
   last obs. used      2020-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52182  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 04:42:17  

Additional Information
 Earth MOID = 1.26588 au 
 Jupiter MOID = 1.84877 au 
 T_jup = 3.258 
[ 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 14.0   n/a MPO333155  
diameter diameter 6.635 km 0.846 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.121   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

37993 (1998 KM8)          Discovered 1998-May-23 by LONEOS at Anderson Mesa
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 KM8 = 1979 KK 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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