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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0402296567047114 5.3431e-08  
a 3.121649634939067 3.1533e-08 au
q 2.996066741773081 1.8068e-07 au
i 18.97281188032867 4.6369e-06 deg
node 139.3534662424482 1.8095e-05 deg
peri 33.10242250098294 7.3089e-05 deg
M 298.5249664159918 7.1215e-05 deg
tp 2459344.509896844677
(2021-May-10.00989684)		 0.00039957 TDB
period 2014.534285611189
5.52		 3.0524e-05
8.357e-08		 d
yr
n .1787013517572274 2.7077e-09 deg/d
Q 3.247232528105053 3.2801e-08 au
   Orbit Determination Parameters
   # obs. used (total)      610  
   data-arc span      7650 days (20.94 yr)  
   first obs. used      1999-02-18  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58056  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:17:22  

Additional Information
 Earth MOID = 2.01742 au 
 Jupiter MOID = 1.78529 au 
 T_jup = 3.131 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457460.5 (2016-Mar-13.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04163569615154739 5.3506e-08  
q 2.991242387549082 1.8143e-07 au
tp 2457335.117128840804
(2015-Nov-08.61712884)		 0.00037954 TDB
node 139.3893268101049 1.809e-05 deg
peri 33.80587937889954 7.0515e-05 deg
i 18.9764837803144 4.638e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      610  
   data-arc span      7650 days (20.94 yr)  
   first obs. used      1999-02-18  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58056  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:17:22  

Additional Information
 Jupiter MOID = 1.78529 au 
 T_jup = 3.131 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.862916652018968E-15 -9.591789339689779E-15 4.717660100547204E-12 1.037288844554043E-14 9.194036331793414E-13 -5.373199929535424E-15
q -9.591789339689779E-15 3.291722584682028E-14 -1.30685432651819E-11 -3.476231145097735E-14 -2.584304929089594E-12 1.988120908556756E-14
tp 4.717660100547204E-12 -1.30685432651819E-11 1.440504895571807E-7 1.591590837939148E-10 2.592167291818823E-8 2.736346952032292E-11
node 1.037288844554043E-14 -3.476231145097735E-14 1.591590837939148E-10 3.272443537451351E-10 -2.804579009469955E-10 2.675710476245637E-12
peri 9.194036331793414E-13 -2.584304929089594E-12 2.592167291818823E-8 -2.804579009469955E-10 4.972324292407492E-9 2.237728811698964E-12
i -5.373199929535424E-15 1.988120908556756E-14 2.736346952032292E-11 2.675710476245637E-12 2.237728811698964E-12 2.151070795021743E-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

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