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79855 (1998 XY32)
Classification: Main-belt Asteroid          SPK-ID: 2079855
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1273374213135137 4.385e-08  
a 2.604174577791649 1.4433e-08 au
q 2.272565702405452 1.1529e-07 au
i 14.76778909367614 5.2789e-06 deg
node 287.8376541567129 1.9069e-05 deg
peri 254.9462456214777 2.8291e-05 deg
M 307.6757123562019 2.3184e-05 deg
tp 2459223.602477475509
(2021-Jan-09.10247748)
9.9558e-05 TDB
period 1534.982997531605
4.20
1.2761e-05
3.494e-08
d
yr
n .2345302850773679 1.9497e-09 deg/d
Q 2.935783453177846 1.6271e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1108  
   data-arc span      9162 days (25.08 yr)  
   first obs. used      1995-01-02  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53552  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:48:22  

Additional Information
 Earth MOID = 1.32858 au 
 Jupiter MOID = 2.25352 au 
 T_jup = 3.355 
[ 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 14.2   n/a MPO502636  
diameter diameter 4.252 km 0.320 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.245   0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79855 (1998 XY32)          Discovered 1998-Dec-14 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1998 XY32 = 1995 AU3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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