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175438 (2006 QX31)
Classification: Main-belt Asteroid          SPK-ID: 2175438
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .168099995606932 4.4624e-08  
a 2.415992714564992 1.6025e-08 au
q 2.009864349860237 1.0777e-07 au
i 5.358777733698243 4.9712e-06 deg
node 292.8479540276984 5.433e-05 deg
peri 66.2413016970728 5.7359e-05 deg
M 274.2747906686898 2.3321e-05 deg
tp 2459527.123862971092
(2021-Nov-08.62386297)
9.1063e-05 TDB
period 1371.645418970668
3.76
1.3647e-05
3.736e-08
d
yr
n .2624585005869498 2.6113e-09 deg/d
Q 2.822121079269747 1.8719e-08 au
  Orbit Determination Parameters
   # obs. used (total)      393  
   data-arc span      7464 days (20.44 yr)  
   first obs. used      1999-12-15  
   last obs. used      2020-05-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51525  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:05:24  

Additional Information
 Earth MOID = 1.01142 au 
 Jupiter MOID = 2.64756 au 
 T_jup = 3.491 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457282.5 (2015-Sep-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1667507759172821 4.4453e-08  
q 2.014542354953233 1.0713e-07 au
tp 2456781.635451275397
(2014-May-04.13545128)
7.5476e-05 TDB
node 292.9844479263122 5.4236e-05 deg
peri 65.88852177499162 5.7338e-05 deg
i 5.362507123323008 4.9731e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      393  
   data-arc span      7464 days (20.44 yr)  
   first obs. used      1999-12-15  
   last obs. used      2020-05-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51525  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:05:24  

Additional Information
 Jupiter MOID = 2.64756 au 
 T_jup = 3.491 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.976080161927678E-15 -4.724024658197919E-15 6.235666068211407E-13 -9.210997830775841E-15 1.322204373501119E-13 1.279568062893724E-15
q -4.724024658197919E-15 1.147645001457224E-14 -1.015319599296177E-12 2.340679144895679E-14 -1.932871434028581E-13 -2.932389771807881E-15
tp 6.235666068211407E-13 -1.015319599296177E-12 5.696591994289116E-9 -1.446838258348044E-11 1.431454086152979E-9 -3.378035120815839E-13
node -9.210997830775841E-15 2.340679144895679E-14 -1.446838258348044E-11 2.941567962581668E-9 -2.93146096592113E-9 -1.844645900221996E-11
peri 1.322204373501119E-13 -1.932871434028581E-13 1.431454086152979E-9 -2.93146096592113E-9 3.28763822507589E-9 1.825061883197462E-11
i 1.279568062893724E-15 -2.932389771807881E-15 -3.378035120815839E-13 -1.844645900221996E-11 1.825061883197462E-11 2.473201418263791E-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 16.25   n/a MPCxxxxx  
diameter diameter 1.561 km 0.186 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.316   0.120 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

175438 (2006 QX31)          Discovered 2006-Aug-18 by LONEOS at Anderson Mesa
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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