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46587 (1992 UJ1)
Classification: Main-belt Asteroid          SPK-ID: 2046587
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2080616677013535 3.1727e-08  
a 2.245648371814297 6.265e-09 au
q 1.778415026503785 7.0035e-08 au
i 7.141951971974154 3.9709e-06 deg
node 217.972015228275 2.6263e-05 deg
peri 148.0923970967342 2.7919e-05 deg
M 145.9410933447082 9.0482e-06 deg
tp 2458702.205431357538
(2019-Aug-06.70543136)
3.0333e-05 TDB
period 1229.167471615292
3.37
5.1437e-06
1.408e-08
d
yr
n .2928811641321026 1.2256e-09 deg/d
Q 2.712881717124809 7.5685e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1106  
   data-arc span      14009 days (38.35 yr)  
   first obs. used      1982-11-14  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51375  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:39:20  

Additional Information
 Earth MOID = .780775 au 
 Jupiter MOID = 2.77001 au 
 T_jup = 3.592 
[ 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 15.68   n/a MPCxxxxx  
diameter diameter 2.149 km 0.237 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 45.189 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 0.265   0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46587 (1992 UJ1)          Discovered 1992-Oct-22 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1992 UJ1 = 1982 VH3 = 2000 AZ173 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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