Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
25400 (1999 VU20)
Classification: Main-belt Asteroid          SPK-ID: 2025400
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08265561178384009 6.1117e-08  
a 2.250140103345898 1.3519e-08 AU
q 2.064153396504489 1.3736e-07 AU
i 4.089113399026711 5.887e-06 deg
node 48.10955204795923 8.0646e-05 deg
peri 106.7104653061638 8.864e-05 deg
M 84.80992347727467 3.606e-05 deg
tp 2456710.059659367522
(2014-Feb-21.55965937)
0.00012326 JED
period 1232.857174499268
3.38
1.1111e-05
3.042e-08
d
yr
n .2920046274997069 2.6316e-09 deg/d
Q 2.436126810187306 1.4637e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1054  
   data-arc span      11550 days (31.62 yr)  
   first obs. used      1982-11-09  
   last obs. used      2014-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52617  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:52:16  

Additional Information
 Earth MOID = 1.07871 AU 
 T_jup = 3.620 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3 mag n/a MPO279779  

25400 (1999 VU20)          Discovered 1999-Nov-09 by Shimizu, Y., Urata, T. at Nachi-Katsuura (905)
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 VU20 = 1982 VB9 = 1987 DF7 = 1992 UV7 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Nov-01 09:08 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin