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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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1790273249594745 4.4611e-08  
a 2.369460059866762 1.2811e-08 au
q 1.945261963750499 1.088e-07 au
i 1.945627299700171 4.5188e-06 deg
node 319.5745600012879 0.00014312 deg
peri 21.97237645364419 0.00014392 deg
M 346.0796673201376 1.9128e-05 deg
tp 2459052.013330516322
(2020-Jul-21.51333052)
7.1059e-05 TDB
period 1332.20946742913
3.65
1.0804e-05
2.958e-08
d
yr
n .270227774836881 2.1915e-09 deg/d
Q 2.793658155983024 1.5104e-08 au
  Orbit Determination Parameters
   # obs. used (total)      594  
   data-arc span      7563 days (20.71 yr)  
   first obs. used      1998-08-17  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5737  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:43:01  

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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