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48491 (1992 HG5)
Classification: Main-belt Asteroid          SPK-ID: 2048491
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1710985929444771 4.3399e-08  
a 3.119502161220738 1.9323e-08 au
q 2.585759730748615 1.3872e-07 au
i 16.98286176423359 5.1767e-06 deg
node 16.32791629848581 1.4049e-05 deg
peri 227.1462827687014 2.0108e-05 deg
M .4444055896184266 1.4425e-05 deg
tp 2458998.015703799645
(2020-May-28.51570380)
8.0635e-05 TDB
period 2012.455857937961
5.51
1.8698e-05
5.119e-08
d
yr
n .1788859112511763 1.6621e-09 deg/d
Q 3.653244591692862 2.2629e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1267  
   data-arc span      10361 days (28.37 yr)  
   first obs. used      1992-04-24  
   last obs. used      2020-09-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5219  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:37:08  

Additional Information
 Earth MOID = 1.60659 au 
 Jupiter MOID = 1.48127 au 
 T_jup = 3.127 
[ 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 13.5   n/a MPO302335  
diameter diameter 6.109 km 0.337 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.299   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48491 (1992 HG5)          Discovered 1992-Apr-24 by Debehogne, H. at La Silla
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1992 HG5 = 2002 BH30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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