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74796 (1999 SH14)
Classification: Main-belt Asteroid          SPK-ID: 2074796
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1973573754828812 6.4066e-08  
a 2.313339870966716 5.9353e-09 au
q 1.856785185432817 1.4987e-07 au
i 4.263158862375666 5.4588e-06 deg
node 307.4075815828099 5.2682e-05 deg
peri 23.95355702991519 5.3415e-05 deg
M 338.7131725917802 7.4466e-06 deg
tp 2459076.491677166965
(2020-Aug-14.99167717)
2.6539e-05 TDB
period 1285.16115884623
3.52
4.946e-06
1.354e-08
d
yr
n .2801205105849874 1.078e-09 deg/d
Q 2.769894556500614 7.1067e-09 au
  Orbit Determination Parameters
   # obs. used (total)      981  
   data-arc span      9736 days (26.66 yr)  
   first obs. used      1994-03-06  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50439  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:42:17  

Additional Information
 Earth MOID = .846906 au 
 Jupiter MOID = 2.58654 au 
 T_jup = 3.553 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457396.5 (2016-Jan-09.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1969140497438568 6.4011e-08  
q 1.857604520784375 1.4956e-07 au
tp 2457792.569912352851
(2017-Feb-08.06991235)
2.7797e-05 TDB
node 307.4410817417361 5.2705e-05 deg
peri 24.12884781304337 5.3441e-05 deg
i 4.261908919185849 5.4578e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      981  
   data-arc span      9736 days (26.66 yr)  
   first obs. used      1994-03-06  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50439  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:42:17  

Additional Information
 Jupiter MOID = 2.58654 au 
 T_jup = 3.553 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.097449713759667E-15 -9.569359411007853E-15 6.677765746134334E-13 2.274055078072746E-14 1.607809822390178E-13 -1.215288250493279E-14
q -9.569359411007853E-15 2.236893480097844E-14 -1.588120616169041E-12 -5.406986961210786E-14 -3.854107858530898E-13 2.843974183042825E-14
tp 6.677765746134334E-13 -1.588120616169041E-12 7.726965300060393E-10 9.15566841109058E-12 2.591027825611518E-10 -2.011414915487874E-12
node 2.274055078072746E-14 -5.406986961210786E-14 9.15566841109058E-12 2.777764867707419E-9 -2.766931324672195E-9 1.910001749715954E-10
peri 1.607809822390178E-13 -3.854107858530898E-13 2.591027825611518E-10 -2.766931324672195E-9 2.855957760006792E-9 -1.910421400607967E-10
i -1.215288250493279E-14 2.843974183042825E-14 -2.011414915487874E-12 1.910001749715954E-10 -1.910421400607967E-10 2.978790001430685E-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 15.9   n/a MPO436306  

74796 (1999 SH14)          Discovered 1999-Sep-29 by CSS at Catalina
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 SH14 = 1999 TY237 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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