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48922 (1998 OQ11)
Classification: Main-belt Asteroid          SPK-ID: 2048922
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 .2287475176255756 4.1172e-08  
a 2.346072588715161 9.2833e-09 au
q 1.80941430787716 9.8787e-08 au
i 2.729872547503222 4.3292e-06 deg
node 139.9287269659326 8.1572e-05 deg
peri 206.8108807105995 8.1959e-05 deg
M 8.631179005862126 7.8549e-06 deg
tp 2458969.031342347426
(2020-Apr-29.53134235)
2.8579e-05 TDB
period 1312.534098439193
3.59
7.7904e-06
2.133e-08
d
yr
n .2742785885929332 1.628e-09 deg/d
Q 2.882730869553161 1.1407e-08 au
  Orbit Determination Parameters
   # obs. used (total)      851  
   data-arc span      8131 days (22.26 yr)  
   first obs. used      1998-07-26  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55122  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:35:10  

Additional Information
 Earth MOID = .802913 au 
 Jupiter MOID = 2.53758 au 
 T_jup = 3.524 
[ 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 15.8   n/a MPO436125  
diameter diameter 1.722 km 0.469 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.285   0.186 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48922 (1998 OQ11)          Discovered 1998-Jul-26 by Elst, E. W. at La Silla
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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