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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 
[ 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 15.4   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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1951-Mar-17 14:36 00:05 Psych 0.0178297373534401 0.0178244356873291 0.0178350394097729 2.65197709324195 2.6519768373607 2433723.108202418 4.56943973119978 296.259374226978 57.7963581014145 -27.6032244673334 22774.9742704647 T 19 CATAB v2.0e-lin.ifort 2019-Jul-13 03:07:50 2019-Jul-13 03:07
1977-Jun-15 01:42 00:03 Europ 0.0351444715999516 0.0351429028381554 0.0351460405451427 3.27760804270585 3.27760795043645 2443309.570666337 2.75902069342727 152.706193366525 20.7739089370972 -60.131417708911 219913.076433915 T 19 CATAB v2.0e-lin.ifort 2019-Jul-13 03:07:50 2019-Jul-13 03:07

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