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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 ]

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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 
[ 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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