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JPL Small-Body Database Browser
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245512 (2005 SQ54)
Classification: Main-belt Asteroid          SPK-ID: 2245512
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1520545395696039 5.2193e-08  
a 3.038221069550404 4.013e-08 au
q 2.576245763709248 1.6423e-07 au
i 1.255527622192766 7.2552e-06 deg
node 28.11785653329391 0.00028416 deg
peri 246.9276806008432 0.00028523 deg
M 6.166883491735015 2.6106e-05 deg
tp 2458967.364713773985
(2020-Apr-27.86471377)
0.00014005 TDB
period 1934.316264828488
5.30
3.8323e-05
1.049e-07
d
yr
n .1861122746811626 3.6873e-09 deg/d
Q 3.50019637539156 4.6232e-08 au
  Orbit Determination Parameters
   # obs. used (total)      290  
   data-arc span      8110 days (22.20 yr)  
   first obs. used      1997-02-06  
   last obs. used      2019-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5753  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:41:17  

Additional Information
 Earth MOID = 1.56022 au 
 Jupiter MOID = 1.61986 au 
 T_jup = 3.223 
[ 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 15.8   n/a MPO433608  
diameter diameter 3.198 km 0.548 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.083   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

245512 (2005 SQ54)          Discovered 2005-Sep-25 by Spacewatch at Kitt Peak
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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