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 ]  
27715 (1989 CR1)
Classification: Main-belt Asteroid          SPK-ID: 2027715
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1623792716304882 1.0058e-07  
a 2.332052049521262 1.7029e-08 AU
q 1.953375136315612 2.4161e-07 AU
i 8.525526371534983 6.6344e-06 deg
node 262.2720502092409 5.5037e-05 deg
peri 311.0866432689896 6.0055e-05 deg
M 34.76950753980156 2.7697e-05 deg
tp 2456874.867551318650
(2014-Aug-05.36755132)
9.9546e-05 JED
period 1300.785795528245
3.56
1.4248e-05
3.901e-08
d
yr
n .276755789644678 3.0313e-09 deg/d
Q 2.710728962726912 1.9794e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      684  
   data-arc span      9626 days (26.35 yr)  
   first obs. used      1989-02-04  
   last obs. used      2015-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57939  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:41:16  

Additional Information
 Earth MOID = .959283 AU 
 T_jup = 3.538 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5 mag n/a MPO302228  

27715 (1989 CR1)          Discovered 1989-Feb-05 by Oshima, Y. at Gekko
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1989 CR1 = 1998 WW12 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-Aug-05 08:28 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin