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180856 (2005 HX5)
Classification: Main-belt Asteroid          SPK-ID: 2180856
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1947389976603429 6.9803e-08  
a 2.578873152454792 1.8661e-08 au
q 2.076665979652577 1.8769e-07 au
i 7.880697817368265 7.0556e-06 deg
node 159.3141693788276 2.9958e-05 deg
peri 195.7928140544544 3.3609e-05 deg
M 174.5063327362855 1.5745e-05 deg
tp 2458467.249970057699
(2018-Dec-14.74997006)
6.1339e-05 TDB
period 1512.667228977533
4.14
1.6419e-05
4.495e-08
d
yr
n .2379902156294727 2.5832e-09 deg/d
Q 3.081080325257006 2.2295e-08 au
  Orbit Determination Parameters
   # obs. used (total)      306  
   data-arc span      7244 days (19.83 yr)  
   first obs. used      2001-05-15  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58669  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:28:14  

Additional Information
 Earth MOID = 1.0711 au 
 Jupiter MOID = 2.36091 au 
 T_jup = 3.386 
[ 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 16.7   n/a MPO454244  

180856 (2005 HX5)          Discovered 2005-Apr-30 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

Alternate Designations
 2005 HX5 = 2001 JS2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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