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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2038430834295658 4.6196e-08  
a 2.698647760963091 9.6512e-09 au
q 2.14854708027808 1.2267e-07 au
i 10.56430920635848 4.7669e-06 deg
node 210.9148736770299 1.5863e-05 deg
peri 168.8423644938406 1.8685e-05 deg
M 21.26273194574893 7.9083e-06 deg
tp 2459104.861161372350
(2020-Sep-12.36116137)
3.5554e-05 TDB
period 1619.264259823278
4.43
8.6864e-06
2.378e-08
d
yr
n .2223231926574415 1.1926e-09 deg/d
Q 3.248748441648101 1.1618e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1443  
   data-arc span      14764 days (40.42 yr)  
   first obs. used      1980-10-10  
   last obs. used      2021-03-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43922  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:47:32  

Additional Information
 Earth MOID = 1.15126 au 
 Jupiter MOID = 2.21765 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 14.40   n/a MPCxxxxx  
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. 2020-October); 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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