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

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2510739950049526 5.5023e-08  
a 2.296742645266626 1.6793e-08 AU
q 1.720090293821292 1.2899e-07 AU
i 3.544764153836572 6.178e-06 deg
node 271.2827404492718 0.00012476 deg
peri 33.52209873123001 0.00012553 deg
M 217.78550503083 2.0794e-05 deg
tp 2457502.736522122626
(2016-Apr-24.23652212)
7.6667e-05 JED
period 1271.355272212873
3.48
1.3944e-05
3.818e-08
d
yr
n .2831623920301974 3.1056e-09 deg/d
Q 2.873394996711961 2.1009e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      496  
   data-arc span      9725 days (26.63 yr)  
   first obs. used      1988-08-11  
   last obs. used      2015-03-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56939  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 17:38:49  

Additional Information
 Earth MOID = .707356 AU 
 T_jup = 3.549 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9 mag n/a MPO337630  

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 | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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