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 ]  
442998 (2013 CR181)
Classification: Main-belt Asteroid          SPK-ID: 2442998
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2224555984899062 2.4151e-07  
a 2.522679307097213 2.6721e-08 au
q 1.9614951720388 6.237e-07 au
i 5.364082006547418 3.6702e-05 deg
node 330.0446086757758 7.5343e-05 deg
peri 92.34109397612221 0.00034676 deg
M 254.9958574111654 0.00031377 deg
tp 2459027.369795822423
(2020-Jun-26.86979582)
0.0012712 TDB
period 1463.495846043058
4.01
2.3253e-05
6.366e-08
d
yr
n .2459863490377192 3.9083e-09 deg/d
Q 3.083863442155625 3.2665e-08 au
  Orbit Determination Parameters
   # obs. used (total)      144  
   data-arc span      8230 days (22.53 yr)  
   first obs. used      1997-02-07  
   last obs. used      2019-08-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61536  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:44:14  

Additional Information
 Earth MOID = .982937 au 
 Jupiter MOID = 2.28033 au 
 T_jup = 3.414 
[ 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 17.4   n/a MPO262731  

442998 (2013 CR181)          Discovered 1997-Feb-07 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2013 CR181 = 1997 CF21 = 2005 ED59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin