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27489 (2000 GW99)
Classification: Main-belt Asteroid          SPK-ID: 2027489
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1345281096793101 4.4444e-08  
a 2.63780585585481 1.2353e-08 au
q 2.282946820365648 1.1881e-07 au
i 14.00771372624678 5.3773e-06 deg
node 208.8560215901304 1.8621e-05 deg
peri 109.1165408040333 2.6145e-05 deg
M 58.39455563130936 1.7817e-05 deg
tp 2458346.676092212641
(2018-Aug-16.17609221)
7.7363e-05 TDB
period 1564.813805252353
4.28
1.0992e-05
3.009e-08
d
yr
n .230059320023665 1.6161e-09 deg/d
Q 2.992664891343972 1.4015e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1116  
   data-arc span      8601 days (23.55 yr)  
   first obs. used      1996-05-20  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50629  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 01:38:37  

Additional Information
 Earth MOID = 1.31514 au 
 Jupiter MOID = 2.39084 au 
 T_jup = 3.342 
[ 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 14.5   n/a MPO452555  
diameter diameter 3.396 km 0.131 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.266   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27489 (2000 GW99)          Discovered 2000-Apr-07 by LINEAR at Socorro
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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