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59149 (1998 XA84)
Classification: Main-belt Asteroid          SPK-ID: 2059149
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06954782566855651 4.6298e-08  
a 2.251408989421896 9.5864e-09 au
q 2.094828389516961 1.0736e-07 au
i 2.767077014449886 4.532e-06 deg
node 132.9427967006297 8.5442e-05 deg
peri 13.71628845427579 9.0402e-05 deg
M 313.5307531999101 3.1366e-05 deg
tp 2458759.773364073557
(2019-Oct-03.27336407)
0.00010785 TDB
period 1233.900160102652
3.38
7.8808e-06
2.158e-08
d
yr
n .2917578031354259 1.8634e-09 deg/d
Q 2.407989589326831 1.0253e-08 au
  Orbit Determination Parameters
   # obs. used (total)      786  
   data-arc span      9921 days (27.16 yr)  
   first obs. used      1991-11-08  
   last obs. used      2019-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5748  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:37:36  

Additional Information
 Earth MOID = 1.10705 au 
 Jupiter MOID = 2.58 au 
 T_jup = 3.622 
[ 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 16.0   n/a MPO452971  
diameter diameter 3.482 km 0.226 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.070   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59149 (1998 XA84)          Discovered 1998-Dec-15 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 XA84 = 2000 NV = 2001 SC247 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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