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72613 (2001 FK20)
Classification: Main-belt Asteroid          SPK-ID: 2072613
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06803753186493411 3.5141e-08  
a 2.771747320009901 1.4414e-08 au
q 2.583164473403182 9.7614e-08 au
i 3.554567876534587 3.7963e-06 deg
node 288.1795085342129 6.8644e-05 deg
peri 318.447844258279 7.5228e-05 deg
M 88.23055233143739 3.1059e-05 deg
tp 2458983.409337318959
(2020-May-13.90933732)
0.00014525 TDB
period 1685.500482945374
4.61
1.3148e-05
3.6e-08
d
yr
n .2135864116579237 1.6661e-09 deg/d
Q 2.960330166616621 1.5395e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1138  
   data-arc span      7886 days (21.59 yr)  
   first obs. used      2000-01-03  
   last obs. used      2021-08-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51623  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:43:23  

Additional Information
 Earth MOID = 1.57089 au 
 Jupiter MOID = 2.06104 au 
 T_jup = 3.331 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457034.5 (2015-Jan-12.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0657432498874453 3.5374e-08  
q 2.588246899183921 9.7522e-08 au
tp 2457296.533313800200
(2015-Oct-01.03331380)
0.00014934 TDB
node 288.2412961918029 6.8543e-05 deg
peri 317.9807504406006 7.5481e-05 deg
i 3.557965007046533 3.7985e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1138  
   data-arc span      7886 days (21.59 yr)  
   first obs. used      2000-01-03  
   last obs. used      2021-08-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51623  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:43:23  

Additional Information
 Jupiter MOID = 2.06104 au 
 T_jup = 3.331 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.251338125503271E-15 -3.41880664578429E-15 -8.613500108600314E-13 4.69092990981748E-15 -1.864806289625614E-13 -2.122231990375893E-16
q -3.41880664578429E-15 9.510518494434519E-15 2.296305373616577E-12 -1.549392979016617E-14 4.917784081188955E-13 6.28526000359064E-16
tp -8.613500108600314E-13 2.296305373616577E-12 2.230293695989224E-8 1.090801475956346E-11 4.742822182035254E-9 8.094630498246756E-13
node 4.69092990981748E-15 -1.549392979016617E-14 1.090801475956346E-11 4.698173276846803E-9 -4.686800876906116E-9 4.72969411411359E-12
peri -1.864806289625614E-13 4.917784081188955E-13 4.742822182035254E-9 -4.686800876906116E-9 5.697387829033757E-9 -4.559638807627672E-12
i -2.122231990375893E-16 6.28526000359064E-16 8.094630498246756E-13 4.72969411411359E-12 -4.559638807627672E-12 1.44284472477938E-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 14.75   n/a MPCxxxxx  
diameter diameter 6.752 km 0.158 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72613 (2001 FK20)          Discovered 2001-Mar-19 by LONEOS at Anderson Mesa
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 FK20 = 2000 AW20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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