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JPL Small-Body Database Browser
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359974 (2012 HS2)
Classification: Jupiter Trojan          SPK-ID: 2359974
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1200013297557762 1.014e-07  
a 5.255758543171739 3.4254e-07 au
q 4.625060529115849 7.8653e-07 au
i 19.18895105473247 1.2276e-05 deg
node 323.87570745168 2.3006e-05 deg
peri 77.73800549092427 6.9504e-05 deg
M 274.7988845897847 7.5298e-05 deg
tp 2459642.084033262410
(2022-Mar-03.58403326)
0.00099432 TDB
period 4401.001679016867
12.05
0.00043025
1.178e-06
d
yr
n .08179955979485558 7.9968e-09 deg/d
Q 5.886456557227629 3.8364e-07 au
  Orbit Determination Parameters
   # obs. used (total)      106  
   data-arc span      6770 days (18.54 yr)  
   first obs. used      2001-02-13  
   last obs. used      2019-08-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52784  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:45:19  

Additional Information
 Earth MOID = 3.69672 au 
 Jupiter MOID = .032563 au 
 T_jup = 2.875 
[ 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 13.4   n/a MPO434270  

359974 (2012 HS2)          Discovered 2011-Dec-28 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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