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 ]  
21895 (1999 VA5)
Classification: Main-belt Asteroid          SPK-ID: 2021895
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1949361608233858 3.9065e-08  
a 3.161370012544724 1.8338e-08 au
q 2.545104679357077 1.2537e-07 au
i 4.158953169589759 4.4106e-06 deg
node 45.61644773480565 5.5153e-05 deg
peri 329.9097928075681 5.6048e-05 deg
M 296.8350432776145 1.2372e-05 deg
tp 2459560.734350617768
(2021-Dec-12.23435062)
7.2675e-05 TDB
period 2053.106230918017
5.62
1.7864e-05
4.891e-08
d
yr
n .1753440686987888 1.5257e-09 deg/d
Q 3.777635345732371 2.1913e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1243  
   data-arc span      13831 days (37.87 yr)  
   first obs. used      1982-09-28  
   last obs. used      2020-08-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53478  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:54:49  

Additional Information
 Earth MOID = 1.5462 au 
 Jupiter MOID = 1.68692 au 
 T_jup = 3.171 
[ 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 13.8   n/a MPO347691  
diameter diameter 10.627 km 0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

21895 (1999 VA5)          Discovered 1999-Nov-05 by Korlevic, K. at Visnjan
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 VA5 = 1982 SX11 = 1997 JQ4 
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-20 11:04 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin