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27027 (1998 QA98)
Classification: Main-belt Asteroid          SPK-ID: 2027027
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 .1622147691878916 5.6841e-08  
a 2.451059113837992 9.078e-09 au
q 2.053461125420884 1.4071e-07 au
i 6.582797126797185 5.482e-06 deg
node 310.7786530349788 3.2142e-05 deg
peri 188.2653760647233 3.4488e-05 deg
M 15.14491886755445 1.0924e-05 deg
tp 2458541.535101465081
(2019-Feb-27.03510146)
4.2575e-05 TDB
period 1401.616189443381
3.84
7.7868e-06
2.132e-08
d
yr
n .2568463483166284 1.4269e-09 deg/d
Q 2.848657102255101 1.0551e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1707  
   data-arc span      7985 days (21.86 yr)  
   first obs. used      1997-06-29  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47598  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:26:37  

Additional Information
 Earth MOID = 1.0676 au 
 Jupiter MOID = 2.18808 au 
 T_jup = 3.468 
[ 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 13.6   n/a MPO337487  
diameter diameter 7.445 km 3.239 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.139   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

27027 (1998 QA98)          Discovered 1998-Aug-28 by LINEAR at Socorro
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 QA98 = 1997 MP5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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