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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 
[ 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 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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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1920-Aug-09 03:01 < 00:01 Eunom 0.0419665970357225 0.041946479637975 0.0419867196670084 7.14228104946868 7.14228100263555 2422545.625717722 0.931664580942786 1246.83658434203 73.2597372290801 36.520611811079 51141.1574633175 T 20 CATAB v2.0f-lin.ifort 2020-May-20 23:45:21 2020-May-20 23:45
2121-Apr-08 04:26 00:02 Hebe 0.00717423558989919 0.00715741473880191 0.00719115504123966 5.93063777019894 5.93063762408875 2495836.684640060 2.45943373511575 1576.20531367521 87.3445856360417 57.8935368000665 10410.5684929169 T 20 CATAB v2.0f-lin.ifort 2020-May-20 23:45:21 2020-May-20 23:45
2126-Dec-19 13:41 00:02 Eunom 0.0394745315162152 0.0394548359321508 0.0394942385732612 7.46593064731356 7.46593059968221 2497918.070249828 1.53385733144778 1447.89951047371 72.893057203748 47.3652829636356 59645.0457680828 T 20 CATAB v2.0f-lin.ifort 2020-May-20 23:45:21 2020-May-20 23:45

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