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173702 (2001 QN46)
Classification: Main-belt Asteroid          SPK-ID: 2173702
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1026200506698319 6.3234e-08  
a 2.794306761043732 1.6721e-08 au
q 2.50755485963837 1.7518e-07 au
i 8.808499695933293 5.9082e-06 deg
node 314.7594283492613 3.4791e-05 deg
peri 48.34455503888709 4.4505e-05 deg
M 18.96589849150465 2.3882e-05 deg
tp 2459110.616397539074
(2020-Sep-18.11639754)
0.00011339 TDB
period 1706.119902541267
4.67
1.5314e-05
4.193e-08
d
yr
n .2110050996203606 1.8939e-09 deg/d
Q 3.081058662449093 1.8437e-08 au
  Orbit Determination Parameters
   # obs. used (total)      585  
   data-arc span      7089 days (19.41 yr)  
   first obs. used      2001-08-15  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50642  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:58:09  

Additional Information
 Earth MOID = 1.51199 au 
 Jupiter MOID = 2.36375 au 
 T_jup = 3.303 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457734.5 (2016-Dec-12.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1053727962911687 6.3276e-08  
q 2.49972485653412 1.7605e-07 au
tp 2457403.656286280324
(2016-Jan-16.15628628)
0.00011352 TDB
node 314.9102122763544 3.4854e-05 deg
peri 48.2143337615048 4.3946e-05 deg
i 8.800018197197677 5.9074e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      585  
   data-arc span      7089 days (19.41 yr)  
   first obs. used      2001-08-15  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50642  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:58:09  

Additional Information
 Jupiter MOID = 2.36375 au 
 T_jup = 3.303 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.003863192713964E-15 -1.110035313722335E-14 -1.606445688018068E-12 9.111978430309621E-15 -3.77138406199255E-13 -1.361150007749445E-14
q -1.110035313722335E-14 3.099467784676029E-14 3.850135799079199E-12 -2.091234741321772E-14 9.07884477133114E-13 3.931247408953135E-14
tp -1.606445688018068E-12 3.850135799079199E-12 1.288779717563537E-8 -9.076748146693896E-12 3.073728284511358E-9 1.60433069004471E-12
node 9.111978430309621E-15 -2.091234741321772E-14 -9.076748146693896E-12 1.21479396262502E-9 -1.202399814983303E-9 1.114833508047394E-10
peri -3.77138406199255E-13 9.07884477133114E-13 3.073728284511358E-9 -1.202399814983303E-9 1.931228518123697E-9 -1.099143007965249E-10
i -1.361150007749445E-14 3.931247408953135E-14 1.60433069004471E-12 1.114833508047394E-10 -1.099143007965249E-10 3.489744621756006E-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 15.64   n/a E2021B55  
diameter diameter 4.721 km 0.259 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173702 (2001 QN46)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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