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52800 (1998 QT60)
Classification: Mars-crossing Asteroid          SPK-ID: 2052800
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3457854639105088 4.7665e-08  
a 2.45135955113513 6.7521e-09 au
q 1.603715051534412 1.1848e-07 au
i 21.90251074374713 4.9881e-06 deg
node 298.7333756443199 1.4061e-05 deg
peri 127.1786678631348 1.6438e-05 deg
M 228.9192846754732 6.7001e-06 deg
tp 2459510.940649236985
(2021-Oct-23.44064924)
2.7067e-05 TDB
period 1401.873900904255
3.84
5.792e-06
1.586e-08
d
yr
n .2567991313396934 1.061e-09 deg/d
Q 3.299004050735847 9.0868e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1410  
   data-arc span      13205 days (36.15 yr)  
   first obs. used      1984-04-22  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37614  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 22:05:48  

Additional Information
 Earth MOID = .69475 au 
 Jupiter MOID = 2.21155 au 
 T_jup = 3.318 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456863.5 (2014-Jul-25.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3479279242811864 4.7899e-08  
q 1.59667728613882 1.1929e-07 au
tp 2456711.657395033414
(2014-Feb-23.15739503)
2.3702e-05 TDB
node 298.7997466370755 1.4089e-05 deg
peri 127.2047140268172 1.6379e-05 deg
i 21.89363746036297 4.9873e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1410  
   data-arc span      13205 days (36.15 yr)  
   first obs. used      1984-04-22  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37614  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 22:05:48  

Additional Information
 Jupiter MOID = 2.21155 au 
 T_jup = 3.318 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.294290067465884E-15 -5.710250898788758E-15 -1.5290042303786E-13 -5.279212039325495E-15 2.464929036195011E-14 -2.410139200741651E-14
q -5.710250898788758E-15 1.422972842024621E-14 3.711069087336092E-13 1.353061523590551E-14 -6.608957449220789E-14 6.041067161412374E-14
tp -1.5290042303786E-13 3.711069087336092E-13 5.617938818523716E-10 -4.151282112458396E-12 2.112227247780811E-10 9.544413639620405E-12
node -5.279212039325495E-15 1.353061523590551E-14 -4.151282112458396E-12 1.985068829639374E-10 -1.863478792211305E-10 -4.526936542872915E-12
peri 2.464929036195011E-14 -6.608957449220789E-14 2.112227247780811E-10 -1.863478792211305E-10 2.682755172403539E-10 6.856322124732275E-12
i -2.410139200741651E-14 6.041067161412374E-14 9.544413639620405E-12 -4.526936542872915E-12 6.856322124732275E-12 2.487266679339785E-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 13.4   n/a MPO263767  

52800 (1998 QT60)          Discovered 1998-Aug-29 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 QT60 = 1990 QK 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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