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145158 (2005 HU3)
Classification: Main-belt Asteroid          SPK-ID: 2145158
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06208793267169648 4.2013e-08  
a 2.475700910704684 1.5611e-08 au
q 2.321989759245594 1.1128e-07 au
i 6.378611398434352 4.6859e-06 deg
node 156.1964178344993 3.6601e-05 deg
peri 57.46894688013028 5.198e-05 deg
M 310.3143110709901 3.8656e-05 deg
tp 2459196.869713616134
(2020-Dec-13.36971362)
0.00015333 TDB
period 1422.806011662904
3.90
1.3457e-05
3.684e-08
d
yr
n .2530211406537777 2.3932e-09 deg/d
Q 2.629412062163774 1.658e-08 au
  Orbit Determination Parameters
   # obs. used (total)      413  
   data-arc span      9868 days (27.02 yr)  
   first obs. used      1993-04-15  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56941  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 23:45:06  

Additional Information
 Earth MOID = 1.32376 au 
 Jupiter MOID = 2.33999 au 
 T_jup = 3.470 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457503.5 (2016-Apr-25.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06303425036097955 4.1912e-08  
q 2.3197278143409 1.112e-07 au
tp 2457774.550793893897
(2017-Jan-21.05079389)
0.00014797 TDB
node 156.2253108304315 3.6581e-05 deg
peri 57.64493986750792 5.1636e-05 deg
i 6.379899030298494 4.6877e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      413  
   data-arc span      9868 days (27.02 yr)  
   first obs. used      1993-04-15  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56941  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 23:45:06  

Additional Information
 Jupiter MOID = 2.33999 au 
 T_jup = 3.470 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.756630009561659E-15 -4.628496202430065E-15 -1.019736010052202E-12 -4.981492438581283E-15 -2.16972643982243E-13 -3.359873604661292E-15
q -4.628496202430065E-15 1.236616112408956E-14 3.002886806707012E-12 1.392487520021205E-14 6.423418139601997E-13 9.164847880952745E-15
tp -1.019736010052202E-12 3.002886806707012E-12 2.189506423302259E-8 6.989449548777054E-11 5.405449624974698E-9 3.585519739450473E-13
node -4.981492438581283E-15 1.392487520021205E-14 6.989449548777054E-11 1.33817151862636E-9 -1.312200516988935E-9 -8.600558905540799E-12
peri -2.16972643982243E-13 6.423418139601997E-13 5.405449624974698E-9 -1.312200516988935E-9 2.666314328142669E-9 8.554878090166749E-12
i -3.359873604661292E-15 9.164847880952745E-15 3.585519739450473E-13 -8.600558905540799E-12 8.554878090166749E-12 2.197483864182205E-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 16.3   n/a MPO469538  

145158 (2005 HU3)          Discovered 2005-Apr-28 by Lowe, A. at RAS
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

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Alternate Designations
 2005 HU3 = 2001 FW11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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