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376446 (2012 HD50)
Classification: Main-belt Asteroid          SPK-ID: 2376446
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2113659106811947 8.2664e-08  
a 2.745117803718633 5.5966e-08 au
q 2.164893479208483 2.4853e-07 au
i 26.76023122021084 1.399e-05 deg
node 200.6508350861601 1.6946e-05 deg
peri 63.84557779671924 4.4935e-05 deg
M 249.7616124424083 5.3675e-05 deg
tp 2459509.209980254297
(2021-Oct-21.70998025)
0.00026084 TDB
period 1661.268791652742
4.55
5.0803e-05
1.391e-07
d
yr
n .2167018376609891 6.627e-09 deg/d
Q 3.325342128228784 6.7795e-08 au
  Orbit Determination Parameters
   # obs. used (total)      88  
   data-arc span      5654 days (15.48 yr)  
   first obs. used      2003-04-25  
   last obs. used      2018-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67384  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 05:05:29  

Additional Information
 Earth MOID = 1.26315 au 
 Jupiter MOID = 1.95496 au 
 T_jup = 3.163 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456760.5 (2014-Apr-13.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2126927094514563 8.2107e-08  
q 2.159868107671146 2.4681e-07 au
tp 2456187.279676761721
(2012-Sep-16.77967676)
0.0001803 TDB
node 200.7316085291612 1.6966e-05 deg
peri 63.76720087168289 4.473e-05 deg
i 26.7530849045462 1.3987e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      88  
   data-arc span      5654 days (15.48 yr)  
   first obs. used      2003-04-25  
   last obs. used      2018-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67384  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 05:05:29  

Additional Information
 Jupiter MOID = 1.95496 au 
 T_jup = 3.163 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.741549667268691E-15 -1.99985578378107E-14 -8.386950014584189E-12 5.701934554457883E-14 -1.845355123739242E-12 -7.592715013948263E-14
q -1.99985578378107E-14 6.091709542101515E-14 2.831330430068416E-11 -1.67579966946625E-13 6.324755029135135E-12 2.686686924898383E-13
tp -8.386950014584189E-12 2.831330430068416E-11 3.250851588563222E-8 -1.125629025548725E-10 7.492305256561659E-9 3.021038403721512E-10
node 5.701934554457883E-14 -1.67579966946625E-13 -1.125629025548725E-10 2.878462028838586E-10 -2.810274764125289E-10 -5.293356055823834E-11
peri -1.845355123739242E-12 6.324755029135135E-12 7.492305256561659E-9 -2.810274764125289E-10 2.000777426263522E-9 1.161668482905699E-10
i -7.592715013948263E-14 2.686686924898383E-13 3.021038403721512E-10 -5.293356055823834E-11 1.161668482905699E-10 1.95639234717897E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO460475  

376446 (2012 HD50)          Discovered 2003-Apr-25 by LONEOS at Anderson Mesa
Reference: Last Updated: 2013-10-21

[ show close-approach data ]
Alternate Designations
 2012 HD50 = 2004 TD150 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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