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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 | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2077767530630545 3.3341e-08  
a 2.24540853654759 6.9732e-09 au
q 1.778864841523667 7.444e-08 au
i 7.142293932712449 4.162e-06 deg
node 217.9845599604455 3.0765e-05 deg
peri 148.0554699321576 3.2559e-05 deg
M 330.2484291112253 1.0131e-05 deg
tp 2458702.066124616166
(2019-Aug-06.56612462)
3.4742e-05 TDB
period 1228.97056422709
3.36
5.7249e-06
1.567e-08
d
yr
n .2929280899631693 1.3646e-09 deg/d
Q 2.711952231571514 8.4221e-09 au
  Orbit Determination Parameters
   # obs. used (total)      876  
   data-arc span      13500 days (36.96 yr)  
   first obs. used      1982-11-14  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54943  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:27:49  

Additional Information
 Earth MOID = .781887 au 
 Jupiter MOID = 2.7665 au 
 T_jup = 3.593 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO439411  
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. 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 0.265   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

[ show close-approach data ]
Alternate Designations
 1992 UJ1 = 1982 VH3 = 2000 AZ173 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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