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JPL Small-Body Database Browser
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46544 (1988 QO)
Classification: Main-belt Asteroid          SPK-ID: 2046544
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2518384151459576 2.8442e-08  
a 2.295727801983673 7.4346e-09 au
q 1.717575350725592 6.7309e-08 au
i 3.545180998135895 4.1067e-06 deg
node 271.2248299412309 6.922e-05 deg
peri 33.58304435619563 7.0038e-05 deg
M 311.2093564217701 1.0223e-05 deg
tp 2458772.692036889597
(2019-Oct-16.19203689)
3.6096e-05 TDB
period 1270.512719941127
3.48
6.1718e-06
1.69e-08
d
yr
n .2833501737917915 1.3764e-09 deg/d
Q 2.873880253241754 9.3069e-09 au
  Orbit Determination Parameters
   # obs. used (total)      794  
   data-arc span      11331 days (31.02 yr)  
   first obs. used      1988-08-11  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54561  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:11:43  

Additional Information
 Earth MOID = .703001 au 
 Jupiter MOID = 2.38005 au 
 T_jup = 3.550 
[ 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 15.8   n/a MPO436107  

46544 (1988 QO)          Discovered 1988-Aug-19 by McNaught, R. H. at Siding Spring
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1988 QO = 1998 HY72 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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