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295372 (2008 HR56)
Classification: Jupiter Trojan          SPK-ID: 2295372
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1040344865797966 6.0849e-08  
a 5.172081495776265 1.8883e-07 au
q 4.634006652814315 4.2464e-07 au
i 2.065882337518318 6.2973e-06 deg
node 143.6190854915256 0.00021062 deg
peri 171.4252549967275 0.00021517 deg
M 268.4300279232434 4.9199e-05 deg
tp 2460093.316005046285
(2023-May-28.81600505)
0.00061934 TDB
period 4296.318464385815
11.76
0.00023529
6.442e-07
d
yr
n .08379267109368352 4.589e-09 deg/d
Q 5.710156338738215 2.0848e-07 au
  Orbit Determination Parameters
   # obs. used (total)      213  
   data-arc span      6763 days (18.52 yr)  
   first obs. used      2001-10-20  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60374  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 18:42:02  

Additional Information
 Earth MOID = 3.6203 au 
 Jupiter MOID = .0121258 au 
 T_jup = 2.988 
[ 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 13.7   n/a MPO433904  

295372 (2008 HR56)          Discovered 2008-Apr-30 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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