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48872 (1998 HY98)
Classification: Main-belt Asteroid          SPK-ID: 2048872
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2147735294900031 3.748e-08  
a 2.205691596912734 6.5565e-09 au
q 1.731967427677345 8.3164e-08 au
i 3.566555865582247 4.1268e-06 deg
node 202.0668000153156 6.0618e-05 deg
peri 97.86954109442729 6.1341e-05 deg
M 91.20334352783934 9.0184e-06 deg
tp 2458297.373525151292
(2018-Jun-27.87352515)
2.9996e-05 TDB
period 1196.508008637038
3.28
5.335e-06
1.461e-08
d
yr
n .3008755456723451 1.3415e-09 deg/d
Q 2.679415766148123 7.9647e-09 au
  Orbit Determination Parameters
   # obs. used (total)      910  
   data-arc span      7859 days (21.52 yr)  
   first obs. used      1998-04-21  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56171  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:39:05  

Additional Information
 Earth MOID = .720255 au 
 Jupiter MOID = 2.54929 au 
 T_jup = 3.628 
[ 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 15.9   n/a MPO417155  
diameter diameter 3.659 km 0.110 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48872 (1998 HY98)          Discovered 1998-Apr-21 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HY98 = 1999 XG263 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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