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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09517912508322458 3.1874e-08  
a 2.21948729698128 8.2438e-09 au
q 2.00823843792127 7.1328e-08 au
i 6.406785306388465 3.9979e-06 deg
node 324.7557818207349 3.3005e-05 deg
peri 327.5230204474321 3.9998e-05 deg
M 250.7405182425628 2.4222e-05 deg
tp 2459367.050703971451
(2021-Jun-01.55070397)
8.2104e-05 TDB
period 1207.751046473732
3.31
6.7289e-06
1.842e-08
d
yr
n .2980746744547159 1.6607e-09 deg/d
Q 2.430736156041289 9.0284e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1274  
   data-arc span      8318 days (22.77 yr)  
   first obs. used      1997-04-28  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50407  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:35:36  

Additional Information
 Earth MOID = .995602 au 
 Jupiter MOID = 2.72405 au 
 T_jup = 3.637 
[ 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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