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4462 Vaughan (1952 HJ2)
Classification: Main-belt Asteroid          SPK-ID: 2004462
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 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1411833526008437 1.7007e-08  
a 3.078242801362931 1.3575e-08 au
q 2.6436461625471 5.6361e-08 au
i 1.002939675079559 2.2795e-07 deg
node 58.15896027298052 2.9587e-05 deg
peri 199.101658370556 3.1722e-05 deg
M 222.1532380568934 9.9518e-06 deg
tp 2459955.847513234262
(2023-Jan-11.34751323)
5.6796e-05 TDB
period 1972.662258664922
5.40
1.3049e-05
3.573e-08
d
yr
n .1824944936309799 1.2072e-09 deg/d
Q 3.512839440178763 1.5491e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3144  
   data-arc span      25173 days (68.92 yr)  
   first obs. used      1952-04-18  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44404  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:38:54  

Additional Information
 Earth MOID = 1.62697 au 
 Jupiter MOID = 1.5417 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 12.44   n/a E2021B10  
diameter diameter 18.629 km 0.309 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.074   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4462 Vaughan (1952 HJ2)          Discovered 1952-Apr-24 by McDonald Observatory at Fort Davis
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1952 HJ2 = 1952 HC4 = 1952 JQ = 1984 FC2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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