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 ]  
85801 (1998 VL54)
Classification: Main-belt Asteroid          SPK-ID: 2085801
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1785107626476425 4.138e-08  
a 2.592783937723679 1.9307e-08 au
q 2.129944099620068 1.1142e-07 au
i 10.61044468636999 6.7903e-06 deg
node 294.0113435921604 2.5471e-05 deg
peri 85.07510002895442 3.5115e-05 deg
M 346.3084861173297 2.702e-05 deg
tp 2458658.495846080941
(2019-Jun-23.99584608)
0.00011489 TDB
period 1524.923012024632
4.18
1.7033e-05
4.663e-08
d
yr
n .2360774918872986 2.6369e-09 deg/d
Q 3.055623775827291 2.2754e-08 au
  Orbit Determination Parameters
   # obs. used (total)      559  
   data-arc span      7647 days (20.94 yr)  
   first obs. used      1998-11-14  
   last obs. used      2019-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53632  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 10:14:40  

Additional Information
 Earth MOID = 1.16232 au 
 Jupiter MOID = 2.5437 au 
 T_jup = 3.372 
[ 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 15.3   n/a MPO351444  
diameter diameter 2.388 km 0.305 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.235   0.095 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85801 (1998 VL54)          Discovered 1998-Nov-14 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1998 VL54 = 2002 SM53 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin