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JPL Small-Body Database Browser
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52797 (1998 QS54)
Classification: Main-belt Asteroid          SPK-ID: 2052797
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2517842752744086 4.4069e-08  
a 2.328043580467269 9.6935e-09 au
q 1.741878814752078 1.0281e-07 au
i 4.709329254874241 5.8934e-06 deg
node 315.8210842916397 5.1476e-05 deg
peri 55.87034123217688 5.2643e-05 deg
M 283.9263482171797 1.3233e-05 deg
tp 2458874.668053891350
(2020-Jan-26.16805389)
4.8828e-05 TDB
period 1297.433435727028
3.55
8.1034e-06
2.219e-08
d
yr
n .2774708821946391 1.733e-09 deg/d
Q 2.914208346182459 1.2134e-08 au
  Orbit Determination Parameters
   # obs. used (total)      764  
   data-arc span      8687 days (23.78 yr)  
   first obs. used      1995-11-23  
   last obs. used      2019-09-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58065  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:21:17  

Additional Information
 Earth MOID = .746107 au 
 Jupiter MOID = 2.57019 au 
 T_jup = 3.525 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO293729  
diameter diameter 2.125 km 0.500 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.225   0.160 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52797 (1998 QS54)          Discovered 1998-Aug-27 by LONEOS at Anderson Mesa
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 QS54 = 2000 EO27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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