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 ]  
305720 (2009 CM20)
Classification: Main-belt Asteroid          SPK-ID: 2305720
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2380677419050538 1.0931e-07  
a 2.309520256184193 1.8543e-08 au
q 1.759697983910441 2.5582e-07 au
i 2.845502467036454 6.8876e-06 deg
node 184.2730120781229 0.00014413 deg
peri 179.9856788683858 0.00014491 deg
M 188.4247132975523 1.821e-05 deg
tp 2459611.488903549470
(2022-Jan-31.98890355)
6.4182e-05 TDB
period 1281.979529250417
3.51
1.5439e-05
4.227e-08
d
yr
n .280815716465063 3.382e-09 deg/d
Q 2.859342528457945 2.2957e-08 au
  Orbit Determination Parameters
   # obs. used (total)      221  
   data-arc span      5204 days (14.25 yr)  
   first obs. used      2004-11-10  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54494  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:10:17  

Additional Information
 Earth MOID = .757638 au 
 Jupiter MOID = 2.60086 au 
 T_jup = 3.546 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457535.5 (2016-May-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2375228493500265 1.092e-07  
q 1.762047009770717 2.5533e-07 au
tp 2457044.872401267718
(2015-Jan-22.37240127)
7.1902e-05 TDB
node 184.2854548386481 0.00014423 deg
peri 179.6876580670024 0.00014502 deg
i 2.842187720526026 6.8799e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      221  
   data-arc span      5204 days (14.25 yr)  
   first obs. used      2004-11-10  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54494  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:10:17  

Additional Information
 Jupiter MOID = 2.60086 au 
 T_jup = 3.546 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.192452543831164E-14 -2.784155046330037E-14 5.541841767251792E-12 2.658416109642751E-13 6.57858547028387E-13 -1.954074304247874E-14
q -2.784155046330037E-14 6.519365898637502E-14 -1.323643320094202E-11 -6.209851541143105E-13 -1.595424615360714E-12 4.637349419262879E-14
tp 5.541841767251792E-12 -1.323643320094202E-11 5.169935707681254E-9 1.438387735642506E-10 1.062431503741823E-9 -1.461218350416485E-11
node 2.658416109642751E-13 -6.209851541143105E-13 1.438387735642506E-10 2.080368121958993E-8 -2.075234378633688E-8 4.549358211668854E-10
peri 6.57858547028387E-13 -1.595424615360714E-12 1.062431503741823E-9 -2.075234378633688E-8 2.103057027817492E-8 -4.575836710409213E-10
i -1.954074304247874E-14 4.637349419262879E-14 -1.461218350416485E-11 4.549358211668854E-10 -4.575836710409213E-10 4.733338850294348E-11

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 17.3   n/a MPO471210  

305720 (2009 CM20)          Discovered 2009-Feb-01 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-25 09:36 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin