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214080 (2004 HH31)
Classification: Main-belt Asteroid          SPK-ID: 2214080
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.


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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 .1922730501580577 4.2004e-08  
a 3.156834387506382 3.8134e-08 au
q 2.549860210976686 1.3276e-07 au
i 10.86896030444664 6.2174e-06 deg
node 138.434425542466 3.5122e-05 deg
peri 128.8958208214412 4.0117e-05 deg
M 276.8413953163061 1.993e-05 deg
tp 2459473.739315898472
(2021-Sep-16.23931590)
0.00011614 TDB
period 2048.689421515222
5.61
3.7121e-05
1.016e-07
d
yr
n .1757220963896724 3.184e-09 deg/d
Q 3.763808564036077 4.5466e-08 au
  Orbit Determination Parameters
   # obs. used (total)      243  
   data-arc span      7061 days (19.33 yr)  
   first obs. used      2000-10-02  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60618  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 03:06:06  

Additional Information
 Earth MOID = 1.55071 au 
 Jupiter MOID = 1.49983 au 
 T_jup = 3.150 
[ 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 15.6   n/a MPO427259  
diameter diameter 4.471 km 0.241 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

214080 (2004 HH31)          Discovered 2004-Apr-16 by LONEOS at Anderson Mesa
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

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Alternate Designations
 2004 HH31 = 2009 BG102 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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