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72716 (2001 FQ87)
Classification: Main-belt Asteroid          SPK-ID: 2072716
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07799117323939588 3.9589e-08  
a 2.987581748740378 1.7567e-08 au
q 2.75457674300751 1.1791e-07 au
i 11.08216761722167 4.2929e-06 deg
node 162.936875095205 2.2528e-05 deg
peri 192.1680918563181 3.6352e-05 deg
M 177.1438886756536 2.9389e-05 deg
tp 2458468.384989343764
(2018-Dec-15.88498934)
0.00015197 TDB
period 1886.158231786441
5.16
1.6636e-05
4.555e-08
d
yr
n .1908641565342227 1.6834e-09 deg/d
Q 3.220586754473246 1.8937e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1204  
   data-arc span      8279 days (22.67 yr)  
   first obs. used      1998-10-12  
   last obs. used      2021-06-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55029  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 17:52:49  

Additional Information
 Earth MOID = 1.74918 au 
 Jupiter MOID = 2.20481 au 
 T_jup = 3.224 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457429.5 (2016-Feb-11.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07626880910515457 3.9584e-08  
q 2.762973697537257 1.1757e-07 au
tp 2456568.673868232059
(2013-Oct-03.17386823)
0.00015269 TDB
node 162.9987045569549 2.2482e-05 deg
peri 190.0403208542916 3.6884e-05 deg
i 11.08697180126425 4.297e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1204  
   data-arc span      8279 days (22.67 yr)  
   first obs. used      1998-10-12  
   last obs. used      2021-06-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55029  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 17:52:49  

Additional Information
 Jupiter MOID = 2.20481 au 
 T_jup = 3.224 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.566916770281904E-15 -4.608787915374108E-15 1.473332831178603E-13 -1.129348672376214E-15 -2.517987474981742E-15 1.170790871008405E-16
q -4.608787915374108E-15 1.382270577180377E-14 -4.311353950928426E-14 2.204189797826757E-15 1.053418365453007E-13 -2.083981423152204E-16
tp 1.473332831178603E-13 -4.311353950928426E-14 2.331531834409066E-8 -1.422750200590555E-11 4.482772691441737E-9 -7.533240125175677E-12
node -1.129348672376214E-15 2.204189797826757E-15 -1.422750200590555E-11 5.05448562716953E-10 -4.987463988637399E-10 -3.063869121416916E-12
peri -2.517987474981742E-15 1.053418365453007E-13 4.482772691441737E-9 -4.987463988637399E-10 1.360449170718772E-9 1.581111040801206E-12
i 1.170790871008405E-16 -2.083981423152204E-16 -7.533240125175677E-12 -3.063869121416916E-12 1.581111040801206E-12 1.846437632747466E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.28   n/a MPCxxxxx  
diameter diameter 5.176 km 0.307 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.182   0.069 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72716 (2001 FQ87)          Discovered 2001-Mar-21 by LONEOS at Anderson Mesa
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 FQ87 = 2000 AF185 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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