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 ]  
100518 (1997 BL)
Classification: Main-belt Asteroid          SPK-ID: 2100518
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 .1960347431425583 4.5e-08  
a 2.552280719721673 1.4203e-08 au
q 2.051945024403331 1.1945e-07 au
i 7.642564155231221 5.0551e-06 deg
node 100.0059902883739 2.7329e-05 deg
peri 13.90088534982734 2.9719e-05 deg
M 273.1993875550868 1.5145e-05 deg
tp 2459359.596667855718
(2021-May-25.09666786)
6.4766e-05 TDB
period 1489.330510312942
4.08
1.2432e-05
3.404e-08
d
yr
n .2417193480608653 2.0177e-09 deg/d
Q 3.052616415040014 1.6988e-08 au
  Orbit Determination Parameters
   # obs. used (total)      738  
   data-arc span      8256 days (22.60 yr)  
   first obs. used      1997-01-15  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54636  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:04:58  

Additional Information
 Earth MOID = 1.06939 au 
 Jupiter MOID = 2.06781 au 
 T_jup = 3.400 
[ 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 15.1   n/a MPO449610  

100518 (1997 BL)          Discovered 1997-Jan-16 by Kobayashi, T. at Oizumi
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1997 BL = 2001 BM2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-05 20:44 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin