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JPL Small-Body Database Browser
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245989 (2006 SG255)
Classification: Main-belt Asteroid          SPK-ID: 2245989
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1136137100257825 9.1985e-08  
a 3.114367318118833 4.3401e-08 au
q 2.760532492724306 2.8842e-07 au
i 12.22020347746503 1.1521e-05 deg
node 31.70782036348927 2.7333e-05 deg
peri 312.8317877255555 4.332e-05 deg
M 191.85904129046 3.2155e-05 deg
tp 2459938.114241787725
(2022-Dec-24.61424179)
0.00018001 TDB
period 2007.489011803938
5.50
4.1964e-05
1.149e-07
d
yr
n .1793285033607743 3.7486e-09 deg/d
Q 3.468202143513361 4.8332e-08 au
  Orbit Determination Parameters
   # obs. used (total)      183  
   data-arc span      5799 days (15.88 yr)  
   first obs. used      2004-03-18  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6024  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:48:31  

Additional Information
 Earth MOID = 1.77188 au 
 Jupiter MOID = 2.04067 au 
 T_jup = 3.173 
[ 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 15.7   n/a MPO433611  
diameter diameter 5.494 km 1.598 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.42 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]
geometric albedo albedo 0.028   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

245989 (2006 SG255)          Discovered 2006-Sep-26 by CSS at Catalina
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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