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48445 (1990 QX7)
Classification: Outer Main-belt Asteroid          SPK-ID: 2048445
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1660093280229521 5.0209e-08  
a 3.209260610833611 2.0794e-08 au
q 2.676493413378594 1.6721e-07 au
i 1.774466615591373 5.6901e-06 deg
node 324.8726178110627 0.00013873 deg
peri 50.56653432428279 0.00013937 deg
M 323.0390324038631 1.3121e-05 deg
tp 2458816.098997353230
(2019-Nov-28.59899735)
7.6842e-05 TDB
period 2099.935258601703
5.75
2.0409e-05
5.588e-08
d
yr
n .1714338566036153 1.6662e-09 deg/d
Q 3.742027808288627 2.4246e-08 au
  Orbit Determination Parameters
   # obs. used (total)      954  
   data-arc span      14591 days (39.95 yr)  
   first obs. used      1979-11-16  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51123  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:37:07  

Additional Information
 Earth MOID = 1.67731 au 
 Jupiter MOID = 1.73035 au 
 T_jup = 3.170 
[ 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 MPO333240  
diameter diameter 7.864 km 0.761 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.065   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48445 (1990 QX7)          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 QX7 = 1979 WS1 = 1993 FQ84 = 1996 SS8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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