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359975 (2012 HQ13)
Classification: Jupiter Trojan          SPK-ID: 2359975
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06575738151033288 1.7577e-07  
a 5.137068967747243 5.1592e-07 au
q 4.799268763790196 1.3526e-06 au
i 9.732149487462388 6.6341e-06 deg
node 66.0530672907712 8.3601e-05 deg
peri 343.7257186856987 0.00013924 deg
M 287.0390518892397 0.00011863 deg
tp 2459462.405177603056
(2021-Sep-04.90517760)
0.0014652 TDB
period 4252.766335575331
11.64
0.00064066
1.754e-06
d
yr
n .08465078294768286 1.2752e-08 deg/d
Q 5.474869171704291 5.4985e-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 = 3.8109 au 
 Jupiter MOID = .0971594 au 
 T_jup = 2.967 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457825.5 (2017-Mar-13.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06532117927257902 1.75e-07  
q 4.799235195581635 1.3471e-06 au
tp 2459468.379761008130
(2021-Sep-10.87976101)
0.0014874 TDB
node 66.06361166189679 8.3586e-05 deg
peri 344.2218589719976 0.00014068 deg
i 9.734141495302609 6.6351e-06 deg
  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
 Jupiter MOID = .0971594 au 
 T_jup = 2.967 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.062340988977984E-14 -2.328125953023372E-13 -1.736128382448607E-10 6.730369525620208E-14 -1.036949382608066E-11 -5.020443750710247E-14
q -2.328125953023372E-13 1.814653590648864E-12 1.269608497714744E-9 -4.707430299730992E-13 7.259969723171907E-11 3.967325312744588E-13
tp -1.736128382448607E-10 1.269608497714744E-9 2.212320121079275E-6 -8.603316306111076E-10 1.660958656942443E-7 3.695859670670085E-10
node 6.730369525620208E-14 -4.707430299730992E-13 -8.603316306111076E-10 6.986646185312749E-9 -6.951153289899174E-9 -4.960237114000371E-11
peri -1.036949382608066E-11 7.259969723171907E-11 1.660958656942443E-7 -6.951153289899174E-9 1.97897058301636E-8 7.239213574152563E-11
i -5.020443750710247E-14 3.967325312744588E-13 3.695859670670085E-10 -4.960237114000371E-11 7.239213574152563E-11 4.402519174180828E-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 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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