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 ]  
305391 (2008 CP57)
Classification: Main-belt Asteroid          SPK-ID: 2305391
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09986104858593164 6.4971e-08  
a 3.141504688157757 4.9535e-08 au
q 2.827790735860703 1.9642e-07 au
i 12.67284515655852 6.9815e-06 deg
node 151.0963665310074 3.5755e-05 deg
peri 178.541270960132 5.4199e-05 deg
M 239.7204158130502 4.1188e-05 deg
tp 2459680.007746926760
(2022-Apr-10.50774693)
0.00023836 TDB
period 2033.784790221905
5.57
4.8103e-05
1.317e-07
d
yr
n .1770098791823104 4.1866e-09 deg/d
Q 3.455218640454811 5.4482e-08 au
  Orbit Determination Parameters
   # obs. used (total)      133  
   data-arc span      5817 days (15.93 yr)  
   first obs. used      2004-05-19  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66116  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 19:59:22  

Additional Information
 Earth MOID = 1.81686 au 
 Jupiter MOID = 1.91713 au 
 T_jup = 3.165 
[ 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 16.3   n/a MPO433967  

305391 (2008 CP57)          Discovered 2008-Feb-07 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2008 CP57 = 2004 LQ27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jun-01 00:27 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin