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48444 (1990 QQ7)
Classification: Main-belt Asteroid          SPK-ID: 2048444
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09056977610913364 4.3096e-08  
a 3.175688326586612 2.2378e-08 au
q 2.888066945855273 1.4044e-07 au
i 10.3684065664934 5.3042e-06 deg
node 334.4708189957876 2.7017e-05 deg
peri 93.58285855180597 4.4129e-05 deg
M 8.057768293867339 3.2404e-05 deg
tp 2458954.233408068652
(2020-Apr-14.73340807)
0.00018608 TDB
period 2067.070246728497
5.66
2.1849e-05
5.982e-08
d
yr
n .1741595383948676 1.8408e-09 deg/d
Q 3.463309707317951 2.4404e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1071  
   data-arc span      11031 days (30.20 yr)  
   first obs. used      1990-08-16  
   last obs. used      2020-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51435  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:37:22  

Additional Information
 Earth MOID = 1.92637 au 
 Jupiter MOID = 1.80602 au 
 T_jup = 3.169 
[ 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 13.9   n/a MPO502479  
diameter diameter 9.555 km 0.396 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.084   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48444 (1990 QQ7)          Discovered 1990-Aug-16 by Elst, E. W. at La Silla
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 QQ7 = 2001 OT76 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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