Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
168546 (1999 VA189)
Classification: Main-belt Asteroid          SPK-ID: 2168546
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .1822526746693899 4.409e-08  
a 2.449368311125865 1.0908e-08 au
q 2.00296438517273 1.0918e-07 au
i 4.229255509621887 3.4785e-06 deg
node 102.7921928862166 7.2445e-05 deg
peri 290.0762556649914 7.3321e-05 deg
M 195.9551984167803 1.2057e-05 deg
tp 2459838.527710106998
(2022-Sep-16.02771011)
4.8175e-05 TDB
period 1400.166134017955
3.83
9.353e-06
2.561e-08
d
yr
n .2571123463520249 1.7175e-09 deg/d
Q 2.895772237079 1.2896e-08 au
  Orbit Determination Parameters
   # obs. used (total)      627  
   data-arc span      7518 days (20.58 yr)  
   first obs. used      1999-10-21  
   last obs. used      2020-05-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55745  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:36:14  

Additional Information
 Earth MOID = 1.01282 au 
 Jupiter MOID = 2.54296 au 
 T_jup = 3.470 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.06   n/a E2021B55  
rotation period rot_per 3.85304 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.]

168546 (1999 VA189)          Discovered 1999-Nov-15 by LINEAR at Socorro
Reference: 20071124/Numbers.arcLast Updated: 2007-11-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-14 12:30 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin