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120696 (1997 HH)
Classification: Main-belt Asteroid          SPK-ID: 2120696
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1805722815103203 5.2936e-08  
a 3.133626381577902 2.803e-08 au
q 2.567780316455451 1.7717e-07 au
i 1.276844733695154 6.6177e-06 deg
node 42.58403904484141 0.00022245 deg
peri 282.2370636877111 0.00022322 deg
M 4.500589452586068 1.639e-05 deg
tp 2459175.169944206980
(2020-Nov-21.66994421)		 9.2211e-05 TDB
period 2026.139060572948
5.55		 2.7185e-05
7.443e-08		 d
yr
n .1776778341651435 2.384e-09 deg/d
Q 3.699472446700354 3.3091e-08 au
   Orbit Determination Parameters
   # obs. used (total)      368  
   data-arc span      9805 days (26.84 yr)  
   first obs. used      1993-10-11  
   last obs. used      2020-08-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5743  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:55:26  

Additional Information
 Earth MOID = 1.55424 au 
 Jupiter MOID = 1.64024 au 
 T_jup = 3.187 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.75   n/a E2021B55  

120696 (1997 HH)          Discovered 1997-Apr-28 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

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Alternate Designations
 1997 HH = 1999 VG110 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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