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109470 (2001 QM217)
Classification: Main-belt Asteroid          SPK-ID: 2109470
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 .09547225968329835 3.7547e-08  
a 2.423886551686572 1.1344e-08 au
q 2.192472625381097 9.1927e-08 au
i 6.140369866553638 5.4386e-06 deg
node 346.7685991986864 3.7726e-05 deg
peri 61.41713503523274 4.7714e-05 deg
M 293.5107362583611 3.0433e-05 deg
tp 2459255.075076924894
(2021-Feb-09.57507693)
0.00011714 TDB
period 1378.373327295063
3.77
9.676e-06
2.649e-08
d
yr
n .2611774276759029 1.8334e-09 deg/d
Q 2.655300477992047 1.2427e-08 au
  Orbit Determination Parameters
   # obs. used (total)      839  
   data-arc span      7357 days (20.14 yr)  
   first obs. used      1998-12-14  
   last obs. used      2019-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6307  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 08:09:51  

Additional Information
 Earth MOID = 1.20933 au 
 Jupiter MOID = 2.64903 au 
 T_jup = 3.498 
[ 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 15.3   n/a MPO474962  
diameter diameter 1.740 km 0.277 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.485   0.175 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109470 (2001 QM217)          Discovered 2001-Aug-23 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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