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183550 (2003 HU57)
Classification: Main-belt Asteroid          SPK-ID: 2183550
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04577642939740753 5.5489e-08  
a 3.118188230779352 3.932e-08 au
q 2.975448707385254 1.7447e-07 au
i 12.03480116709784 6.8849e-06 deg
node 49.51636789312678 2.4195e-05 deg
peri 322.1798891195447 6.8662e-05 deg
M 242.5329410332866 6.6933e-05 deg
tp 2459656.744253623586
(2022-Mar-18.24425362)
0.00037798 TDB
period 2011.184525965159
5.51
3.8041e-05
1.042e-07
d
yr
n .1789989905711101 3.3857e-09 deg/d
Q 3.26092775417345 4.112e-08 au
  Orbit Determination Parameters
   # obs. used (total)      283  
   data-arc span      6729 days (18.42 yr)  
   first obs. used      2000-11-20  
   last obs. used      2019-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61756  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 08:02:14  

Additional Information
 Earth MOID = 1.98761 au 
 Jupiter MOID = 1.98918 au 
 T_jup = 3.181 
[ 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 15.1   n/a MPO433200  
diameter diameter 3.886 km 0.748 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.097   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

183550 (2003 HU57)          Discovered 2003-Apr-24 by Spacewatch at Kitt Peak
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

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