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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1981594770739478 4.4039e-08  
a 2.560454230018327 1.1767e-08 au
q 2.053075958726117 1.1405e-07 au
i 13.53390072898337 4.2137e-06 deg
node 171.7554683796336 1.802e-05 deg
peri 125.1846912707982 2.0813e-05 deg
M 203.8336228606485 1.421e-05 deg
tp 2459849.670814912099
(2022-Sep-27.17081491)
6.2331e-05 TDB
period 1496.490458761282
4.10
1.0316e-05
2.824e-08
d
yr
n .2405628434797971 1.6583e-09 deg/d
Q 3.067832501310537 1.4098e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1147  
   data-arc span      8232 days (22.54 yr)  
   first obs. used      1998-08-28  
   last obs. used      2021-03-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52337  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:34:55  

Additional Information
 Earth MOID = 1.06853 au 
 Jupiter MOID = 2.31999 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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