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72819 Brunet (2001 HX)
Classification: Main-belt Asteroid          SPK-ID: 2072819
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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0663420566175191 4.5284e-08  
a 3.166176811649987 2.2057e-08 au
q 2.956126130350427 1.5171e-07 au
i 9.317250855651544 4.9627e-06 deg
node 174.8174269625847 2.3862e-05 deg
peri 257.163462174797 4.2387e-05 deg
M 7.451606527038678 3.4813e-05 deg
tp 2459353.905984323934
(2021-May-19.40598432)
0.00019901 TDB
period 2057.790570093026
5.63
2.1503e-05
5.887e-08
d
yr
n .1749449167627032 1.8281e-09 deg/d
Q 3.376227492949546 2.352e-08 au
  Orbit Determination Parameters
   # obs. used (total)      836  
   data-arc span      8111 days (22.21 yr)  
   first obs. used      1998-12-22  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48021  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:50:36  

Additional Information
 Earth MOID = 1.98804 au 
 Jupiter MOID = 1.84563 au 
 T_jup = 3.180 
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Orbital Elements at Epoch 2457777.5 (2017-Jan-24.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06296423077632858 4.5274e-08  
q 2.969363751276931 1.502e-07 au
tp 2457274.871850401749
(2015-Sep-09.37185040)
0.00021177 TDB
node 175.0470271637438 2.3747e-05 deg
peri 253.7973509868252 4.395e-05 deg
i 9.33515446870153 4.9749e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      836  
   data-arc span      8111 days (22.21 yr)  
   first obs. used      1998-12-22  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48021  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:50:36  

Additional Information
 Jupiter MOID = 1.84563 au 
 T_jup = 3.180 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.049761423415816E-15 -6.742642547555831E-15 -3.227345064573805E-12 5.242817796339288E-15 -5.088464640898992E-13 -1.199888090920534E-15
q -6.742642547555831E-15 2.256014120470738E-14 9.596054249846976E-12 -1.594350945893394E-14 1.508953418428726E-12 5.471968182374853E-15
tp -3.227345064573805E-12 9.596054249846976E-12 4.48479893411699E-8 -1.165192525019594E-11 7.846160008361277E-9 8.455537710514567E-12
node 5.242817796339288E-15 -1.594350945893394E-14 -1.165192525019594E-11 5.639232309524935E-10 -5.578671689110373E-10 4.123458340905982E-11
peri -5.088464640898992E-13 1.508953418428726E-12 7.846160008361277E-9 -5.578671689110373E-10 1.931621464712353E-9 -3.920922532776673E-11
i -1.199888090920534E-15 5.471968182374853E-15 8.455537710514567E-12 4.123458340905982E-11 -3.920922532776673E-11 2.474915885822581E-11

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 14.53   n/a E2021B10  
diameter diameter 7.454 km 0.140 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72819 Brunet           Discovered 2001 Apr. 18 at St.-Véran Observatory.
Following the Paris Obsevatory's 1974 decision to establish an observing station near Saint-Véran, Joseph Brunet (b. 1935) was one of the three people involved in the construction.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040928/MPCPages.arcLast Updated: 2004-09-28

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Alternate Designations
 2001 HX = 2000 EU160 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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