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193743 (2001 HG54)
Classification: Main-belt Asteroid          SPK-ID: 2193743
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1612805806419496 5.6131e-08  
a 3.083544286912221 3.498e-08 au
q 2.586228473883851 1.6594e-07 au
i 14.44306408627128 6.2066e-06 deg
node 101.701959016293 2.0576e-05 deg
peri 197.2171145012013 2.6542e-05 deg
M 130.2873095579512 1.7069e-05 deg
tp 2458284.730270931376
(2018-Jun-15.23027093)
9.2688e-05 TDB
period 1977.760561170319
5.41
3.3654e-05
9.214e-08
d
yr
n .1820240564343005 3.0974e-09 deg/d
Q 3.580860099940591 4.0622e-08 au
  Orbit Determination Parameters
   # obs. used (total)      336  
   data-arc span      6854 days (18.77 yr)  
   first obs. used      2001-04-24  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62594  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 22:08:10  

Additional Information
 Earth MOID = 1.57379 au 
 Jupiter MOID = 1.63772 au 
 T_jup = 3.159 
[ 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 15.1   n/a MPO454345  
diameter diameter 6.517 km 2.267 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.035   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

193743 (2001 HG54)          Discovered 2001-Apr-24 by LONEOS at Anderson Mesa
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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