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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1921426858376822 4.4539e-08  
a 3.158071420279302 4.0885e-08 au
q 2.551271095519613 1.3749e-07 au
i 10.86632601739435 6.3462e-06 deg
node 138.4365197103674 3.8347e-05 deg
peri 128.7701603293535 4.3656e-05 deg
M 206.7172234470252 2.0033e-05 deg
tp 2459473.315009018980
(2021-Sep-15.81500902)
0.0001175 TDB
period 2049.893734396441
5.61
3.9808e-05
1.09e-07
d
yr
n .1756188596312756 3.4104e-09 deg/d
Q 3.76487174503899 4.8741e-08 au
  Orbit Determination Parameters
   # obs. used (total)      225  
   data-arc span      6650 days (18.21 yr)  
   first obs. used      2000-10-02  
   last obs. used      2018-12-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60259  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:26:06  

Additional Information
 Earth MOID = 1.55171 au 
 Jupiter MOID = 1.49759 au 
 T_jup = 3.149 
[ 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

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