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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1811421533523684 5.2845e-08  
a 3.135282579088436 2.7529e-08 au
q 2.56735074134419 1.7725e-07 au
i 1.277043104771866 6.6177e-06 deg
node 42.62875062875442 0.00022231 deg
peri 282.3348990781808 0.00022308 deg
M 328.8965661948359 1.6313e-05 deg
tp 2459175.694027929691
(2020-Nov-22.19402793)
9.2039e-05 TDB
period 2027.745568214962
5.55
2.6706e-05
7.312e-08
d
yr
n .1775370666039282 2.3382e-09 deg/d
Q 3.703214416832683 3.2515e-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 = 1.55579 au 
 Jupiter MOID = 1.63727 au 
 T_jup = 3.186 
[ 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

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