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JPL Small-Body Database Browser
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52788 (1998 QA46)
Classification: Main-belt Asteroid          SPK-ID: 2052788
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09501052600055145 3.2334e-08  
a 2.219864958684048 8.6587e-09 au
q 2.008954421309284 7.1982e-08 au
i 6.405749894562221 4.0472e-06 deg
node 324.7606041373139 3.7329e-05 deg
peri 327.3997345024399 4.4604e-05 deg
M 131.6642604495204 2.503e-05 deg
tp 2458158.671563722610
(2018-Feb-09.17156372)
8.3366e-05 TDB
period 1208.05932085756
3.31
7.0681e-06
1.935e-08
d
yr
n .297998611313597 1.7435e-09 deg/d
Q 2.430775496058812 9.4814e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1183  
   data-arc span      8189 days (22.42 yr)  
   first obs. used      1997-04-28  
   last obs. used      2019-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51279  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:58:42  

Additional Information
 Earth MOID = .995631 au 
 Jupiter MOID = 2.72306 au 
 T_jup = 3.636 
[ 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 15.0   n/a MPO263767  
diameter diameter 2.238 km 0.418 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.352   0.069 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52788 (1998 QA46)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QA46 = 2000 AY58 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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