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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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .173734232729404 3.0154e-08  
a 2.250799290770039 8.9503e-09 au
q 1.85975840296022 6.5992e-08 au
i 3.425940323714849 3.9976e-06 deg
node 248.3787049314009 6.1535e-05 deg
peri 47.08207124431023 6.2831e-05 deg
M 19.58355262719378 1.254e-05 deg
tp 2458533.404628793949
(2019-Feb-18.90462879)
4.2917e-05 TDB
period 1233.398969737365
3.38
7.3569e-06
2.014e-08
d
yr
n .2918763586097829 1.741e-09 deg/d
Q 2.641840178579859 1.0505e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1149  
   data-arc span      7863 days (21.53 yr)  
   first obs. used      1998-04-21  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50639  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:39:05  

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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