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101040 (1998 QJ98)
Classification: Main-belt Asteroid          SPK-ID: 2101040
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1981883284232769 4.5916e-08  
a 2.560378527354256 1.1885e-08 au
q 2.052941386887064 1.1839e-07 au
i 13.53275225369197 4.2888e-06 deg
node 171.7631017426513 1.9375e-05 deg
peri 125.1410445124102 2.2123e-05 deg
M 155.7731865070982 1.3996e-05 deg
tp 2458352.992363762890
(2018-Aug-22.49236376)
5.5199e-05 TDB
period 1496.424091156007
4.10
1.0419e-05
2.853e-08
d
yr
n .2405735126343063 1.6751e-09 deg/d
Q 3.067815667821447 1.4241e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1022  
   data-arc span      8091 days (22.15 yr)  
   first obs. used      1998-08-28  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54093  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:02:47  

Additional Information
 Earth MOID = 1.07031 au 
 Jupiter MOID = 2.32035 au 
 T_jup = 3.369 
[ 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 14.9   n/a MPO359462  
diameter diameter 2.870 km 0.242 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.310   0.085 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101040 (1998 QJ98)          Discovered 1998-Aug-28 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 QJ98 = 2001 FY65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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