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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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02006454421609229 7.1241e-08  
a 2.569926229748857 1.7881e-08 au
q 2.518361831279966 1.9103e-07 au
i 22.24899320037123 7.3009e-06 deg
node 144.1957048527372 1.3197e-05 deg
peri 177.0529947211656 0.00017312 deg
M 64.42883586127475 0.00016762 deg
tp 2458331.187075534549
(2018-Jul-31.68707553)
0.00070219 TDB
period 1504.80218230726
4.12
1.5705e-05
4.3e-08
d
yr
n .2392341028161089 2.4968e-09 deg/d
Q 2.621490628217749 1.8239e-08 au
  Orbit Determination Parameters
   # obs. used (total)      866  
   data-arc span      8777 days (24.03 yr)  
   first obs. used      1995-11-14  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54594  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 00:59:54  

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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