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 ]  
52664 (1998 BA21)
Classification: Main-belt Asteroid          SPK-ID: 2052664
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08346912844471097 4.5328e-08  
a 2.869904587385906 2.0265e-08 au
q 2.630356152757327 1.3695e-07 au
i 3.166847981571434 4.7204e-06 deg
node 115.9780312182635 9.6361e-05 deg
peri 226.3297034579673 0.00010141 deg
M 263.299876198125 3.3077e-05 deg
tp 2459077.506331757479
(2020-Aug-16.00633176)
0.00016487 TDB
period 1775.822746458186
4.86
1.8809e-05
5.15e-08
d
yr
n .2027229354495019 2.1472e-09 deg/d
Q 3.109453022014485 2.1956e-08 au
  Orbit Determination Parameters
   # obs. used (total)      766  
   data-arc span      10083 days (27.61 yr)  
   first obs. used      1991-10-02  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59807  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:47:32  

Additional Information
 Earth MOID = 1.62227 au 
 Jupiter MOID = 2.21239 au 
 T_jup = 3.291 
[ 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 15.0   n/a MPO347879  

52664 (1998 BA21)          Discovered 1998-Jan-22 by Spacewatch at Kitt Peak
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 BA21 = 1996 VD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-19 13:32 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin