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JPL Small-Body Database Browser
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52798 (1998 QO55)
Classification: Main-belt Asteroid          SPK-ID: 2052798
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1612480118054561 4.1069e-08  
a 2.402036613902405 1.2602e-08 au
q 2.014712985626733 1.013e-07 au
i 2.490033814586031 4.7932e-06 deg
node 190.4744368969011 0.00010102 deg
peri 94.11535184701121 0.00010215 deg
M 20.78350271017109 1.8319e-05 deg
tp 2458921.997388746561
(2020-Mar-13.49738875)
6.8893e-05 TDB
period 1359.777533428353
3.72
1.0701e-05
2.93e-08
d
yr
n .2647491895915844 2.0834e-09 deg/d
Q 2.789360242178078 1.4634e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1003  
   data-arc span      24557 days (67.23 yr)  
   first obs. used      1952-02-01  
   last obs. used      2019-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53526  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:07:45  

Additional Information
 Earth MOID = 1.00019 au 
 Jupiter MOID = 2.35707 au 
 T_jup = 3.506 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456591.5 (2013-Oct-26.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .161568833687229 4.124e-08  
q 2.013174586739248 1.016e-07 au
tp 2456200.746941850192
(2012-Sep-30.24694185)
6.1226e-05 TDB
node 190.6698270455301 0.00010125 deg
peri 93.51675087394703 0.00010235 deg
i 2.486911558734288 4.7882e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1003  
   data-arc span      24557 days (67.23 yr)  
   first obs. used      1952-02-01  
   last obs. used      2019-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53526  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:07:45  

Additional Information
 Jupiter MOID = 2.35707 au 
 T_jup = 3.506 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.70075319196081E-15 -4.168699315224166E-15 5.720019207973048E-14 5.266907743395477E-15 4.632786779668406E-14 1.61891025356842E-16
q -4.168699315224166E-15 1.032196926701061E-14 -1.204421010450667E-14 -1.172642254149978E-14 -7.816332335875096E-14 -2.659419715231717E-16
tp 5.720019207973048E-14 -1.204421010450667E-14 3.74865815104376E-9 1.023828290317314E-11 9.337263521302991E-10 8.016934045630587E-13
node 5.266907743395477E-15 -1.172642254149978E-14 1.023828290317314E-11 1.025167169274193E-8 -1.02386611730908E-8 -8.962548017568018E-11
peri 4.632786779668406E-14 -7.816332335875096E-14 9.337263521302991E-10 -1.02386611730908E-8 1.047497940333365E-8 8.974059780202275E-11
i 1.61891025356842E-16 -2.659419715231717E-16 8.016934045630587E-13 -8.962548017568018E-11 8.974059780202275E-11 2.29269272764936E-11

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 15.4   n/a MPO337680  
diameter diameter 3.384 km 0.717 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.107   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

52798 (1998 QO55)          Discovered 1998-Aug-26 by ODAS at Caussols
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QO55 = 1997 JF1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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