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 ]  
17747 (1998 BJ42)
Classification: Main-belt Asteroid          SPK-ID: 2017747
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1699288027902693 2.6267e-08  
a 2.319682965576781 6.046e-09 au
q 1.925502016383337 6.0815e-08 au
i 2.275928325536409 3.4209e-06 deg
node 155.7863010216278 8.5285e-05 deg
peri 318.1394066739126 8.6142e-05 deg
M 202.5036993469763 1.1933e-05 deg
tp 2459961.058867678981
(2023-Jan-16.55886768)
4.3787e-05 TDB
period 1290.45057897702
3.53
5.0451e-06
1.381e-08
d
yr
n .2789723263058885 1.0907e-09 deg/d
Q 2.713863914770225 7.0733e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1426  
   data-arc span      9612 days (26.32 yr)  
   first obs. used      1995-02-24  
   last obs. used      2021-06-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50612  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 13:59:09  

Additional Information
 Earth MOID = .943048 au 
 Jupiter MOID = 2.38557 au 
 T_jup = 3.558 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.48   n/a E2021B10  

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

Alternate Designations
 1998 BJ42 = 1995 DD12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Aug-04 10:25 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin