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319409 (2006 HP18)
Classification: Main-belt Asteroid          SPK-ID: 2319409
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2283477230307263 5.704e-08  
a 2.688177231516446 2.2872e-08 au
q 2.074338081596624 1.5861e-07 au
i 6.215040331398771 6.4296e-06 deg
node 104.7683827754957 5.4087e-05 deg
peri 119.586887423859 5.6017e-05 deg
M 64.93905550564608 1.2331e-05 deg
tp 2458710.105262770472
(2019-Aug-14.60526277)
5.4213e-05 TDB
period 1609.849490243058
4.41
2.0546e-05
5.625e-08
d
yr
n .2236233897528188 2.854e-09 deg/d
Q 3.302016381436268 2.8095e-08 au
  Orbit Determination Parameters
   # obs. used (total)      195  
   data-arc span      6231 days (17.06 yr)  
   first obs. used      2002-06-03  
   last obs. used      2019-06-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65198  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:08:55  

Additional Information
 Earth MOID = 1.07353 au 
 Jupiter MOID = 1.71038 au 
 T_jup = 3.327 
[ 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 16.8   n/a MPO434030  

319409 (2006 HP18)          Discovered 2006-Apr-23 by Lowe, A. at Mayhill
Reference: 20120308/Numbers.arcLast Updated: 2012-03-13

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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
1929-Jun-28 08:03 00:03 Jupiter 1.77261325699501 1.77261165920616 1.77261485479817 1.24396935591617 0.769274428652533 2425790.835648302 3.38307848624024 1328.76211418399 435.673222664937 16.0381101124694 592764.960693391 T 11 CATAB v2.0f-lin.ifort 2019-Sep-24 06:08:56 2019-Sep-24 06:08
1964-Jun-09 14:29 00:02 Jupiter 1.6989343538645 1.69893386170725 1.69893484602188 0.850655763204403 n/a 2438556.103388881 1.90892585093487 335.107397497413 24.4813507466636 89.7046467464044 10378590.0387273 F 11 CATAB v2.0f-lin.ifort 2019-Sep-24 06:08:56 2019-Sep-24 06:08
1999-May-16 20:06 < 00:01 Jupiter 1.79411881923643 1.79411819420807 1.79411944426611 1.11191088370626 0.540485531077911 2451315.337434457 0.636189105161631 1773.99456795145 518.997879951435 15.0513140652407 1179055.12656943 T 11 CATAB v2.0f-lin.ifort 2019-Sep-24 06:08:56 2019-Sep-24 06:08
2048-Sep-13 22:07 00:01 Jupiter 1.93940325127118 1.93940209635713 1.93940440618722 1.9019281122179 1.65645487973952 2469333.421771484 1.2987780892255 185.884139213154 68.0824308882314 -88.634700504922 935243.191461038 T 11 CATAB v2.0f-lin.ifort 2019-Sep-24 06:08:56 2019-Sep-24 06:08
2083-Aug-18 06:37 00:02 Jupiter 1.74546863970825 1.74546754230898 1.74546973712508 1.1950988088291 0.67655182144855 2482089.775885625 2.49067925021071 1654.93500584947 502.530222844802 10.1685215247101 623920.56972248 T 11 CATAB v2.0f-lin.ifort 2019-Sep-24 06:08:56 2019-Sep-24 06:08
2118-Jul-31 13:51 00:04 Jupiter 1.70588366659102 1.70588290617236 1.70588442703957 0.885303767964961 n/a 2494855.077146065 3.81831111164104 533.139164607039 28.1626538812925 87.266262559233 9048694.54055949 F 11 CATAB v2.0f-lin.ifort 2019-Sep-24 06:08:56 2019-Sep-24 06:08
2153-Jul-05 03:16 00:06 Jupiter 1.83904378122697 1.83904059283145 1.83904696981642 1.29271274130796 0.86599704047643 2507612.636121911 5.55027440168907 2158.02214130809 211.603967604305 39.6989810064392 1207295.97148845 T 11 CATAB v2.0f-lin.ifort 2019-Sep-24 06:08:56 2019-Sep-24 06:08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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