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 ]  
26436 (1999 YV4)
Classification: Main-belt Asteroid          SPK-ID: 2026436
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09810051096795501 4.3128e-08  
a 2.25345138962405 8.4649e-09 au
q 2.032386656860483 9.8264e-08 au
i 2.339515416287427 3.681e-06 deg
node 294.0995637005284 0.00010855 deg
peri 261.0233215148691 0.00011023 deg
M 183.1195572081001 2.1051e-05 deg
tp 2459207.582947489858
(2020-Dec-24.08294749)
7.3553e-05 TDB
period 1235.57956802196
3.38
6.962e-06
1.906e-08
d
yr
n .2913612440001125 1.6417e-09 deg/d
Q 2.474516122387618 9.2953e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1240  
   data-arc span      14947 days (40.92 yr)  
   first obs. used      1978-11-28  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55543  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 04:53:10  

Additional Information
 Earth MOID = 1.03294 au 
 Jupiter MOID = 2.49125 au 
 T_jup = 3.618 
[ 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 15.2   n/a MPO416973  
diameter diameter 2.570 km 0.324 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.293   0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26436 (1999 YV4)          Discovered 1999-Dec-28 by Hug, G., Bell, G. at Farpoint
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 YV4 = 1978 WL21 = 1998 RJ32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin