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JPL Small-Body Database Browser
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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2079395616414725 3.1856e-08  
a 2.245743591271498 6.3079e-09 au
q 1.778764653343357 7.0382e-08 au
i 7.141732007148325 4.0997e-06 deg
node 217.981005860063 2.7034e-05 deg
peri 148.083197013566 2.8879e-05 deg
M 87.37960778335899 9.329e-06 deg
tp 2458702.136103244233
(2019-Aug-06.63610324)
3.1587e-05 TDB
period 1229.245650751616
3.37
5.1791e-06
1.418e-08
d
yr
n .2928625371014164 1.2339e-09 deg/d
Q 2.71272252919964 7.6195e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1055  
   data-arc span      13593 days (37.22 yr)  
   first obs. used      1982-11-14  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51177  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:31:02  

Additional Information
 Earth MOID = .782619 au 
 Jupiter MOID = 2.76911 au 
 T_jup = 3.592 
[ 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-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 0.265   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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