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37574 (1990 QE6)
Classification: Main-belt Asteroid          SPK-ID: 2037574
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 .2253090251233809 5.3621e-08  
a 2.663064583916395 1.5133e-08 au
q 2.06305209867359 1.4565e-07 au
i 18.95915478760192 6.782e-06 deg
node 352.5184597734225 1.2077e-05 deg
peri 319.8155649334542 1.6077e-05 deg
M 321.7778314664937 1.0502e-05 deg
tp 2459169.032552199227
(2020-Nov-15.53255220)
4.6687e-05 TDB
period 1587.343709672976
4.35
1.3531e-05
3.705e-08
d
yr
n .2267939815467987 1.9332e-09 deg/d
Q 3.2630770691592 1.8543e-08 au
  Orbit Determination Parameters
   # obs. used (total)      838  
   data-arc span      15202 days (41.62 yr)  
   first obs. used      1977-09-09  
   last obs. used      2019-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58173  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:57:42  

Additional Information
 Earth MOID = 1.08289 au 
 Jupiter MOID = 2.20589 au 
 T_jup = 3.272 
[ 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 14.4   n/a MPO337564  
diameter diameter 7.321 km 0.211 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.033   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

37574 (1990 QE6)          Discovered 1990-Aug-25 by Holt, H. E. at Palomar
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 QE6 = 1977 RK18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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