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78844 (2003 QO51)
Classification: Main-belt Asteroid          SPK-ID: 2078844
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09899966010129531 4.0939e-08  
a 2.966748228679147 2.2596e-08 au
q 2.673041162433791 1.1746e-07 au
i 9.374393362746147 4.7731e-06 deg
node 275.661342709023 2.7683e-05 deg
peri 41.74143080729159 3.7705e-05 deg
M 120.9659672141807 2.5752e-05 deg
tp 2458373.337379595642
(2018-Sep-11.83737960)
0.00013206 TDB
period 1866.463341261998
5.11
2.1323e-05
5.838e-08
d
yr
n .192878151979448 2.2035e-09 deg/d
Q 3.260455294924502 2.4833e-08 au
  Orbit Determination Parameters
   # obs. used (total)      696  
   data-arc span      8084 days (22.13 yr)  
   first obs. used      1998-08-27  
   last obs. used      2020-10-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52789  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:25:19  

Additional Information
 Earth MOID = 1.66748 au 
 Jupiter MOID = 1.98929 au 
 T_jup = 3.237 
[ 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 14.8   n/a MPO453210  
diameter diameter 4.287 km 0.306 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.139   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78844 (2003 QO51)          Discovered 2003-Aug-22 by CINEOS at Campo Imperatore
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2003 QO51 = 2002 LQ33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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