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 ]  
181976 (1999 VK45)
Classification: Main-belt Asteroid          SPK-ID: 2181976
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1644357110023744 3.1602e-08  
a 2.336380818443675 7.7399e-09 au
q 1.95219637739058 7.5749e-08 au
i 2.115961508989957 4.4901e-06 deg
node 317.3430335465307 8.9769e-05 deg
peri 83.12055949344186 9.0956e-05 deg
M 325.596879588568 1.5311e-05 deg
tp 2459325.154858382178
(2021-Apr-20.65485838)
5.5804e-05 TDB
period 1304.409265232578
3.57
6.4818e-06
1.775e-08
d
yr
n .2759870000891256 1.3714e-09 deg/d
Q 2.72056525949677 9.0126e-09 au
  Orbit Determination Parameters
   # obs. used (total)      616  
   data-arc span      7729 days (21.16 yr)  
   first obs. used      1999-10-10  
   last obs. used      2020-12-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51415  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:32:50  

Additional Information
 Earth MOID = .960584 au 
 Jupiter MOID = 2.68579 au 
 T_jup = 3.548 
[ 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 16.71   n/a E2021B55  

181976 (1999 VK45)          Discovered 1999-Nov-04 by CSS at Catalina
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-07 20:53 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin