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79546 (1998 QJ41)
Classification: Main-belt Asteroid          SPK-ID: 2079546
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1790273286238399 4.434e-08  
a 2.369460055069847 1.0786e-08 au
q 1.945261951129796 1.0741e-07 au
i 1.94562776566438 4.5006e-06 deg
node 319.5745184355839 0.00013763 deg
peri 21.97241262623954 0.00013825 deg
M 346.0796752831661 1.5378e-05 deg
tp 2459052.013300892052
(2020-Jul-21.51330089)
5.7082e-05 TDB
period 1332.209463383591
3.65
9.0965e-06
2.49e-08
d
yr
n .2702277756574855 1.8452e-09 deg/d
Q 2.793658159009898 1.2717e-08 au
  Orbit Determination Parameters
   # obs. used (total)      612  
   data-arc span      8019 days (21.95 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57126  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:35:23  

Additional Information
 Earth MOID = .93709 au 
 Jupiter MOID = 2.59906 au 
 T_jup = 3.523 
[ 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 16.0   n/a MPO280274  
diameter diameter 2.718 km 0.577 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.095   0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

79546 (1998 QJ41)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1998 QJ41 = 2000 AZ223 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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