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 ]  
16820 (1997 VA3)
Classification: Main-belt Asteroid          SPK-ID: 2016820
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08903311459712396 8.6909e-09  
a 2.268503457842052 6.6684e-09 au
q 2.066531529516029 2.2558e-08 au
i 2.861624831585767 8.3732e-07 deg
node 270.7454354181284 1.1551e-05 deg
peri 17.27009203713258 1.8684e-05 deg
M 28.41392464566804 1.4852e-05 deg
tp 2459101.999979959762
(2020-Sep-09.49997996)
5.1451e-05 TDB
period 1247.979913253266
3.42
5.5027e-06
1.507e-08
d
yr
n .2884661813678898 1.2719e-09 deg/d
Q 2.470475386168076 7.2621e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2005  
   data-arc span      10973 days (30.04 yr)  
   first obs. used      1990-10-26  
   last obs. used      2020-11-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48744  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:43:11  

Additional Information
 Earth MOID = 1.04843 au 
 Jupiter MOID = 2.63614 au 
 T_jup = 3.607 
[ 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 14.38   n/a E2021B10  
diameter diameter 4.055 km 0.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.293   0.115 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

16820 (1997 VA3)          Discovered 1997-Nov-06 by Stafford, T. at Zeno
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 VA3 = 1993 PA9 
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-16 09:20 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin