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117816 (2005 HB7)
Classification: Main-belt Asteroid          SPK-ID: 2117816
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .110444714765074 8.3843e-08  
a 2.602902847727052 2.0277e-08 au
q 2.315425985148639 2.2425e-07 au
i 12.6365065544489 5.6307e-06 deg
node 238.6537993770903 2.8636e-05 deg
peri 307.6111072689569 3.8566e-05 deg
M 239.5765740718929 3.085e-05 deg
tp 2459513.590344720823
(2021-Oct-26.09034472)
0.00013526 TDB
period 1533.858737832039
4.20
1.7924e-05
4.907e-08
d
yr
n .2347021867925238 2.7426e-09 deg/d
Q 2.890379710305465 2.2517e-08 au
  Orbit Determination Parameters
   # obs. used (total)      386  
   data-arc span      6734 days (18.44 yr)  
   first obs. used      2001-05-24  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56664  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 13:55:15  

Additional Information
 Earth MOID = 1.33619 au 
 Jupiter MOID = 2.1574 au 
 T_jup = 3.371 
[ 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 MPO351679  

117816 (2005 HB7)          Discovered 2005-Apr-28 by Siding Spring Survey at Siding Spring
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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