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46274 (2001 JU3)
Classification: Main-belt Asteroid          SPK-ID: 2046274
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 .2046175478427613 5.7089e-08  
a 2.701026249708749 1.6797e-08 au
q 2.148348881834415 1.5903e-07 au
i 10.57100631814549 5.0637e-06 deg
node 210.9928622674883 2.2869e-05 deg
peri 168.5205457677637 2.5247e-05 deg
M 248.2401947164537 1.3518e-05 deg
tp 2459103.855443762835
(2020-Sep-11.35544376)
6.4122e-05 TDB
period 1621.405471268288
4.44
1.5124e-05
4.141e-08
d
yr
n .2220295949281598 2.0711e-09 deg/d
Q 3.253703617583083 2.0233e-08 au
  Orbit Determination Parameters
   # obs. used (total)      814  
   data-arc span      14197 days (38.87 yr)  
   first obs. used      1980-10-10  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52457  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:11:16  

Additional Information
 Earth MOID = 1.15162 au 
 Jupiter MOID = 2.20938 au 
 T_jup = 3.313 
[ 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 14.3   n/a MPO436105  
diameter diameter 6.839 km 0.380 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 10.798 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.095   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46274 (2001 JU3)          Discovered 2001-May-15 by JPL/NEAT at Haleakala
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 JU3 = 1980 TW7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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