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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1610348942931153 3.3956e-08  
a 2.401233458838832 8.6661e-09 au
q 2.01455108262163 7.9192e-08 au
i 2.490465225246757 4.5929e-06 deg
node 190.4685432331354 7.5245e-05 deg
peri 94.04485199968886 7.6662e-05 deg
M 73.82914767265004 1.4519e-05 deg
tp 2458921.775361992640
(2020-Mar-13.27536199)
5.4676e-05 TDB
period 1359.09559903833
3.72
7.3575e-06
2.014e-08
d
yr
n .2648820290895866 1.4339e-09 deg/d
Q 2.787915835056035 1.0062e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1333  
   data-arc span      25212 days (69.03 yr)  
   first obs. used      1952-02-01  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5001  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:48:12  

Additional Information
 Earth MOID = .998115 au 
 Jupiter MOID = 2.35724 au 
 T_jup = 3.507 
[ 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 15.46   n/a E2021B10  
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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