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 ]  
237336 (2009 WC25)
Classification: Main-belt Asteroid          SPK-ID: 2237336
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2328017263798446 6.6905e-08  
a 3.169751574399368 4.1269e-08 au
q 2.431827935683965 2.1842e-07 au
i 24.83834554645493 7.784e-06 deg
node 151.2281156830583 1.0366e-05 deg
peri 330.9488337761425 1.466e-05 deg
M 280.9262598480422 1.0658e-05 deg
tp 2459453.257910179877
(2021-Aug-26.75791018)
6.6229e-05 TDB
period 2061.276567309561
5.64
4.0256e-05
1.102e-07
d
yr
n .1746490527808612 3.4108e-09 deg/d
Q 3.907675213114771 5.0877e-08 au
  Orbit Determination Parameters
   # obs. used (total)      315  
   data-arc span      7534 days (20.63 yr)  
   first obs. used      1999-02-12  
   last obs. used      2019-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51638  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 01:51:43  

Additional Information
 Earth MOID = 1.46847 au 
 Jupiter MOID = 1.23998 au 
 T_jup = 3.019 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457334.5 (2015-Nov-08.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2314954535996754 6.7477e-08  
q 2.437200642933422 2.2037e-07 au
tp 2457394.168860762023
(2016-Jan-06.66886076)
5.1552e-05 TDB
node 151.2925555426608 1.0356e-05 deg
peri 331.3658567309781 1.4611e-05 deg
i 24.84616649309586 7.7867e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      315  
   data-arc span      7534 days (20.63 yr)  
   first obs. used      1999-02-12  
   last obs. used      2019-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51638  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 01:51:43  

Additional Information
 Jupiter MOID = 1.23998 au 
 T_jup = 3.019 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.553111247245839E-15 -1.471516637789723E-14 1.203701993172396E-12 -1.529974534808775E-14 2.79326593268561E-13 -1.881972824717821E-14
q -1.471516637789723E-14 4.856221517370695E-14 -3.788248736671073E-12 4.861366983992042E-14 -8.906993470041123E-13 6.691145895332743E-14
tp 1.203701993172396E-12 -3.788248736671073E-12 2.65764155511409E-9 -4.101280958310836E-12 5.454276113648555E-10 -1.271805388326569E-11
node -1.529974534808775E-14 4.861366983992042E-14 -4.101280958310836E-12 1.072444804170967E-10 -9.772988493892739E-11 -1.871578350685184E-11
peri 2.79326593268561E-13 -8.906993470041123E-13 5.454276113648555E-10 -9.772988493892739E-11 2.134889269818158E-10 1.440136482756804E-11
i -1.881972824717821E-14 6.691145895332743E-14 -1.271805388326569E-11 -1.871578350685184E-11 1.440136482756804E-11 6.063255828871503E-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 15.4   n/a MPO494307  
diameter diameter 4.636 km 0.220 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

237336 (2009 WC25)          Discovered 2009-Nov-21 by Mayhill at Mayhill
Reference: 20100330/Numbers.arcLast Updated: 2010-04-05

[ 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 22:33 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin