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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457500.5 (2016-Apr-22.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2160286978303924 4.3476e-08  
q 2.258695253131492 1.2672e-07 au
tp 2457397.748829343621
(2016-Jan-10.24882934)
4.1047e-05 TDB
node 197.4418259050975 1.4305e-05 deg
peri 178.9352892519105 1.6869e-05 deg
i 13.42777893789404 4.262e-06 deg
  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
 Jupiter MOID = 1.96633 au 
 T_jup = 3.219 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.890154571221648E-15 -5.484284639403184E-15 -3.78670874301591E-13 -1.951491406516069E-14 8.399452818489715E-15 -2.42485926135907E-15
q -5.484284639403184E-15 1.605817721179661E-14 8.597470450205073E-13 5.551705247212951E-14 -7.033562914069643E-14 7.384628184142434E-15
tp -3.78670874301591E-13 8.597470450205073E-13 1.684886628799207E-9 4.48880367930307E-12 3.672737295272975E-10 2.329451387373698E-12
node -1.951491406516069E-14 5.551705247212951E-14 4.48880367930307E-12 2.046446596292838E-10 -1.982996391860115E-10 -1.547254200779453E-11
peri 8.399452818489715E-15 -7.033562914069643E-14 3.672737295272975E-10 -1.982996391860115E-10 2.845590577553444E-10 1.551911354300561E-11
i -2.42485926135907E-15 7.384628184142434E-15 2.329451387373698E-12 -1.547254200779453E-11 1.551911354300561E-11 1.816423442721772E-11

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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