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49430 (1998 XZ96)
Classification: Main-belt Asteroid          SPK-ID: 2049430
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1125140861098458 4.3336e-08  
a 2.867599567008418 1.7381e-08 au
q 2.544954222397477 1.3234e-07 au
i 13.66254048140764 3.9478e-06 deg
node 115.4983566147599 1.7089e-05 deg
peri 254.5903615618363 2.5079e-05 deg
M 245.087333667764 2.0971e-05 deg
tp 2459566.663134544234
(2021-Dec-18.16313454)
0.00010582 TDB
period 1773.683745590261
4.86
1.6126e-05
4.415e-08
d
yr
n .2029674122543172 1.8453e-09 deg/d
Q 3.190244911619359 1.9336e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1400  
   data-arc span      9720 days (26.61 yr)  
   first obs. used      1994-01-12  
   last obs. used      2020-08-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52846  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:32:41  

Additional Information
 Earth MOID = 1.5833 au 
 Jupiter MOID = 2.31788 au 
 T_jup = 3.248 
[ 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 13.9   n/a MPO436129  
diameter diameter 4.041 km 1.780 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.358   0.215 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49430 (1998 XZ96)          Discovered 1998-Dec-11 by Naranjo, O. A. at Merida
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 XZ96 = 1999 CC85 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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