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 ]  
4137 Crabtree (1970 WC)
Classification: Main-belt Asteroid          SPK-ID: 2004137
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01783366397099705 3.6416e-08  
a 2.365360134866304 7.2347e-09 au
q 2.323177097050706 8.5957e-08 au
i 3.799803739732445 4.256e-06 deg
node 352.8763214917236 5.2808e-05 deg
peri 214.9318240563554 0.00012109 deg
M 69.03282803625505 0.00010869 deg
tp 2458745.701128031728
(2019-Sep-19.20112803)
0.00040134 TDB
period 1328.753239841255
3.64
6.0962e-06
1.669e-08
d
yr
n .2709306658345451 1.243e-09 deg/d
Q 2.407543172681902 7.3637e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2581  
   data-arc span      24132 days (66.07 yr)  
   first obs. used      1954-05-23  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41525  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:05:47  

Additional Information
 Earth MOID = 1.31855 au 
 Jupiter MOID = 2.55346 au 
 T_jup = 3.545 
[ 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 13.1   n/a MPO384790  
diameter diameter 6.544 km 0.952 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.230   0.110 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

4137 Crabtree           Discovered 1970 Nov. 24 by L. Kohoutek at Bergedorf.
William Crabtree (1610-1644), a cloth merchant in Salford, near Manchester, became the second person knowingly to observe a transit of Venus, after he had been alerted to the 1639 event by Jeremiah Horrocks.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050919/MPCPages.arcLast Updated: 2005-09-26

[ show close-approach data ]
Alternate Designations
 1970 WC = 1972 GK1 = 1977 RO6 = 1986 AV1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-04 13:39 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin