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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02019280229582777 4.9197e-08  
a 2.570306084900208 1.3177e-08 au
q 2.518404402288055 1.2521e-07 au
i 22.25041823670853 5.6181e-06 deg
node 144.1859636958956 1.1949e-05 deg
peri 177.6874267338108 0.00011862 deg
M 159.462988506708 0.00011681 deg
tp 2458333.795952597409
(2018-Aug-03.29595260)
0.00048906 TDB
period 1505.135826893375
4.12
1.1575e-05
3.169e-08
d
yr
n .2391810716133479 1.8393e-09 deg/d
Q 2.622207767512361 1.3443e-08 au
  Orbit Determination Parameters
   # obs. used (total)      996  
   data-arc span      8846 days (24.22 yr)  
   first obs. used      1995-11-14  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53651  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:56:18  

Additional Information
 Earth MOID = 1.50623 au 
 Jupiter MOID = 2.48929 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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