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48870 (1998 HL93)
Classification: Main-belt Asteroid          SPK-ID: 2048870
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1737342346218531 2.9426e-08  
a 2.25079929017158 8.7098e-09 au
q 1.85975839820621 6.389e-08 au
i 3.425940909444098 3.94e-06 deg
node 248.37871924794 5.9394e-05 deg
peri 47.08205711490218 6.0744e-05 deg
M 19.58355285435661 1.2509e-05 deg
tp 2458533.404628042425
(2019-Feb-18.90462804)
4.2816e-05 TDB
period 1233.398969245447
3.38
7.1592e-06
1.96e-08
d
yr
n .2918763587261923 1.6942e-09 deg/d
Q 2.64184018213695 1.0223e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1203  
   data-arc span      7890 days (21.60 yr)  
   first obs. used      1998-04-21  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49891  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:15:36  

Additional Information
 Earth MOID = .845118 au 
 Jupiter MOID = 2.54539 au 
 T_jup = 3.605 
[ 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 15.4   n/a MPO436124  
diameter diameter 2.262 km 0.331 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.287   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48870 (1998 HL93)          Discovered 1998-Apr-21 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 HL93 = 1999 VT26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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