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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1170311122299708 4.8434e-08  
a 2.135508698208903 5.9783e-09 au
q 1.885587740080738 1.0371e-07 au
i 2.515095254965637 5.0017e-06 deg
node 215.5658210478534 5.8467e-05 deg
peri 169.0240324502487 5.9767e-05 deg
M 318.1191195734349 1.2924e-05 deg
tp 2459529.106174381834
(2021-Nov-10.60617438)
4.1003e-05 TDB
period 1139.857192380791
3.12
4.7865e-06
1.31e-08
d
yr
n .315829037537656 1.3262e-09 deg/d
Q 2.385429656337068 6.678e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1268  
   data-arc span      10665 days (29.20 yr)  
   first obs. used      1992-04-23  
   last obs. used      2021-07-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49279  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 09:57:25  

Additional Information
 Earth MOID = .888523 au 
 Jupiter MOID = 3.0339 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 15.67   n/a E2021B10  
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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