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108984 (2001 PT51)
Classification: Main-belt Asteroid          SPK-ID: 2108984
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04022965597751026 5.3349e-08  
a 3.121649634840975 3.1509e-08 au
q 2.996066743949001 1.805e-07 au
i 18.97281176611946 4.6265e-06 deg
node 139.3534664914287 1.8039e-05 deg
peri 33.10242224498633 7.3059e-05 deg
M 298.524966498599 7.1181e-05 deg
tp 2459344.509896366199
(2021-May-10.00989637)		 0.00039937 TDB
period 2014.534285516234
5.52		 3.0501e-05
8.351e-08		 d
yr
n .1787013517656505 2.7056e-09 deg/d
Q 3.247232525732947 3.2776e-08 au
   Orbit Determination Parameters
   # obs. used (total)      617  
   data-arc span      7725 days (21.15 yr)  
   first obs. used      1999-02-18  
   last obs. used      2020-04-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5788  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:14:40  

Additional Information
 Earth MOID = 2.01742 au 
 Jupiter MOID = 1.78529 au 
 T_jup = 3.131 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457472.5 (2016-Mar-25.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04159792429484885 5.3423e-08  
q 2.991223487366245 1.8123e-07 au
tp 2457334.949055779066
(2015-Nov-08.44905578)		 0.00037974 TDB
node 139.3885034775545 1.8035e-05 deg
peri 33.77439318508249 7.0555e-05 deg
i 18.9763245571799 4.6275e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      617  
   data-arc span      7725 days (21.15 yr)  
   first obs. used      1999-02-18  
   last obs. used      2020-04-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5788  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:14:40  

Additional Information
 Jupiter MOID = 1.78529 au 
 T_jup = 3.131 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.85403922711991E-15 -9.56652621804667E-15 4.695792017629298E-12 1.032498130843508E-14 9.160208022619749E-13 -5.365037945893E-15
q -9.56652621804667E-15 3.284365357529688E-14 -1.301776319003907E-11 -3.490608865961545E-14 -2.576338769514274E-12 1.984883028421573E-14
tp 4.695792017629298E-12 -1.301776319003907E-11 1.44205890861447E-7 1.558429126222673E-10 2.595632260337479E-8 2.674655354376698E-11
node 1.032498130843508E-14 -3.490608865961545E-14 1.558429126222673E-10 3.252595677568044E-10 -2.791735087736483E-10 2.241957610599795E-12
peri 9.160208022619749E-13 -2.576338769514274E-12 2.595632260337479E-8 -2.791735087736483E-10 4.977963745984594E-9 2.538951452841392E-12
i -5.365037945893E-15 1.984883028421573E-14 2.674655354376698E-11 2.241957610599795E-12 2.538951452841392E-12 2.141376268684089E-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 14.6   n/a MPO338036  
diameter diameter 6.712 km 0.155 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.082   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

108984 (2001 PT51)          Discovered 2001-Aug-15 by NEAT at Haleakala
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 PT51 = 2000 KG54 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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