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48919 (1998 OU8)
Classification: Main-belt Asteroid          SPK-ID: 2048919
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1410260809401389 4.9014e-08  
a 2.352093354820694 1.3194e-08 au
q 2.020386846984988 1.1852e-07 au
i 9.207840124510049 5.2651e-06 deg
node 136.6310002789527 2.6981e-05 deg
peri 189.1307398379599 3.1017e-05 deg
M 263.0681681437899 1.5414e-05 deg
tp 2458955.267786907189
(2020-Apr-15.76778691)
5.6881e-05 TDB
period 1317.589906647428
3.61
1.1087e-05
3.035e-08
d
yr
n .2732261367393216 2.2991e-09 deg/d
Q 2.6837998626564 1.5055e-08 au
  Orbit Determination Parameters
   # obs. used (total)      920  
   data-arc span      7595 days (20.79 yr)  
   first obs. used      1998-07-24  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57991  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:39:33  

Additional Information
 Earth MOID = 1.00788 au 
 Jupiter MOID = 2.63052 au 
 T_jup = 3.526 
[ 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 15.1   n/a MPO436125  
diameter diameter 3.838 km 1.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.100   0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

48919 (1998 OU8)          Discovered 1998-Jul-26 by Elst, E. W. at La Silla
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 OU8 = 2001 KS63 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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