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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1021228445441381 2.7671e-08  
a 2.999661931506439 1.3715e-08 au
q 2.693327922390238 8.0379e-08 au
i 9.710204118261625 1.0524e-06 deg
node 224.1946484080761 5.5286e-06 deg
peri 102.8773374016531 9.4534e-06 deg
M 121.1772107240893 1.0015e-05 deg
tp 2458561.758189406582
(2019-Mar-19.25818941)
5.0338e-05 TDB
period 1897.609710931549
5.20
1.3015e-05
3.563e-08
d
yr
n .1897123512417491 1.3011e-09 deg/d
Q 3.30599594062264 1.5116e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2698  
   data-arc span      21340 days (58.43 yr)  
   first obs. used      1962-09-30  
   last obs. used      2021-03-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45263  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 22:36:45  

Additional Information
 Earth MOID = 1.70203 au 
 Jupiter MOID = 2.03312 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 12.41   n/a E2021B10  
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. 2020-October); 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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