Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01822364370357686 5.7246e-08  
a 2.364394269818722 1.2835e-08 AU
q 2.321306391070767 1.3776e-07 AU
i 3.800224491045685 6.5931e-06 deg
node 352.92956150084 7.0162e-05 deg
peri 213.2582521762788 0.00017294 deg
M 248.5550648202507 0.00016082 deg
tp 2457411.589239750913
(2016-Jan-24.08923975)
0.00059358 JED
period 1327.939453431709
3.64
1.0813e-05
2.96e-08
d
yr
n .2710966972701014 2.2075e-09 deg/d
Q 2.407482148566677 1.3069e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1417  
   data-arc span      22220 days (60.84 yr)  
   first obs. used      1954-05-23  
   last obs. used      2015-03-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .44808  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 15:46:33  

Additional Information
 Earth MOID = 1.31852 AU 
 T_jup = 3.546 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.0 mag n/a MPO337286  

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 | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-Jul-03 17:21 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin