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19278 (1995 YN)
Classification: Main-belt Asteroid          SPK-ID: 2019278
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07814846448960212 2.9819e-08  
a 3.035856068843653 1.6752e-08 au
q 2.798608578652082 9.6298e-08 au
i 16.18129044108293 5.0152e-07 deg
node 100.6402996933373 6.2811e-06 deg
peri 327.9732019742229 2.6494e-05 deg
M 287.8378584316553 2.3318e-05 deg
tp 2459587.781815847691
(2022-Jan-08.28181585)
0.00012642 TDB
period 1932.058149537078
5.29
1.5992e-05
4.378e-08
d
yr
n .1863297955531287 1.5423e-09 deg/d
Q 3.273103559035225 1.8061e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1832  
   data-arc span      9160 days (25.08 yr)  
   first obs. used      1995-12-19  
   last obs. used      2021-01-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46201  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:50:26  

Additional Information
 Earth MOID = 1.82528 au 
 Jupiter MOID = 1.96439 au 
 T_jup = 3.177 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457194.5 (2015-Jun-21.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08051896094638811 3.0552e-08  
q 2.792929054074302 9.8856e-08 au
tp 2457634.307844860887
(2016-Sep-02.80784486)
0.00011307 TDB
node 100.7454288347075 6.3034e-06 deg
peri 324.4571613447436 2.5214e-05 deg
i 16.15849569602515 4.9954e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      1832  
   data-arc span      9160 days (25.08 yr)  
   first obs. used      1995-12-19  
   last obs. used      2021-01-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46201  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:50:26  

Additional Information
 Jupiter MOID = 1.96439 au 
 T_jup = 3.177 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.334298696853235E-16 -2.987226166903217E-15 -1.619129930968969E-12 9.356996687497516E-14 -3.140801565356013E-13 4.886463618631356E-15
q -2.987226166903217E-15 9.772487390509684E-15 5.513000621114355E-12 -3.128397159017222E-13 1.076555093882129E-12 -1.667267393956038E-14
tp -1.619129930968969E-12 5.513000621114355E-12 1.278392703137117E-8 -4.475124536038432E-10 2.796108248455003E-9 -2.586702898689853E-11
node 9.356996687497516E-14 -3.128397159017222E-13 -4.475124536038432E-10 3.973282751945195E-11 -1.174442771948885E-10 1.901893417488088E-13
peri -3.140801565356013E-13 1.076555093882129E-12 2.796108248455003E-9 -1.174442771948885E-10 6.357219327037895E-10 -4.568832108849612E-12
i 4.886463618631356E-15 -1.667267393956038E-14 -2.586702898689853E-11 1.901893417488088E-13 -4.568832108849612E-12 2.495367536918696E-13

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 13.06   n/a E2021B10  
diameter diameter 9.731 km 0.157 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 30.650 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.141   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19278 (1995 YN)          Discovered 1995-Dec-19 by Kobayashi, T. at Oizumi
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 YN = 1999 SZ8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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