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58394 (1995 UX20)
Classification: Main-belt Asteroid          SPK-ID: 2058394
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2022031437165486 4.3805e-08  
a 2.68689818689279 1.3961e-08 au
q 2.143598926656773 1.218e-07 au
i 3.983214145642346 4.5824e-06 deg
node 216.3767201557592 6.0024e-05 deg
peri 332.8789979446801 6.0854e-05 deg
M 143.9607048432622 1.1248e-05 deg
tp 2458753.195327466155
(2019-Sep-26.69532747)
4.773e-05 TDB
period 1608.70066845205
4.40
1.2538e-05
3.433e-08
d
yr
n .2237830859773341 1.7442e-09 deg/d
Q 3.230197447128806 1.6784e-08 au
  Orbit Determination Parameters
   # obs. used (total)      893  
   data-arc span      10809 days (29.59 yr)  
   first obs. used      1991-11-07  
   last obs. used      2021-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51793  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 14:26:23  

Additional Information
 Earth MOID = 1.14578 au 
 Jupiter MOID = 1.73567 au 
 T_jup = 3.341 
[ 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 14.91   n/a E2021B10  
diameter diameter 3.084 km 1.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 31.7477 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.245   0.176 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58394 (1995 UX20)          Discovered 1995-Oct-19 by Spacewatch at Kitt Peak
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1995 UX20 = 2000 YB69 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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