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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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .206562007556501 5.0331e-08  
a 2.376902584461604 1.0198e-08 au
q 1.88592481484898 1.1883e-07 au
i 11.37666987892922 3.2588e-06 deg
node 265.5634368529621 3.168e-05 deg
peri 51.23388432079275 3.4481e-05 deg
M 1.294066553293405 1.2657e-05 deg
tp 2458995.688620506240
(2020-May-26.18862051)
4.7065e-05 TDB
period 1338.491141236449
3.66
8.6145e-06
2.359e-08
d
yr
n .2689595686583666 1.731e-09 deg/d
Q 2.867880354074229 1.2305e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1171  
   data-arc span      8103 days (22.18 yr)  
   first obs. used      1998-08-24  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48091  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:22:47  

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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