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180695 (2004 HA31)
Classification: Main-belt Asteroid          SPK-ID: 2180695
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1319567472473361 5.0407e-08  
a 2.745117874835485 2.6105e-08 au
q 2.382881049261675 1.475e-07 au
i 7.930975930239804 6.9578e-06 deg
node 3.8042048389838 3.2239e-05 deg
peri 236.1372853372409 4.6751e-05 deg
M 223.9844660117783 4.0517e-05 deg
tp 2459828.162140487104
(2022-Sep-05.66214049)
0.00019339 TDB
period 1661.268856209647
4.55
2.3697e-05
6.488e-08
d
yr
n .216701829239956 3.0912e-09 deg/d
Q 3.107354700409295 2.955e-08 au
  Orbit Determination Parameters
   # obs. used (total)      424  
   data-arc span      8884 days (24.32 yr)  
   first obs. used      1996-09-21  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49782  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:27:33  

Additional Information
 Earth MOID = 1.38091 au 
 Jupiter MOID = 1.93921 au 
 T_jup = 3.322 
[ 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 15.70   n/a MPCxxxxx  
diameter diameter 5.103 km 0.372 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.043   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

180695 (2004 HA31)          Discovered 2004-Apr-21 by Broughton, J. at Reedy Creek
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

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