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JPL Small-Body Database Browser
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27055 (1998 SQ27)
Classification: Main-belt Asteroid          SPK-ID: 2027055
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02006453703286164 6.0286e-08  
a 2.569926231472529 1.5485e-08 au
q 2.518361851429426 1.5872e-07 au
i 22.24899212195731 6.802e-06 deg
node 144.1957037159512 1.2905e-05 deg
peri 177.0529764879571 0.00014675 deg
M 64.42885423227067 0.00014302 deg
tp 2458331.186998472729
(2018-Jul-31.68699847)
0.00059879 TDB
period 1504.802183821185
4.12
1.3601e-05
3.724e-08
d
yr
n .2392341025754244 2.1623e-09 deg/d
Q 2.621490611515632 1.5796e-08 au
  Orbit Determination Parameters
   # obs. used (total)      889  
   data-arc span      8789 days (24.06 yr)  
   first obs. used      1995-11-14  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54258  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 01:34:06  

Additional Information
 Earth MOID = 1.5053 au 
 Jupiter MOID = 2.4907 au 
 T_jup = 3.325 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7   n/a MPO412378  
diameter diameter 3.107 km 0.373 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.264   0.087 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27055 (1998 SQ27)          Discovered 1998-Sep-24 by CSS at Catalina
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SQ27 = 2000 CF1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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