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437761 (2014 HG170)
Classification: Jupiter Trojan          SPK-ID: 2437761
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09147494182069171 9.9804e-08  
a 5.224305435587326 3.9014e-07 au
q 4.746412399813451 7.063e-07 au
i 10.75608310890458 1.1343e-05 deg
node 151.4649135988103 6.4287e-05 deg
peri 337.71419946 0.00011972 deg
M 243.984706794844 0.00011309 deg
tp 2460406.074947019167
(2024-Apr-05.57494702)
0.0014871 TDB
period 4361.554127455432
11.94
0.00048856
1.338e-06
d
yr
n .08253938607200711 9.2457e-09 deg/d
Q 5.7021984713612 4.2582e-07 au
  Orbit Determination Parameters
   # obs. used (total)      74  
   data-arc span      7183 days (19.67 yr)  
   first obs. used      2001-02-16  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62303  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 09:34:41  

Additional Information
 Earth MOID = 3.76386 au 
 Jupiter MOID = .616237 au 
 T_jup = 2.957 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457345.5 (2015-Nov-19.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09295899653243012 9.9894e-08  
q 4.729546457996794 7.0121e-07 au
tp 2456056.953602155726
(2012-May-09.45360216)
0.001134 TDB
node 151.4772414454589 6.4294e-05 deg
peri 338.10801005878 0.00011836 deg
i 10.76084695369638 1.1348e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      74  
   data-arc span      7183 days (19.67 yr)  
   first obs. used      2001-02-16  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62303  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 09:34:41  

Additional Information
 Jupiter MOID = .616237 au 
 T_jup = 2.957 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.978857199656288E-15 -6.126122025380653E-14 2.210049999721395E-11 5.691994575775455E-15 1.107097816385176E-12 -1.056463115393809E-14
q -6.126122025380653E-14 4.916968568004247E-13 1.087145360502327E-10 -4.71993245156461E-14 1.702007963104336E-11 5.43227062164242E-14
tp 2.210049999721395E-11 1.087145360502327E-10 1.285986241920133E-6 -2.710131088051671E-11 1.124325326069227E-7 -2.221639340886124E-10
node 5.691994575775455E-15 -4.71993245156461E-14 -2.710131088051671E-11 4.133727626866385E-9 -4.064132888527374E-9 3.270495002102493E-10
peri 1.107097816385176E-12 1.702007963104336E-11 1.124325326069227E-7 -4.064132888527374E-9 1.400996408831795E-8 -3.393728338117437E-10
i -1.056463115393809E-14 5.43227062164242E-14 -2.221639340886124E-10 3.270495002102493E-10 -3.393728338117437E-10 1.287877434485105E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2   n/a MPO456079  

437761 (2014 HG170)          Discovered 2012-Jan-02 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-06-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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