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JPL Small-Body Database Browser
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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2038238768141373 5.7064e-08  
a 2.69860005717923 1.6865e-08 au
q 2.148560931554107 1.5881e-07 au
i 10.564398902865 5.0605e-06 deg
node 210.9153121094642 2.2903e-05 deg
peri 168.8082726660262 2.5304e-05 deg
M 336.8192748202167 1.4183e-05 deg
tp 2459104.763123696845
(2020-Sep-12.26312370)
6.4472e-05 TDB
period 1619.221324602896
4.43
1.5179e-05
4.156e-08
d
yr
n .2223290877720424 2.0842e-09 deg/d
Q 3.248639182804352 2.0302e-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 = 1.15258 au 
 Jupiter MOID = 2.21666 au 
 T_jup = 3.314 
[ 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-August); 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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