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85830 (1998 XB59)
Classification: Main-belt Asteroid          SPK-ID: 2085830
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1980968527847515 3.6647e-08  
a 2.611529533240434 9.0261e-09 au
q 2.094193751751073 9.4857e-08 au
i 3.365998047821863 3.5233e-06 deg
node 140.4975474371046 6.7703e-05 deg
peri 277.6592728955184 6.828e-05 deg
M 139.9446699434644 8.6759e-06 deg
tp 2458797.268409455727
(2019-Nov-09.76840946)
3.6556e-05 TDB
period 1541.490452498742
4.22
7.9917e-06
2.188e-08
d
yr
n .2335402074118871 1.2108e-09 deg/d
Q 3.128865314729796 1.0814e-08 au
  Orbit Determination Parameters
   # obs. used (total)      841  
   data-arc span      9608 days (26.31 yr)  
   first obs. used      1995-01-25  
   last obs. used      2021-05-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54397  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:27:07  

Additional Information
 Earth MOID = 1.10924 au 
 Jupiter MOID = 2.22599 au 
 T_jup = 3.379 
[ 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 15.79   n/a E2021B10  
diameter diameter 4.458 km 0.177 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85830 (1998 XB59)          Discovered 1998-Dec-15 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1998 XB59 = 2002 TK227 = 2004 FS87 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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