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11708 (1998 HT19)
Classification: Main-belt Asteroid          SPK-ID: 2011708
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1173843532555053 4.8869e-08  
a 2.134695976527154 6.0709e-09 au
q 1.884116069925385 1.0468e-07 au
i 2.515545472011708 5.052e-06 deg
node 215.6112107821931 6.1087e-05 deg
peri 169.2151526227105 6.2455e-05 deg
M 192.801305664182 1.3271e-05 deg
tp 2459529.594022518965
(2021-Nov-11.09402252)
4.2159e-05 TDB
period 1139.206552201067
3.12
4.8597e-06
1.331e-08
d
yr
n .3160094184012919 1.3481e-09 deg/d
Q 2.385275883128924 6.7835e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1196  
   data-arc span      10231 days (28.01 yr)  
   first obs. used      1992-04-23  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49067  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 03:35:54  

Additional Information
 Earth MOID = .887863 au 
 Jupiter MOID = 3.03261 au 
 T_jup = 3.708 
[ 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 15.7   n/a MPO467800  
diameter diameter 2.100 km 0.642 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.304   0.133 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11708 (1998 HT19)          Discovered 1998-Apr-18 by LINEAR at Socorro
Reference: 19990928/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 HT19 = 1993 TX11 = 1996 TZ54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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