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52288 (1990 QU8)
Classification: Main-belt Asteroid          SPK-ID: 2052288
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2050561096679882 4.9026e-08  
a 3.097062153642092 1.7535e-08 au
q 2.461990637016283 1.5204e-07 au
i 1.654043403874762 5.5964e-06 deg
node 47.79471496026786 0.0001637 deg
peri 350.5066458603607 0.00016409 deg
M 42.80569474912523 1.1312e-05 deg
tp 2458363.786864595533
(2018-Sep-02.28686460)
6.1857e-05 TDB
period 1990.780181119464
5.45
1.6907e-05
4.629e-08
d
yr
n .1808336266425775 1.5358e-09 deg/d
Q 3.7321336702679 2.1131e-08 au
  Orbit Determination Parameters
   # obs. used (total)      919  
   data-arc span      10448 days (28.61 yr)  
   first obs. used      1990-08-16  
   last obs. used      2019-03-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53369  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:05:22  

Additional Information
 Earth MOID = 1.46906 au 
 Jupiter MOID = 1.69272 au 
 T_jup = 3.190 
[ 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 14.5   n/a MPO468400  
diameter diameter 7.861 km 0.139 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.041   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52288 (1990 QU8)          Discovered 1990-Aug-16 by Elst, E. W. at La Silla
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 QU8 = 1996 TN25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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