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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 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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457242.5 (2015-Aug-08.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .191371238181788 4.2071e-08  
q 2.552786727808535 1.329e-07 au
tp 2457422.038016494912
(2016-Feb-03.53801649)
0.00010929 TDB
node 138.4694383397079 3.5134e-05 deg
peri 128.573426204097 4.0162e-05 deg
i 10.86619249352817 6.2162e-06 deg
  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
 Jupiter MOID = 1.49983 au 
 T_jup = 3.150 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.769957457686658E-15 -5.442512445326819E-15 -5.625778182965166E-13 9.49725326889162E-15 -1.15063933999966E-13 2.12665191723885E-15
q -5.442512445326819E-15 1.766220439396375E-14 1.910791128788858E-12 1.317277539295747E-14 3.110912986248757E-13 5.375941240413389E-16
tp -5.625778182965166E-13 1.910791128788858E-12 1.194338004101078E-8 -3.542859554161416E-11 2.207366254975598E-9 5.233761136005142E-12
node 9.49725326889162E-15 1.317277539295747E-14 -3.542859554161416E-11 1.234370683364967E-9 -1.217015010626852E-9 9.103016939252595E-11
peri -1.15063933999966E-13 3.110912986248757E-13 2.207366254975598E-9 -1.217015010626852E-9 1.612968453399604E-9 -8.827665500036955E-11
i 2.12665191723885E-15 5.375941240413389E-16 5.233761136005142E-12 9.103016939252595E-11 -8.827665500036955E-11 3.864156273627668E-11

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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