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

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1628785542579688 4.2433e-08  
a 2.331583139579089 9.2714e-09 au
q 1.951818248672191 9.6861e-08 au
i 8.528726052600975 3.8396e-06 deg
node 262.2391590452231 2.9841e-05 deg
peri 311.0400474388103 3.1998e-05 deg
M 117.6471893184819 1.2679e-05 deg
tp 2458175.534336401453
(2018-Feb-26.03433640)
4.5347e-05 TDB
period 1300.39348820587
3.56
7.7564e-06
2.124e-08
d
yr
n .2768392823134524 1.6513e-09 deg/d
Q 2.711348030485988 1.0782e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1283  
   data-arc span      11252 days (30.81 yr)  
   first obs. used      1989-02-04  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51486  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 01:40:57  

Additional Information
 Earth MOID = .956421 au 
 Jupiter MOID = 2.31075 au 
 T_jup = 3.538 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6   n/a MPO351018  
diameter diameter 6.395 km 0.193 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.082   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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