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 ]  
18581 Batllo (1997 XV8)
Classification: Main-belt Asteroid          SPK-ID: 2018581
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04587768745585232 2.2797e-08  
a 2.355601993174698 7.5369e-09 au
q 2.247532421161446 5.4602e-08 au
i 6.689850878464972 3.5947e-07 deg
node 309.3083619419434 1.5593e-06 deg
peri 225.9997634598124 1.3547e-05 deg
M 78.18307048234003 1.3862e-05 deg
tp 2458913.711641454734
(2020-Mar-05.21164145)
5.0983e-05 TDB
period 1320.539196521021
3.62
6.3378e-06
1.735e-08
d
yr
n .2726159139754616 1.3084e-09 deg/d
Q 2.463671565187949 7.8827e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2313  
   data-arc span      24420 days (66.86 yr)  
   first obs. used      1953-10-09  
   last obs. used      2020-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45622  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-17 01:57:00  

Additional Information
 Earth MOID = 1.25841 au 
 Jupiter MOID = 2.52691 au 
 T_jup = 3.544 
[ 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 13.8   n/a MPO416907  
diameter diameter 4.187 km 0.209 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.231   0.087 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18581 Batllo           Discovered 1997 Dec. 7 by the OCA-DLR Asteroid Survey at Caussols.
Valerie Batllo (b. 1967) works on cometary orbits at the Institut de Mécanique Céleste in Paris. She studies in particular how the short-period comets could be produced by encounters with the giant planets.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020427/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 1997 XV8 = 1991 EW8 = 1996 TZ58 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-10 13:09 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin