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5422 Hodgkin (1982 YL1)
Classification: Main-belt Asteroid          SPK-ID: 2005422
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2411266692940852 3.5444e-08  
a 2.968364074849635 1.2001e-08 au
q 2.252612332228924 1.0413e-07 au
i 6.615213475070443 4.4657e-06 deg
node 32.84717261724814 3.3956e-05 deg
peri 9.167260367824337 3.4984e-05 deg
M 140.1595137121565 1.0087e-05 deg
tp 2458273.232369323779
(2018-Jun-03.73236932)
5.0161e-05 TDB
period 1867.988409128816
5.11
1.1329e-05
3.102e-08
d
yr
n .1927206819061019 1.1688e-09 deg/d
Q 3.684115817470346 1.4895e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2186  
   data-arc span      25036 days (68.54 yr)  
   first obs. used      1951-11-30  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46051  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:19:58  

Additional Information
 Earth MOID = 1.26138 au 
 Jupiter MOID = 1.74678 au 
 T_jup = 3.209 
[ 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 12.7   n/a MPO431560  
diameter diameter 16.336 km 0.262 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.066   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

5422 Hodgkin (1982 YL1)          Discovered 1982-Dec-23 by Karachkina, L. G. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1982 YL1 = 1956 XS = 1966 RK = 1976 SH10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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