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79401 (1997 HT2)
Classification: Main-belt Asteroid          SPK-ID: 2079401
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1321678903994281 4.6303e-08  
a 2.36059672271006 1.1279e-08 au
q 2.048601633785668 1.0573e-07 au
i 2.228922927177143 4.4306e-06 deg
node 233.9898765680654 0.00011515 deg
peri 334.9549493873062 0.00011656 deg
M 131.8115092259167 1.6411e-05 deg
tp 2458515.455082144541
(2019-Jan-31.95508214)
6.066e-05 TDB
period 1324.741454319318
3.63
9.4947e-06
2.6e-08
d
yr
n .2717511396855743 1.9477e-09 deg/d
Q 2.672591811634453 1.277e-08 au
  Orbit Determination Parameters
   # obs. used (total)      701  
   data-arc span      8667 days (23.73 yr)  
   first obs. used      1995-11-27  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51493  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:48:49  

Additional Information
 Earth MOID = 1.04365 au 
 Jupiter MOID = 2.29288 au 
 T_jup = 3.539 
[ 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 MPO432343  

79401 (1997 HT2)          Discovered 1997-Apr-25 by Lopez, A., Pacheco, R. at Mallorca
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1997 HT2 = 2002 UA20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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