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

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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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07473711323045183 5.9261e-08  
a 5.200829328282027 1.8662e-07 au
q 4.812134357881958 4.3835e-07 au
i 13.17410600136046 7.2627e-06 deg
node 22.73984351193202 2.4521e-05 deg
peri 52.22124692411175 7.6368e-05 deg
M 259.7953887606513 7.8382e-05 deg
tp 2460206.347914739107
(2023-Sep-18.84791474)
0.00099595 TDB
period 4332.18834878941
11.86
0.00023318
6.384e-07
d
yr
n .08309888006152794 4.4727e-09 deg/d
Q 5.589524298682095 2.0057e-07 au
  Orbit Determination Parameters
   # obs. used (total)      312  
   data-arc span      7171 days (19.63 yr)  
   first obs. used      2001-02-21  
   last obs. used      2020-10-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56034  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:33:13  

Additional Information
 Earth MOID = 3.84498 au 
 Jupiter MOID = .0181538 au 
 T_jup = 2.942 
[ show covariance matrix ]

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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