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 ]  
48809 (1997 VX4)
Classification: Main-belt Asteroid          SPK-ID: 2048809
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2616351099963331 3.8749e-08  
a 3.035488262030019 1.5793e-08 au
q 2.241297956701217 1.194e-07 au
i 1.252703883323084 3.9198e-06 deg
node 80.24612066945346 0.00023599 deg
peri 345.585767171889 0.00023621 deg
M 79.48649445882938 9.8533e-06 deg
tp 2458573.987163056579
(2019-Mar-31.48716306)
5.154e-05 TDB
period 1931.707044637138
5.29
1.5075e-05
4.127e-08
d
yr
n .1863636626472127 1.4544e-09 deg/d
Q 3.82967856735882 1.9925e-08 au
  Orbit Determination Parameters
   # obs. used (total)      965  
   data-arc span      8155 days (22.33 yr)  
   first obs. used      1997-10-04  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55354  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:14:14  

Additional Information
 Earth MOID = 1.25506 au 
 Jupiter MOID = 1.50319 au 
 T_jup = 3.188 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456845.5 (2014-Jul-07.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2610884236391571 3.8512e-08  
q 2.245305363257291 1.1859e-07 au
tp 2456644.765504255209
(2013-Dec-18.26550426)
4.8496e-05 TDB
node 80.26178093223101 0.00023571 deg
peri 346.119883435127 0.00023594 deg
i 1.253132616729375 3.9201e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      965  
   data-arc span      8155 days (22.33 yr)  
   first obs. used      1997-10-04  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55354  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:14:14  

Additional Information
 Jupiter MOID = 1.50319 au 
 T_jup = 3.188 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.483178052663571E-15 -4.545238598420342E-15 -7.894610908278114E-13 -1.461291075440336E-14 -2.061321127017752E-13 -5.468049627364963E-17
q -4.545238598420342E-15 1.406360716234476E-14 2.417540903160264E-12 4.583353292235428E-14 6.329911096442021E-13 1.728835718779375E-16
tp -7.894610908278114E-13 2.417540903160264E-12 2.351875356529299E-9 1.507457010756915E-11 5.406772200680051E-10 -7.05499531941797E-14
node -1.461291075440336E-14 4.583353292235428E-14 1.507457010756915E-11 5.556069099545229E-8 -5.554312481566616E-8 -1.419984630868418E-10
peri -2.061321127017752E-13 6.329911096442021E-13 5.406772200680051E-10 -5.554312481566616E-8 5.56680327013936E-8 1.419571176955259E-10
i -5.468049627364963E-17 1.728835718779375E-16 -7.05499531941797E-14 -1.419984630868418E-10 1.419571176955259E-10 1.536720870918243E-11

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 14.8   n/a MPO439425  
diameter diameter 6.054 km 0.598 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.037   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48809 (1997 VX4)          Discovered 1997-Nov-04 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ 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-25 19:48 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin