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109241 (2001 QH98)
Classification: Main-belt Asteroid          SPK-ID: 2109241
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2437043464875336 3.6926e-08  
a 2.377461951927019 8.9692e-09 au
q 1.798064140633669 8.7158e-08 au
i 5.956633590758297 4.5033e-06 deg
node 172.5058400626045 3.7353e-05 deg
peri 201.9301494240924 3.8123e-05 deg
M 11.52457870643675 9.2483e-06 deg
tp 2458957.636133130344
(2020-Apr-18.13613313)
3.4266e-05 TDB
period 1338.963658988904
3.67
7.5771e-06
2.074e-08
d
yr
n .2688646533333458 1.5215e-09 deg/d
Q 2.956859763220369 1.1155e-08 au
  Orbit Determination Parameters
   # obs. used (total)      940  
   data-arc span      6640 days (18.18 yr)  
   first obs. used      2001-06-15  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55956  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:11:25  

Additional Information
 Earth MOID = .800174 au 
 Jupiter MOID = 2.50691 au 
 T_jup = 3.493 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO296846  
diameter diameter 2.407 km 0.657 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.254   0.262 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109241 (2001 QH98)          Discovered 2001-Aug-19 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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