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359975 (2012 HQ13)
Classification: Jupiter Trojan          SPK-ID: 2359975
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06626499311296834 1.7583e-07  
a 5.139235699809337 5.1589e-07 au
q 4.79868428155555 1.353e-06 au
i 9.731989678577808 6.6338e-06 deg
node 66.05701049501793 8.3589e-05 deg
peri 343.5933475415371 0.00013837 deg
M 321.0584828845247 0.00011991 deg
tp 2459460.816558256101
(2021-Sep-03.31655826)
0.0014526 TDB
period 4255.457240682133
11.65
0.00064076
1.754e-06
d
yr
n .08459725468708819 1.2738e-08 deg/d
Q 5.479787118063124 5.5008e-07 au
  Orbit Determination Parameters
   # obs. used (total)      104  
   data-arc span      3640 days (9.97 yr)  
   first obs. used      2009-10-26  
   last obs. used      2019-10-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54892  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 11:19:03  

Additional Information
 Earth MOID = 3.81077 au 
 Jupiter MOID = .100393 au 
 T_jup = 2.967 
[ 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 MPO455598  

359975 (2012 HQ13)          Discovered 2009-Oct-26 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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