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192498 (1998 KA7)
Classification: Main-belt Asteroid          SPK-ID: 2192498
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2068816862265553 4.4423e-08  
a 2.672213228393396 1.6005e-08 au
q 2.119381249746463 1.1934e-07 au
i 10.821605466839 5.2236e-06 deg
node 229.9611922804143 3.1924e-05 deg
peri 18.15496464183554 3.4899e-05 deg
M 55.89687080406316 1.5947e-05 deg
tp 2458952.763449284272
(2020-Apr-13.26344928)
6.9956e-05 TDB
period 1595.530429069728
4.37
1.4335e-05
3.925e-08
d
yr
n .2256302941272624 2.0271e-09 deg/d
Q 3.225045207040329 1.9316e-08 au
  Orbit Determination Parameters
   # obs. used (total)      438  
   data-arc span      8104 days (22.19 yr)  
   first obs. used      1998-05-22  
   last obs. used      2020-07-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58681  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:16:23  

Additional Information
 Earth MOID = 1.10746 au 
 Jupiter MOID = 1.80875 au 
 T_jup = 3.325 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.80   n/a E2021B55  
diameter diameter 4.618 km 0.954 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

192498 (1998 KA7)          Discovered 1998-May-22 by LONEOS at Anderson Mesa
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Alternate Designations
 1998 KA7 = 2003 SF308 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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