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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1320126152551464 4.5948e-08  
a 2.360914300546975 9.932e-09 au
q 2.049243829338494 1.0528e-07 au
i 2.228625245623505 4.2804e-06 deg
node 233.99012241 0.0001025 deg
peri 334.8539246011064 0.00010336 deg
M 239.5425661360251 1.3987e-05 deg
tp 2459839.853220325779
(2022-Sep-17.35322033)
5.2448e-05 TDB
period 1325.00879520242
3.63
8.3612e-06
2.289e-08
d
yr
n .2716963097177051 1.7145e-09 deg/d
Q 2.672584771755456 1.1243e-08 au
  Orbit Determination Parameters
   # obs. used (total)      837  
   data-arc span      9177 days (25.13 yr)  
   first obs. used      1995-11-27  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51868  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:08:33  

Additional Information
 Earth MOID = 1.04497 au 
 Jupiter MOID = 2.29064 au 
 T_jup = 3.538 
[ 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 15.81   n/a MPCxxxxx  

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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