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 ]  
91923 (1999 VE38)
Classification: Main-belt Asteroid          SPK-ID: 2091923
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .209128812435579 5.3352e-08  
a 3.18835127638551 2.4913e-08 au
q 2.521575160327545 1.7272e-07 au
i 9.169745042956915 6.2402e-06 deg
node 219.738369430631 3.3238e-05 deg
peri 129.6813872088568 3.5955e-05 deg
M 249.8138779477928 1.4154e-05 deg
tp 2459636.961400682465
(2022-Feb-26.46140068)
8.6363e-05 TDB
period 2079.446122417534
5.69
2.4372e-05
6.673e-08
d
yr
n .1731230235393015 2.0291e-09 deg/d
Q 3.855127392443474 3.0123e-08 au
  Orbit Determination Parameters
   # obs. used (total)      558  
   data-arc span      7425 days (20.33 yr)  
   first obs. used      1999-10-02  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52044  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:39:39  

Additional Information
 Earth MOID = 1.52834 au 
 Jupiter MOID = 1.7137 au 
 T_jup = 3.143 
[ 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 14.5   n/a MPO299535  
diameter diameter 4.869 km 0.138 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.108   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91923 (1999 VE38)          Discovered 1999-Nov-10 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-24 10:12 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin