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 ]  
17747 (1998 BJ42)
Classification: Main-belt Asteroid          SPK-ID: 2017747
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1709139543618129 3.6835e-08  
a 2.317611027055005 7.1381e-09 au
q 1.921498961748492 8.7565e-08 au
i 2.274544192354138 4.2415e-06 deg
node 155.8289485689907 8.8373e-05 deg
peri 317.9219955914946 8.9602e-05 deg
M 92.14450788782835 1.2397e-05 deg
tp 2458670.642620941976
(2019-Jul-06.14262094)
4.4192e-05 TDB
period 1288.722021343332
3.53
5.9538e-06
1.63e-08
d
yr
n .279346510758577 1.2906e-09 deg/d
Q 2.713723092361518 8.3581e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1214  
   data-arc span      9105 days (24.93 yr)  
   first obs. used      1995-02-24  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52011  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:11:15  

Additional Information
 Earth MOID = .938673 au 
 Jupiter MOID = 2.38708 au 
 T_jup = 3.559 
[ 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 15.5   n/a MPO458988  

17747 (1998 BJ42)          Discovered 1998-Jan-26 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 BJ42 = 1995 DD12 
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-07 01:51 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin