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15454 (1998 YB3)
Classification: Main-belt Asteroid          SPK-ID: 2015454
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2089230786441552 1.8722e-08  
a 2.868359290762225 1.3038e-08 au
q 2.269092837078616 5.3147e-08 au
i 14.20988529366098 8.5143e-07 deg
node 290.0735386014185 1.401e-06 deg
peri 294.9749934078156 5.5733e-06 deg
M 92.11435392780001 5.3309e-06 deg
tp 2458746.481487258458
(2019-Sep-19.98148726)
2.4594e-05 TDB
period 1774.388655160801
4.86
1.2098e-05
3.312e-08
d
yr
n .2028867795975486 1.3833e-09 deg/d
Q 3.467625744445835 1.5762e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2092  
   data-arc span      14939 days (40.90 yr)  
   first obs. used      1980-02-19  
   last obs. used      2021-01-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43172  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:59:11  

Additional Information
 Earth MOID = 1.29914 au 
 Jupiter MOID = 1.80428 au 
 T_jup = 3.222 
[ 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 13.02   n/a E2021B10  
diameter diameter 15.826 km 0.071 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 14.0922 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 0.046   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15454 (1998 YB3)          Discovered 1998-Dec-17 by Kobayashi, T. at Oizumi
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1998 YB3 = 1980 DF = 1981 NK = 1991 ND8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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