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JPL Small-Body Database Browser
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226361 (2003 HP13)
Classification: Jupiter Trojan          SPK-ID: 2226361
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07473705963038184 8.4739e-08  
a 5.200829295350843 2.2394e-07 au
q 4.81213460617677 4.8806e-07 au
i 13.1741023710988 9.5518e-06 deg
node 22.7398364940605 2.5856e-05 deg
peri 52.22123683328552 7.9233e-05 deg
M 259.7953990846623 8.0565e-05 deg
tp 2460206.347779048460
(2023-Sep-18.84777905)
0.001026 TDB
period 4332.188307642869
11.86
0.00027981
7.661e-07
d
yr
n .08309888085078991 5.3672e-09 deg/d
Q 5.589523984524916 2.4068e-07 au
  Orbit Determination Parameters
   # obs. used (total)      267  
   data-arc span      5933 days (16.24 yr)  
   first obs. used      2001-02-21  
   last obs. used      2017-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60935  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 05:36:41  

Additional Information
 Earth MOID = 3.84498 au 
 Jupiter MOID = .0181539 au 
 T_jup = 2.942 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456423.5 (2013-May-11.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07290575449185356 8.0305e-08  
q 4.851598103050621 4.6269e-07 au
tp 2455894.290012375351
(2011-Nov-28.79001238)
0.00089855 TDB
node 22.92144752064508 2.5827e-05 deg
peri 54.5817910150414 8.2926e-05 deg
i 13.16070474056803 9.5419e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      267  
   data-arc span      5933 days (16.24 yr)  
   first obs. used      2001-02-21  
   last obs. used      2017-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60935  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 05:36:41  

Additional Information
 Jupiter MOID = .0181539 au 
 T_jup = 2.942 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.448855728617463E-15 -3.290996825321002E-14 -3.182026097567796E-11 1.237816974989451E-14 -2.980100741094495E-12 4.693854954053445E-15
q -3.290996825321002E-14 2.140815427292126E-13 2.672840031778671E-10 -5.478571799033679E-14 2.465306352725566E-11 1.728582191784434E-14
tp -3.182026097567796E-11 2.672840031778671E-10 8.073853025935225E-7 -1.293575072371541E-10 7.078853584040615E-8 2.734996138626528E-11
node 1.237816974989451E-14 -5.478571799033679E-14 -1.293575072371541E-10 6.670536869005386E-10 -6.605946152430255E-10 -1.020767360669992E-11
peri -2.980100741094495E-12 2.465306352725566E-11 7.078853584040615E-8 -6.605946152430255E-10 6.876680688656235E-9 1.276624498964025E-11
i 4.693854954053445E-15 1.728582191784434E-14 2.734996138626528E-11 -1.020767360669992E-11 1.276624498964025E-11 9.104747693312419E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.7   n/a MPO475852  

226361 (2003 HP13)          Discovered 2003-Apr-25 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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