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JPL Small-Body Database Browser
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5837 Hedin (2548 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2005837
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1441922141945848 3.3714e-08  
a 3.126624864427672 1.7693e-08 au
q 2.675789902270002 1.0954e-07 au
i 2.182765251294318 3.6645e-06 deg
node 104.9881948330925 0.00011886 deg
peri 155.113363119827 0.00011988 deg
M 8.259998869732781 1.6527e-05 deg
tp 2458954.167089741979
(2020-Apr-14.66708974)
9.2631e-05 TDB
period 2019.352297251254
5.53
1.7141e-05
4.693e-08
d
yr
n .1782749847513149 1.5133e-09 deg/d
Q 3.577459826585341 2.0245e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1858  
   data-arc span      21413 days (58.63 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50375  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 01:11:54  

Additional Information
 Earth MOID = 1.66062 au 
 Jupiter MOID = 1.48751 au 
 T_jup = 3.197 
[ 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 13.1   n/a MPO347571  
diameter diameter 11.524 km 0.280 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.726 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.133   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

5837 Hedin (2548 P-L)          Discovered 1960-Sep-24 by van Houten and Gehrels at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 2548 P-L = 1986 EU5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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