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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1947389929488085 6.9619e-08  
a 2.578873151066838 1.8512e-08 au
q 2.076665990685361 1.8736e-07 au
i 7.880699470688488 6.9427e-06 deg
node 159.3141625898048 2.9489e-05 deg
peri 195.7928244395019 3.2782e-05 deg
M 174.5063306168135 1.5477e-05 deg
tp 2458467.249979555364
(2018-Dec-14.74997956)
5.9911e-05 TDB
period 1512.667227756353
4.14
1.6288e-05
4.459e-08
d
yr
n .2379902158216028 2.5626e-09 deg/d
Q 3.081080311448315 2.2117e-08 au
  Orbit Determination Parameters
   # obs. used (total)      319  
   data-arc span      7273 days (19.91 yr)  
   first obs. used      2001-05-15  
   last obs. used      2021-04-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59066  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:09:05  

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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