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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
173309 (1999 VK22)
Classification: Mars-crossing Asteroid          SPK-ID: 2173309
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3200736271697954 3.8232e-08  
a 2.431753591632585 6.8802e-09 au
q 1.653413399175566 9.2295e-08 au
i 7.677763997789686 4.001e-06 deg
node 242.9980559276591 3.1916e-05 deg
peri 133.2761759071919 3.2839e-05 deg
M 56.56708258865828 5.015e-06 deg
tp 2458382.859830261570
(2018-Sep-21.35983026)
1.9306e-05 TDB
period 1385.089304951073
3.79
5.8783e-06
1.609e-08
d
yr
n .2599110387418064 1.1031e-09 deg/d
Q 3.210093784089604 9.0824e-09 au
  Orbit Determination Parameters
   # obs. used (total)      775  
   data-arc span      9545 days (26.13 yr)  
   first obs. used      1992-12-21  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47045  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:22:02  

Additional Information
 Earth MOID = .666368 au 
 Jupiter MOID = 2.29986 au 
 T_jup = 3.423 
[ 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 16.1   n/a MPO459805  
diameter diameter 2.602 km 0.610 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.095   0.075 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

173309 (1999 VK22)          Discovered 1999-Nov-13 by Juels, C. W. at Fountain Hills
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-13 10:56 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin