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109407 (2001 QM182)
Classification: Main-belt Asteroid          SPK-ID: 2109407
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .212312947302069 4.326e-08  
a 2.884570807889887 1.5496e-08 au
q 2.272139077965274 1.2548e-07 au
i 13.39495782016047 4.2539e-06 deg
node 197.264631625006 1.4345e-05 deg
peri 179.1076975300577 1.705e-05 deg
M 322.6210486916647 7.7369e-06 deg
tp 2459186.299630101142
(2020-Dec-02.79963010)
3.8218e-05 TDB
period 1789.452739983517
4.90
1.442e-05
3.948e-08
d
yr
n .2011788252107267 1.6211e-09 deg/d
Q 3.497002537814499 1.8786e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1434  
   data-arc span      14243 days (39.00 yr)  
   first obs. used      1981-11-02  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46907  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:12:18  

Additional Information
 Earth MOID = 1.27378 au 
 Jupiter MOID = 1.96633 au 
 T_jup = 3.219 
[ 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 14.1   n/a MPO439734  
diameter diameter 4.230 km 0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.248   0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109407 (2001 QM182)          Discovered 2001-Aug-29 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 QM182 = 1981 VX 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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