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JPL Small-Body Database Browser
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108457 (2001 KF51)
Classification: Main-belt Asteroid          SPK-ID: 2108457
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1530570900075871 2.9877e-08  
a 2.290968984705496 8.0108e-09 au
q 1.940319938608836 6.7648e-08 au
i 7.9346646025309 4.0379e-06 deg
node 241.3737050007823 2.7095e-05 deg
peri 52.52062503632778 3.1738e-05 deg
M 116.0435065035359 1.5166e-05 deg
tp 2458592.231771705206
(2019-Apr-18.73177171)
5.3119e-05 TDB
period 1266.564296569645
3.47
6.6432e-06
1.819e-08
d
yr
n .2842334976400503 1.4908e-09 deg/d
Q 2.641618030802155 9.2369e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1017  
   data-arc span      7891 days (21.60 yr)  
   first obs. used      1998-06-27  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49559  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:07:54  

Additional Information
 Earth MOID = .935973 au 
 Jupiter MOID = 2.53483 au 
 T_jup = 3.570 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457067.5 (2015-Feb-14.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1530434688099812 2.9802e-08  
q 1.940076497267279 6.7466e-08 au
tp 2457326.593899649108
(2015-Oct-31.09389965)
5.3094e-05 TDB
node 241.3850885165029 2.7102e-05 deg
peri 52.74451013808108 3.1763e-05 deg
i 7.933613790355432 4.0382e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1017  
   data-arc span      7891 days (21.60 yr)  
   first obs. used      1998-06-27  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49559  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:07:54  

Additional Information
 Jupiter MOID = 2.53483 au 
 T_jup = 3.570 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.881863675155987E-16 -2.000649360517522E-15 4.784209666192216E-15 -7.384662112514379E-16 -1.417376402452333E-14 -1.990767413498809E-15
q -2.000649360517522E-15 4.551609949751735E-15 -2.833077856592471E-14 9.318730256031127E-16 2.341238374197911E-14 4.770637724403177E-15
tp 4.784209666192216E-15 -2.833077856592471E-14 2.819018033379726E-9 -6.518883123854588E-13 8.88932921774143E-10 -6.906465967230666E-12
node -7.384662112514379E-16 9.318730256031127E-16 -6.518883123854588E-13 7.3450859591494E-10 -7.275391157402215E-10 -1.98185494422461E-11
peri -1.417376402452333E-14 2.341238374197911E-14 8.88932921774143E-10 -7.275391157402215E-10 1.008911784811418E-9 1.754781012081635E-11
i -1.990767413498809E-15 4.770637724403177E-15 -6.906465967230666E-12 -1.98185494422461E-11 1.754781012081635E-11 1.630706884685659E-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 15.4   n/a MPO502751  
diameter diameter 2.262 km 0.640 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.315   0.153 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

108457 (2001 KF51)          Discovered 2001-May-24 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2001 KF51 = 2002 TQ188 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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