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 ]  
213047 (1998 SJ75)
Classification: Main-belt Asteroid          SPK-ID: 2213047
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2870000940856239 4.2816e-08  
a 2.740899524858898 2.1587e-08 au
q 1.954261103345153 1.1839e-07 au
i 15.36649470906493 6.472e-06 deg
node 33.98617664868593 2.1307e-05 deg
peri 51.21050510253058 2.528e-05 deg
M 283.0593656257188 1.5877e-05 deg
tp 2459554.734912729773
(2021-Dec-06.23491273)
7.5989e-05 TDB
period 1657.441085842484
4.54
1.958e-05
5.361e-08
d
yr
n .2172022903710091 2.566e-09 deg/d
Q 3.527537946372644 2.7782e-08 au
  Orbit Determination Parameters
   # obs. used (total)      329  
   data-arc span      7953 days (21.77 yr)  
   first obs. used      1998-09-21  
   last obs. used      2020-06-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6245  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:41:08  

Additional Information
 Earth MOID = 1.0055 au 
 Jupiter MOID = 1.9743 au 
 T_jup = 3.239 
[ 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 15.77   n/a E2021B55  

213047 (1998 SJ75)          Discovered 1998-Sep-21 by Elst, E. W. at La Silla
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 1998 SJ75 = 2004 CW2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-07 14:40 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin