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 ]  
185785 (1999 VY18)
Classification: Main-belt Asteroid          SPK-ID: 2185785
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03463413407458913 6.4321e-08  
a 3.167827187789078 4.2155e-08 au
q 3.058112236242062 2.2027e-07 au
i 8.05208731589854 7.2285e-06 deg
node 224.7955976174408 4.6217e-05 deg
peri 94.97514579021274 0.00011455 deg
M 306.3109694331546 0.00010695 deg
tp 2459307.631040480946
(2021-Apr-03.13104048)
0.00061403 TDB
period 2059.399721056223
5.64
4.1108e-05
1.125e-07
d
yr
n .1748082202397131 3.4894e-09 deg/d
Q 3.277542139336093 4.3616e-08 au
  Orbit Determination Parameters
   # obs. used (total)      247  
   data-arc span      7150 days (19.58 yr)  
   first obs. used      1999-10-13  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54191  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:53:03  

Additional Information
 Earth MOID = 2.05972 au 
 Jupiter MOID = 1.83585 au 
 T_jup = 3.187 
[ 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 15.5   n/a MPO436917  

185785 (1999 VY18)          Discovered 1999-Nov-02 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-23 09:15 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin