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 ]  
441240 (2007 VK221)
Classification: Main-belt Asteroid          SPK-ID: 2441240
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2211442204364197 1.1054e-07  
a 2.626917403401419 2.8399e-08 au
q 2.045989802075348 3.0532e-07 au
i 1.189564926932049 5.2447e-06 deg
node 250.3556325929536 0.00043104 deg
peri 89.761432428077 0.00043717 deg
M 24.79022596736671 4.6614e-05 deg
tp 2458893.410710257452
(2020-Feb-13.91071026)
0.00020067 TDB
period 1555.134848632139
4.26
2.5218e-05
6.904e-08
d
yr
n .2314911792483127 3.7538e-09 deg/d
Q 3.207845004727489 3.4679e-08 au
  Orbit Determination Parameters
   # obs. used (total)      107  
   data-arc span      9049 days (24.77 yr)  
   first obs. used      1994-09-12  
   last obs. used      2019-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5147  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:41:54  

Additional Information
 Earth MOID = 1.03783 au 
 Jupiter MOID = 2.19788 au 
 T_jup = 3.366 
[ 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 18.1   n/a MPO477080  

441240 (2007 VK221)          Discovered 2007-Nov-12 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

Alternate Designations
 2007 VK221 = 1994 RW6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-04 18:16 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin