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190428 (1999 VS159)
Classification: Main-belt Asteroid          SPK-ID: 2190428
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2359594788901855 7.2036e-08  
a 2.795864749841237 1.8214e-08 au
q 2.13615396042126 1.9922e-07 au
i 8.354437421823432 7.9435e-06 deg
node 21.51294049840565 3.3383e-05 deg
peri 329.5452527727413 3.5834e-05 deg
M 210.7581630552686 1.7306e-05 deg
tp 2459908.381805401462
(2022-Nov-24.88180540)
8.6677e-05 TDB
period 1707.546993266372
4.68
1.6686e-05
4.568e-08
d
yr
n .2108287510795558 2.0602e-09 deg/d
Q 3.455575539261214 2.2512e-08 au
  Orbit Determination Parameters
   # obs. used (total)      362  
   data-arc span      7479 days (20.48 yr)  
   first obs. used      1999-10-02  
   last obs. used      2020-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56538  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:07:37  

Additional Information
 Earth MOID = 1.13425 au 
 Jupiter MOID = 2.00048 au 
 T_jup = 3.271 
[ 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 15.88   n/a E2021B55  
diameter diameter 4.144 km 0.259 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 61.792 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 0.045   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

190428 (1999 VS159)          Discovered 1999-Nov-14 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1992-May-26 03:25 < 00:01 Jupiter 1.98520366157321 1.98520304658326 1.98520427656383 2.27150794672324 2.0751898032449 2448768.642514459 0.685063857703297 250.660301821009 31.6912069794925 86.7682077729822 1357408.08501403 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 22:07:38 2021-Apr-13 22:07
2146-Nov-23 16:07 00:04 Jupiter 1.99163315334994 1.99163254356427 1.99163376313754 2.40203184754009 2.21792158240445 2505197.171791632 3.51043480012937 599.758616468826 27.5237663580811 88.1272277756943 1413838.62876788 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 22:07:38 2021-Apr-13 22:07
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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