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 ]  
20966 (1978 VH5)
Classification: Main-belt Asteroid          SPK-ID: 2020966
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01654061141636449 3.3932e-08  
a 3.023986588255304 1.5679e-08 au
q 2.973968001170675 1.0857e-07 au
i 8.943214695431569 3.9131e-06 deg
node 248.7462254799972 2.3936e-05 deg
peri 226.944289722816 0.00013017 deg
M 312.5165292362618 0.00012737 deg
tp 2459453.842570629667
(2021-Aug-27.34257063)
0.00067942 TDB
period 1920.738395061243
5.26
1.4938e-05
4.09e-08
d
yr
n .1874279188283323 1.4577e-09 deg/d
Q 3.074005175339933 1.5939e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1722  
   data-arc span      15466 days (42.34 yr)  
   first obs. used      1978-11-05  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50771  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:35:23  

Additional Information
 Earth MOID = 1.9971 au 
 Jupiter MOID = 1.99829 au 
 T_jup = 3.227 
[ 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 13.62   n/a E2021B10  
diameter diameter 7.010 km 0.284 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.172   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20966 (1978 VH5)          Discovered 1978-Nov-07 by Helin, E. F., Bus, S. J. at Palomar
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1978 VH5 = 1998 QT71 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-21 12:34 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin