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123985 (2001 FK52)
Classification: Main-belt Asteroid          SPK-ID: 2123985
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1800445181575258 4.961e-08  
a 3.095214195519381 2.7406e-08 au
q 2.53793784709276 1.5831e-07 au
i 9.974822852285559 5.769e-06 deg
node 216.4791360756571 2.7307e-05 deg
peri 295.7773655865985 3.0723e-05 deg
M 213.817475858637 1.4819e-05 deg
tp 2459808.157900088965
(2022-Aug-16.65790009)
8.7018e-05 TDB
period 1988.998655891702
5.45
2.6417e-05
7.233e-08
d
yr
n .1809955974246779 2.4039e-09 deg/d
Q 3.652490543946001 3.234e-08 au
  Orbit Determination Parameters
   # obs. used (total)      510  
   data-arc span      7620 days (20.86 yr)  
   first obs. used      1999-12-08  
   last obs. used      2020-10-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56172  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:30:59  

Additional Information
 Earth MOID = 1.567 au 
 Jupiter MOID = 1.4905 au 
 T_jup = 3.175 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457348.5 (2015-Nov-22.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1777848040275054 5.0402e-08  
q 2.547649058050524 1.6097e-07 au
tp 2457820.566375005003
(2017-Mar-08.06637501)
7.7219e-05 TDB
node 216.5201751797981 2.7284e-05 deg
peri 296.2873645904444 3.0711e-05 deg
i 9.972570417874365 5.772e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      510  
   data-arc span      7620 days (20.86 yr)  
   first obs. used      1999-12-08  
   last obs. used      2020-10-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56172  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:30:59  

Additional Information
 Jupiter MOID = 1.4905 au 
 T_jup = 3.175 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.540370505341037E-15 -8.033953755889009E-15 1.057618557154264E-12 -2.226125581498519E-15 2.671608127834564E-13 -6.031160950244177E-15
q -8.033953755889009E-15 2.591147313435247E-14 -2.869908959297996E-12 6.507079759704328E-15 -7.875161645397185E-13 2.197756692236742E-14
tp 1.057618557154264E-12 -2.869908959297996E-12 5.962746110513172E-9 -2.785452934107842E-13 1.105892372423011E-9 -1.007336990171754E-12
node -2.226125581498519E-15 6.507079759704328E-15 -2.785452934107842E-13 7.444263216425504E-10 -7.329537901002342E-10 -4.281440435378324E-11
peri 2.671608127834564E-13 -7.875161645397185E-13 1.105892372423011E-9 -7.329537901002342E-10 9.431583675944085E-10 4.174358568337222E-11
i -6.031160950244177E-15 2.197756692236742E-14 -1.007336990171754E-12 -4.281440435378324E-11 4.174358568337222E-11 3.331565460843146E-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 14.9   n/a MPO453713  

123985 (2001 FK52)          Discovered 2001-Mar-18 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 2001 FK52 = 1999 XY153 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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