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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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1628785549626369 4.2454e-08  
a 2.331583140021407 9.3037e-09 au
q 1.951818247399473 9.6891e-08 au
i 8.528726013948978 3.8599e-06 deg
node 262.2391587760105 2.995e-05 deg
peri 311.0400468488067 3.2135e-05 deg
M 117.647189884245 1.2723e-05 deg
tp 2458175.534334236873
(2018-Feb-26.03433424)
4.5526e-05 TDB
period 1300.39348857591
3.56
7.7835e-06
2.131e-08
d
yr
n .276839282234675 1.657e-09 deg/d
Q 2.711348032643341 1.0819e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1281  
   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      .51507  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 01:07:18  

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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