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175991 (2000 QN131)
Classification: Main-belt Asteroid          SPK-ID: 2175991
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .210838561587491 4.1046e-08  
a 3.16531921324995 2.5311e-08 au
q 2.497947863363082 1.3165e-07 au
i 25.07451677486393 7.4801e-06 deg
node 2.37870461384005 1.138e-05 deg
peri 79.99169333598144 2.7347e-05 deg
M 164.0814846207344 1.9893e-05 deg
tp 2458262.977339144710
(2018-May-24.47733914)
0.00011267 TDB
period 2056.954559425377
5.63
2.4673e-05
6.755e-08
d
yr
n .1750160198485708 2.0993e-09 deg/d
Q 3.832690563136818 3.0648e-08 au
  Orbit Determination Parameters
   # obs. used (total)      718  
   data-arc span      6888 days (18.86 yr)  
   first obs. used      2000-08-24  
   last obs. used      2019-07-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54474  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:07:40  

Additional Information
 Earth MOID = 1.64571 au 
 Jupiter MOID = 1.90283 au 
 T_jup = 3.025 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457030.5 (2015-Jan-08.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2123461375748078 4.0929e-08  
q 2.492697891298007 1.3138e-07 au
tp 2456207.151116362614
(2012-Oct-06.65111636)
0.00011413 TDB
node 2.406940210447842 1.1383e-05 deg
peri 80.20908025799368 2.7156e-05 deg
i 25.07712366739142 7.48e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      718  
   data-arc span      6888 days (18.86 yr)  
   first obs. used      2000-08-24  
   last obs. used      2019-07-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54474  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:07:40  

Additional Information
 Jupiter MOID = 1.90283 au 
 T_jup = 3.025 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.675210807042456E-15 -5.313791831764373E-15 -1.139394075554188E-12 3.030151623613195E-15 -2.514313012799281E-13 -1.351041280856016E-14
q -5.313791831764373E-15 1.726175834598623E-14 3.135840010237073E-12 -8.948123444491466E-15 7.382662854258355E-13 4.648264975899287E-14
tp -1.139394075554188E-12 3.135840010237073E-12 1.302515816656708E-8 -4.800825107003713E-11 2.820252301144803E-9 -4.929902379350683E-12
node 3.030151623613195E-15 -8.948123444491466E-15 -4.800825107003713E-11 1.295767568075725E-10 -1.271146148697977E-10 7.848865102650555E-12
peri -2.514313012799281E-13 7.382662854258355E-13 2.820252301144803E-9 -1.271146148697977E-10 7.374522257567945E-10 -7.80109283812208E-12
i -1.351041280856016E-14 4.648264975899287E-14 -4.929902379350683E-12 7.848865102650555E-12 -7.80109283812208E-12 5.595051644672879E-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 14.41   n/a MPCxxxxx  
diameter diameter 8.468 km 0.591 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

175991 (2000 QN131)          Discovered 2000-Aug-24 by LINEAR at Socorro
Reference: 20080221/Numbers.arcLast Updated: 2008-02-22

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