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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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09517912604563242 3.1712e-08  
a 2.219487297279183 8.1144e-09 au
q 2.008238436054768 7.1091e-08 au
i 6.406785240427856 3.9962e-06 deg
node 324.7557868289894 3.1484e-05 deg
peri 327.5230146656966 3.8521e-05 deg
M 250.7405187914047 2.3977e-05 deg
tp 2459367.050702203960
(2021-Jun-01.55070220)
8.134e-05 TDB
period 1207.751046716892
3.31
6.6233e-06
1.813e-08
d
yr
n .2980746743947037 1.6346e-09 deg/d
Q 2.430736158503599 8.8867e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1364  
   data-arc span      8399 days (23.00 yr)  
   first obs. used      1997-04-28  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50603  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 10:27:39  

Additional Information
 Earth MOID = .995602 au 
 Jupiter MOID = 2.72405 au 
 T_jup = 3.637 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457009.5 (2014-Dec-18.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09565437437580118 3.1718e-08  
q 2.007392930740638 7.1144e-08 au
tp 2456951.096837652083
(2014-Oct-20.59683765)
7.5811e-05 TDB
node 324.8080576708836 3.146e-05 deg
peri 327.4444316535063 3.8439e-05 deg
i 6.409597863898049 3.9975e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1364  
   data-arc span      8399 days (23.00 yr)  
   first obs. used      1997-04-28  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50603  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 10:27:39  

Additional Information
 Jupiter MOID = 2.72405 au 
 T_jup = 3.637 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.006053091063067E-15 -2.244620194034834E-15 2.553762961996214E-13 -2.062515886020835E-15 9.205125927342861E-14 -6.502360864785829E-16
q -2.244620194034834E-15 5.061420983237303E-15 -3.927694434895754E-13 5.011533903032973E-15 -1.551930099618479E-13 1.622721553020537E-15
tp 2.553762961996214E-13 -3.927694434895754E-13 5.747302930960251E-9 1.075637199133197E-11 1.68375225178707E-9 1.176424557018412E-12
node -2.062515886020835E-15 5.011533903032973E-15 1.075637199133197E-11 9.897259974087017E-10 -9.800610507976471E-10 1.850767909363176E-11
peri 9.205125927342861E-14 -1.551930099618479E-13 1.68375225178707E-9 -9.800610507976471E-10 1.477545666715505E-9 -1.808525589402628E-11
i -6.502360864785829E-16 1.622721553020537E-15 1.176424557018412E-12 1.850767909363176E-11 -1.808525589402628E-11 1.598023697410629E-11

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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