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JPL Small-Body Database Browser
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74094 (1998 QU8)
Classification: Main-belt Asteroid          SPK-ID: 2074094
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 .1682152547457504 5.6043e-08  
a 2.596041962660336 1.5787e-08 au
q 2.159348102580769 1.4891e-07 au
i 13.07331725583247 6.5902e-06 deg
node 328.1971746761694 1.3693e-05 deg
peri 340.7345324546942 2.1755e-05 deg
M 345.0367935728197 1.4006e-05 deg
tp 2458664.002109964539
(2019-Jun-29.50210996)
5.9151e-05 TDB
period 1527.798182728265
4.18
1.3936e-05
3.815e-08
d
yr
n .2356332165267602 2.1494e-09 deg/d
Q 3.032735822739903 1.8443e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1125  
   data-arc span      7772 days (21.28 yr)  
   first obs. used      1998-08-17  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47003  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 06:44:46  

Additional Information
 Earth MOID = 1.14873 au 
 Jupiter MOID = 2.27804 au 
 T_jup = 3.361 
[ 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 14.3   n/a MPO436301  
diameter diameter 4.284 km 0.098 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.226   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74094 (1998 QU8)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 QU8 = 2001 BD60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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