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79570 (1998 QK90)
Classification: Main-belt Asteroid          SPK-ID: 2079570
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2065619624772955 6.8373e-08  
a 2.376902596113516 1.6494e-08 au
q 1.88592493124293 1.6901e-07 au
i 11.37666728291667 5.6482e-06 deg
node 265.563439688635 3.388e-05 deg
peri 51.23388600241891 3.6631e-05 deg
M 1.294054797842241 1.8747e-05 deg
tp 2458995.688664177992
(2020-May-26.18866418)
6.9676e-05 TDB
period 1338.491151078657
3.66
1.3933e-05
3.815e-08
d
yr
n .26895956668065 2.7997e-09 deg/d
Q 2.867880260984102 1.9902e-08 au
  Orbit Determination Parameters
   # obs. used (total)      684  
   data-arc span      7968 days (21.82 yr)  
   first obs. used      1998-08-24  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59688  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:02:47  

Additional Information
 Earth MOID = .894267 au 
 Jupiter MOID = 2.45145 au 
 T_jup = 3.486 
[ 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 15.0   n/a MPO333478  
diameter diameter 3.743 km 0.839 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.126   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

79570 (1998 QK90)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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