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 ]  
20868 (2000 VR39)
Classification: Main-belt Asteroid          SPK-ID: 2020868
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1992640332413451 4.2294e-08  
a 3.149186890049235 1.8098e-08 au
q 2.521667208907256 1.3012e-07 au
i 2.402999526123058 3.7897e-06 deg
node 288.4501096078856 0.00010781 deg
peri 65.91346525812108 0.00010826 deg
M 239.8707813986062 1.2352e-05 deg
tp 2459881.649168004269
(2022-Oct-29.14916800)
7.3596e-05 TDB
period 2041.249442362491
5.59
1.7597e-05
4.818e-08
d
yr
n .1763625711433606 1.5203e-09 deg/d
Q 3.776706571191215 2.1705e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1375  
   data-arc span      11137 days (30.49 yr)  
   first obs. used      1989-11-28  
   last obs. used      2020-05-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5443  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:33:05  

Additional Information
 Earth MOID = 1.51632 au 
 Jupiter MOID = 1.68539 au 
 T_jup = 3.176 
[ 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 13.79   n/a E2021B10  

20868 (2000 VR39)          Discovered 2000-Nov-01 by LINEAR at Socorro
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 VR39 = 1989 WW4 = 1997 EX20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-14 14:44 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin