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JPL Small-Body Database Browser
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183546 (2003 HD38)
Classification: Main-belt Asteroid          SPK-ID: 2183546
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1806940377152283 6.2035e-08  
a 3.04569584059201 2.4881e-08 au
q 2.495356761502964 1.894e-07 au
i 1.324561255929805 6.2714e-06 deg
node 183.5366408889474 0.00023303 deg
peri 41.05573701302929 0.0002335 deg
M 68.86896970728255 1.2995e-05 deg
tp 2458629.093664845288
(2019-May-25.59366485)
7.0471e-05 TDB
period 1941.458994144901
5.32
2.379e-05
6.513e-08
d
yr
n .1854275578756475 2.2722e-09 deg/d
Q 3.596034919681057 2.9377e-08 au
  Orbit Determination Parameters
   # obs. used (total)      330  
   data-arc span      7213 days (19.75 yr)  
   first obs. used      1999-09-30  
   last obs. used      2019-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65312  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 19:38:21  

Additional Information
 Earth MOID = 1.48654 au 
 Jupiter MOID = 1.38588 au 
 T_jup = 3.213 
[ 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 15.9   n/a MPO436907  
diameter diameter 4.819 km 1.368 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.033   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

183546 (2003 HD38)          Discovered 2003-Apr-29 by LINEAR at Socorro
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ show close-approach data ]
Alternate Designations
 2003 HD38 = 2002 AP147 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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