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441928 (2010 JT31)
Classification: Main-belt Asteroid          SPK-ID: 2441928
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .217039420061106 5.7611e-08  
a 2.626660804871404 3.3929e-08 au
q 2.056571867084876 1.5163e-07 au
i 13.17272636135496 1.7191e-05 deg
node 139.8118852061458 1.9619e-05 deg
peri 103.5041752123606 4.6312e-05 deg
M 22.31752867031066 3.642e-05 deg
tp 2458504.106440459005
(2019-Jan-20.60644046)
0.00015799 TDB
period 1554.906994739173
4.26
3.0127e-05
8.248e-08
d
yr
n .2315251016414573 4.4859e-09 deg/d
Q 3.196749742657931 4.1293e-08 au
  Orbit Determination Parameters
   # obs. used (total)      134  
   data-arc span      6790 days (18.59 yr)  
   first obs. used      2001-02-21  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45061  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 15:59:34  

Additional Information
 Earth MOID = 1.09007 au 
 Jupiter MOID = 2.01279 au 
 T_jup = 3.332 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.2   n/a MPO434640  
diameter diameter 2.299 km 0.119 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.030   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

441928 (2010 JT31)          Discovered 2010-May-05 by OAM at La Sagra
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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