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120385 (2005 QB36)
Classification: Main-belt Asteroid          SPK-ID: 2120385
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07274560575816789 4.2923e-08  
a 3.064518543312219 2.359e-08 au
q 2.841588285521833 1.421e-07 au
i 9.852565951592844 5.9049e-06 deg
node 177.4350775042335 2.7838e-05 deg
peri 126.5610236876502 5.2943e-05 deg
M 352.1861542620503 4.3581e-05 deg
tp 2459243.030857558475
(2021-Jan-28.53085756)
0.00023723 TDB
period 1959.484386374452
5.36
2.2625e-05
6.194e-08
d
yr
n .1837218007468242 2.1214e-09 deg/d
Q 3.287448801102605 2.5306e-08 au
  Orbit Determination Parameters
   # obs. used (total)      450  
   data-arc span      10396 days (28.46 yr)  
   first obs. used      1992-03-03  
   last obs. used      2020-08-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57327  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:06:11  

Additional Information
 Earth MOID = 1.83882 au 
 Jupiter MOID = 1.94236 au 
 T_jup = 3.206 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456996.5 (2014-Dec-05.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07066014971466418 4.3282e-08  
q 2.845019406418796 1.426e-07 au
tp 2457293.670951336425
(2015-Sep-28.17095134)
0.00024366 TDB
node 177.5265144453859 2.7853e-05 deg
peri 127.8747741366761 5.3953e-05 deg
i 9.851163917386987 5.9059e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      450  
   data-arc span      10396 days (28.46 yr)  
   first obs. used      1992-03-03  
   last obs. used      2020-08-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57327  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:06:11  

Additional Information
 Jupiter MOID = 1.94236 au 
 T_jup = 3.206 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.873361586058527E-15 -6.110069362493592E-15 1.909439970282719E-12 -8.064457953347446E-15 4.121323342553154E-13 -4.172584661378928E-15
q -6.110069362493592E-15 2.03351333520935E-14 -6.178145734547756E-12 2.674933978421487E-14 -1.349440523669301E-12 1.596558779439397E-14
tp 1.909439970282719E-12 -6.178145734547756E-12 5.937202559290802E-8 -1.47071171658754E-11 1.128062511707147E-8 2.180606258572781E-11
node -8.064457953347446E-15 2.674933978421487E-14 -1.47071171658754E-11 7.757739193213597E-10 -7.669691020323474E-10 4.059093058424933E-11
peri 4.121323342553154E-13 -1.349440523669301E-12 1.128062511707147E-8 -7.669691020323474E-10 2.910907121879664E-9 -3.599850497912346E-11
i -4.172584661378928E-15 1.596558779439397E-14 2.180606258572781E-11 4.059093058424933E-11 -3.599850497912346E-11 3.488007139948296E-11

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 15.25   n/a E2021B55  

120385 (2005 QB36)          Discovered 2005-Aug-25 by NEAT at Palomar
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2005 QB36 = 1998 HX149 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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