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131352 (2001 JA1)
Classification: Main-belt Asteroid          SPK-ID: 2131352
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 .14911421508805 4.489e-08  
a 3.145613770757417 2.3676e-08 au
q 2.676558042360763 1.3627e-07 au
i 4.234453030021029 5.5492e-06 deg
node 219.8432853024505 5.5182e-05 deg
peri 91.99253049707337 5.8216e-05 deg
M 91.13304910347867 1.9487e-05 deg
tp 2458484.642293172622
(2019-Jan-01.14229317)
0.00010936 TDB
period 2037.776375143444
5.58
2.3006e-05
6.299e-08
d
yr
n .1766631532248767 1.9945e-09 deg/d
Q 3.614669499154071 2.7206e-08 au
  Orbit Determination Parameters
   # obs. used (total)      679  
   data-arc span      8124 days (22.24 yr)  
   first obs. used      1997-11-06  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52213  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:13:06  

Additional Information
 Earth MOID = 1.66677 au 
 Jupiter MOID = 1.68058 au 
 T_jup = 3.188 
[ show covariance matrix ]

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 14.7   n/a MPO436639  
diameter diameter 6.468 km 0.139 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

131352 (2001 JA1)          Discovered 2001-May-11 by Sarounova, L. at Ondrejov
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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