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JPL Small-Body Database Browser
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59168 (1998 YU19)
Classification: Main-belt Asteroid          SPK-ID: 2059168
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1573491144965822 3.1601e-08  
a 2.325274565415935 8.038e-09 au
q 1.959394671586312 7.4993e-08 au
i 1.720905123504528 3.9196e-06 deg
node 65.16995578627129 0.00012074 deg
peri 50.53861100917551 0.00012145 deg
M 10.64787689786943 1.2822e-05 deg
tp 2458962.193690840304
(2020-Apr-22.69369084)
4.6091e-05 TDB
period 1295.119339729596
3.55
6.7154e-06
1.839e-08
d
yr
n .2779666621881835 1.4413e-09 deg/d
Q 2.691154459245557 9.3027e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1024  
   data-arc span      8687 days (23.78 yr)  
   first obs. used      1996-04-17  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49331  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:43:49  

Additional Information
 Earth MOID = .976294 au 
 Jupiter MOID = 2.39739 au 
 T_jup = 3.557 
[ 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 MPO347915  
diameter diameter 2.067 km 0.201 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 17.6 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:
[Molnar, L.; Pal, A.; Sarneczky, K.; Szabo, R.; et al. (2017) ArXiv:170606056v1]
geometric albedo albedo 0.286   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59168 (1998 YU19)          Discovered 1998-Dec-25 by Spacewatch at Kitt Peak
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 YU19 = 1996 HW11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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