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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
344327 (2001 VR38)
Classification: Main-belt Asteroid          SPK-ID: 2344327
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1045169546602117 6.178e-08  
a 2.374796665352115 1.6984e-08 au
q 2.126590149952286 1.5463e-07 au
i 7.354247944345513 6.2771e-06 deg
node 53.20906230781578 4.006e-05 deg
peri 359.2984207519511 4.9681e-05 deg
M 28.26843620351799 2.8936e-05 deg
tp 2458895.536729085391
(2020-Feb-16.03672909)		 0.00010705 TDB
period 1336.712694583251
3.66		 1.4339e-05
3.926e-08		 d
yr
n .2693174093870919 2.8891e-09 deg/d
Q 2.623003180751943 1.8759e-08 au
   Orbit Determination Parameters
   # obs. used (total)      243  
   data-arc span      6669 days (18.26 yr)  
   first obs. used      2001-10-24  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55335  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:02:30  

Additional Information
 Earth MOID = 1.13755 au 
 Jupiter MOID = 2.69574 au 
 T_jup = 3.524 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457730.5 (2016-Dec-08.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1040654141024594 6.1845e-08  
q 2.127392686765899 1.5475e-07 au
tp 2457555.514028399935
(2016-Jun-16.01402840)		 0.00010338 TDB
node 53.22281922456125 4.0063e-05 deg
peri 358.4747000882038 4.9762e-05 deg
i 7.355035441491338 6.2781e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      243  
   data-arc span      6669 days (18.26 yr)  
   first obs. used      2001-10-24  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55335  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:02:30  

Additional Information
 Jupiter MOID = 2.69574 au 
 T_jup = 3.524 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.824848942283489E-15 -9.535027306078447E-15 -1.2014196879033E-12 -2.657026843516836E-14 -2.662081370467111E-13 -1.164470456063214E-14
q -9.535027306078447E-15 2.394837105398698E-14 3.205588987460274E-12 6.91236154795359E-14 7.278948866811868E-13 2.939531670489767E-14
tp -1.2014196879033E-12 3.205588987460274E-12 1.068842186496518E-8 7.50718325934876E-11 3.071098483115004E-9 3.276072985592812E-12
node -2.657026843516836E-14 6.91236154795359E-14 7.50718325934876E-11 1.605051691400079E-9 -1.569106675266422E-9 -6.09170231805091E-11
peri -2.662081370467111E-13 7.278948866811868E-13 3.071098483115004E-9 -1.569106675266422E-9 2.476261486395228E-9 6.112483059264008E-11
i -1.164470456063214E-14 2.939531670489767E-14 3.276072985592812E-12 -6.09170231805091E-11 6.112483059264008E-11 3.941476469768645E-11

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.9   n/a MPO450303  

344327 (2001 VR38)          Discovered 2001-Nov-09 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-04 13:25 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin