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74099 (1998 QK22)
Classification: Main-belt Asteroid          SPK-ID: 2074099
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1587321229203251 9.1286e-08  
a 2.650218237832915 2.2982e-08 au
q 2.229543470739534 2.5089e-07 au
i 13.66346639769123 1.0446e-05 deg
node 314.0531373757125 2.3261e-05 deg
peri 22.7431300770088 3.2211e-05 deg
M 284.2764060889956 2.2981e-05 deg
tp 2458931.974100951896
(2020-Mar-23.47410095)
0.00010299 TDB
period 1575.871801369177
4.31
2.0499e-05
5.612e-08
d
yr
n .2284449786379948 2.9716e-09 deg/d
Q 3.070893004926297 2.663e-08 au
  Orbit Determination Parameters
   # obs. used (total)      369  
   data-arc span      8153 days (22.32 yr)  
   first obs. used      1995-11-23  
   last obs. used      2018-03-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .659  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 02:28:50  

Additional Information
 Earth MOID = 1.22385 au 
 Jupiter MOID = 2.29811 au 
 T_jup = 3.333 
[ 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 15.0   n/a MPO436301  
diameter diameter 2.977 km 1.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.139   0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74099 (1998 QK22)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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