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79865 (1998 XX98)
Classification: Main-belt Asteroid          SPK-ID: 2079865
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2668898340342618 6.1416e-08  
a 2.305399720480799 7.5274e-09 au
q 1.690111971699045 1.4095e-07 au
i 24.2044571840506 5.9612e-06 deg
node 58.88973705866765 9.8322e-06 deg
peri 300.0214758287881 1.3021e-05 deg
M 76.67152857792593 6.9369e-06 deg
tp 2458728.198896012430
(2019-Sep-01.69889601)
2.4567e-05 TDB
period 1278.550190060356
3.50
6.2619e-06
1.714e-08
d
yr
n .2815689229869073 1.379e-09 deg/d
Q 2.920687469262554 9.5364e-09 au
  Orbit Determination Parameters
   # obs. used (total)      887  
   data-arc span      7826 days (21.43 yr)  
   first obs. used      1998-11-13  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51031  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:44:00  

Additional Information
 Earth MOID = .791879 au 
 Jupiter MOID = 2.75891 au 
 T_jup = 3.427 
[ 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 15.2   n/a MPO449501  
diameter diameter 2.641 km 0.618 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.278   0.098 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79865 (1998 XX98)          Discovered 1998-Dec-08 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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