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245437 (2005 JT142)
Classification: Main-belt Asteroid          SPK-ID: 2245437
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3569883832509279 3.599e-08  
a 2.714253370951847 1.2181e-08 au
q 1.745296448322366 9.7369e-08 au
i 9.986497528362708 4.1916e-06 deg
node 80.30707368101305 2.4533e-05 deg
peri 247.426276063591 2.559e-05 deg
M 63.79509249244724 4.7382e-06 deg
tp 2458711.059848834949
(2019-Aug-15.55984883)
2.1752e-05 TDB
period 1633.330250783078
4.47
1.0995e-05
3.01e-08
d
yr
n .2204085792370544 1.4837e-09 deg/d
Q 3.683210293581328 1.6529e-08 au
  Orbit Determination Parameters
   # obs. used (total)      722  
   data-arc span      6762 days (18.51 yr)  
   first obs. used      2001-07-23  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49111  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:42:51  

Additional Information
 Earth MOID = .762827 au 
 Jupiter MOID = 1.78933 au 
 T_jup = 3.246 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457372.5 (2015-Dec-16.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3584763567012866 3.5825e-08  
q 1.739819356707936 9.6971e-08 au
tp 2457079.992327951770
(2015-Feb-26.49232795)
2.6009e-05 TDB
node 80.34992555807177 2.4565e-05 deg
peri 247.5582209073281 2.5612e-05 deg
i 9.985486936249007 4.1909e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      722  
   data-arc span      6762 days (18.51 yr)  
   first obs. used      2001-07-23  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49111  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:42:51  

Additional Information
 Jupiter MOID = 1.78933 au 
 T_jup = 3.246 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.283423581246681E-15 -3.462371001446128E-15 4.54501471102425E-15 2.307891237268113E-14 -4.456643558226336E-14 -1.082388255296895E-14
q -3.462371001446128E-15 9.40346210271718E-15 -1.35653844368913E-13 -6.149387039278366E-14 9.002813784263179E-14 2.950154752190662E-14
tp 4.54501471102425E-15 -1.35653844368913E-13 6.764878238943848E-10 2.25126394992828E-12 1.987503596508502E-10 -3.772370332762112E-13
node 2.307891237268113E-14 -6.149387039278366E-14 2.25126394992828E-12 6.034500120946231E-10 -5.939319227435499E-10 -1.094001051926962E-11
peri -4.456643558226336E-14 9.002813784263179E-14 1.987503596508502E-10 -5.939319227435499E-10 6.559527066668865E-10 1.076013116400831E-11
i -1.082388255296895E-14 2.950154752190662E-14 -3.772370332762112E-13 -1.094001051926962E-11 1.076013116400831E-11 1.756392013951456E-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 15.5   n/a MPO360251  
diameter diameter 1.903 km 0.346 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.406   0.121 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

245437 (2005 JT142)          Discovered 2005-May-15 by NEAT at Palomar
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

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