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37575 (1990 QD7)
Classification: Main-belt Asteroid          SPK-ID: 2037575
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1608865674166979 4.8893e-08  
a 2.736123324165624 1.7399e-08 au
q 2.295917834511851 1.3634e-07 au
i 5.225603100711677 5.7745e-06 deg
node 154.2538270951915 4.7436e-05 deg
peri 172.7612026097803 4.9435e-05 deg
M 217.0037204193235 1.4497e-05 deg
tp 2459657.135210183853
(2022-Mar-18.63521018)
6.8494e-05 TDB
period 1653.110670846647
4.53
1.5768e-05
4.317e-08
d
yr
n .2177712638051175 2.0772e-09 deg/d
Q 3.176328813819396 2.0198e-08 au
  Orbit Determination Parameters
   # obs. used (total)      649  
   data-arc span      10763 days (29.47 yr)  
   first obs. used      1990-08-16  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56374  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 04:34:20  

Additional Information
 Earth MOID = 1.28453 au 
 Jupiter MOID = 2.16897 au 
 T_jup = 3.327 
[ 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 15.4   n/a MPO337564  
diameter diameter 5.028 km 0.142 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.040   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

37575 (1990 QD7)          Discovered 1990-Aug-20 by Elst, E. W. at La Silla
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 QD7 = 1998 HO73 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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