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180688 (2004 HN10)
Classification: Main-belt Asteroid          SPK-ID: 2180688
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06473081751696293 4.5535e-08  
a 2.738096680943532 2.078e-08 au
q 2.560857444345574 1.1897e-07 au
i 4.978700650123471 4.3692e-06 deg
node 114.9415569883979 5.9563e-05 deg
peri 184.0858537427362 7.4782e-05 deg
M 177.7079177741207 4.8156e-05 deg
tp 2458383.586877267507
(2018-Sep-22.08687727)
0.0002181 TDB
period 1654.899386967693
4.53
1.8839e-05
5.158e-08
d
yr
n .2175358833503682 2.4764e-09 deg/d
Q 2.91533591754149 2.2125e-08 au
  Orbit Determination Parameters
   # obs. used (total)      462  
   data-arc span      7065 days (19.34 yr)  
   first obs. used      2001-10-17  
   last obs. used      2021-02-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55248  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:27:31  

Additional Information
 Earth MOID = 1.54314 au 
 Jupiter MOID = 2.21607 au 
 T_jup = 3.343 
[ 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 15.8   n/a MPO454242  
diameter diameter 3.981 km 0.195 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.053   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

180688 (2004 HN10)          Discovered 2004-Apr-17 by LINEAR at Socorro
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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