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79568 (1998 QS85)
Classification: Main-belt Asteroid          SPK-ID: 2079568
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06556889290177091 5.4181e-08  
a 2.340015154316557 1.0848e-08 au
q 2.186582951274654 1.2598e-07 au
i 10.39615001549811 5.699e-06 deg
node 306.7010816841892 2.7493e-05 deg
peri 14.12504950067131 4.4789e-05 deg
M 47.66307477188649 3.6376e-05 deg
tp 2458827.396445172670
(2019-Dec-09.89644517)
0.00013177 TDB
period 1307.454041437456
3.58
9.0916e-06
2.489e-08
d
yr
n .275344286369106 1.9146e-09 deg/d
Q 2.49344735735846 1.1559e-08 au
  Orbit Determination Parameters
   # obs. used (total)      638  
   data-arc span      8018 days (21.95 yr)  
   first obs. used      1998-08-19  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58492  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:35:23  

Additional Information
 Earth MOID = 1.17422 au 
 Jupiter MOID = 2.73377 au 
 T_jup = 3.540 
[ 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 15.6   n/a MPO280274  
diameter diameter 3.227 km 0.115 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.117   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79568 (1998 QS85)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1998 QS85 = 2000 AX57 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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