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JPL Small-Body Database Browser
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11375 (1998 QB74)
Classification: Main-belt Asteroid          SPK-ID: 2011375
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .101957368891724 3.9831e-08  
a 2.997931984974372 1.5542e-08 au
q 2.692270727670041 1.1651e-07 au
i 9.712795055775626 4.9938e-06 deg
node 224.1986078506135 2.3002e-05 deg
peri 102.5603061396866 3.302e-05 deg
M 7.611805876973028 2.3628e-05 deg
tp 2458560.411824264251
(2019-Mar-17.91182426)
0.00012445 TDB
period 1895.968380976209
5.19
1.4744e-05
4.037e-08
d
yr
n .1898765842364105 1.4766e-09 deg/d
Q 3.303593242278702 1.7127e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2266  
   data-arc span      20879 days (57.16 yr)  
   first obs. used      1962-09-30  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48103  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 22:35:28  

Additional Information
 Earth MOID = 1.70196 au 
 Jupiter MOID = 2.03338 au 
 T_jup = 3.224 
[ 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 12.3   n/a MPO319228  
diameter diameter 11.752 km 0.241 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.00 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]
geometric albedo albedo 0.169   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11375 (1998 QB74)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 19990831/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 QB74 = 1962 SN = 1992 MK = 1997 LJ16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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