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JPL Small-Body Database Browser
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410801 (2009 HT94)
Classification: Main-belt Asteroid          SPK-ID: 2410801
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09789712186050308 1.3916e-07  
a 2.541931813485264 5.1672e-08 au
q 2.293084004979408 3.6725e-07 au
i 1.728324311456908 1.4836e-05 deg
node 59.05830897106458 0.00023194 deg
peri 187.5910823750413 0.00023664 deg
M 256.0728566974664 4.7532e-05 deg
tp 2459427.837259656380
(2021-Aug-01.33725966)
0.00020166 TDB
period 1480.281364305974
4.05
4.5137e-05
1.236e-07
d
yr
n .2431970088124328 7.4155e-09 deg/d
Q 2.790779621991121 5.6731e-08 au
  Orbit Determination Parameters
   # obs. used (total)      83  
   data-arc span      3448 days (9.44 yr)  
   first obs. used      2009-04-28  
   last obs. used      2018-10-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5775  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:12:22  

Additional Information
 Earth MOID = 1.27947 au 
 Jupiter MOID = 2.21991 au 
 T_jup = 3.438 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456932.5 (2014-Oct-02.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09883887910834287 1.3853e-07  
q 2.290112513952847 3.6587e-07 au
tp 2456468.719791142438
(2013-Jun-25.21979114)
0.00017358 TDB
node 59.06724051857904 0.00023193 deg
peri 187.8249936918538 0.00023658 deg
i 1.728839077942484 1.4832e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      83  
   data-arc span      3448 days (9.44 yr)  
   first obs. used      2009-04-28  
   last obs. used      2018-10-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5775  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:12:22  

Additional Information
 Jupiter MOID = 2.21991 au 
 T_jup = 3.438 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.919007422256429E-14 -5.029600073507192E-14 -6.797303933852476E-12 -1.297486481244605E-13 -1.470291137538892E-12 8.46086455647388E-15
q -5.029600073507192E-14 1.338590969091291E-13 1.780003589805251E-11 3.421314777426131E-13 4.013198190911734E-12 -2.114111230715346E-14
tp -6.797303933852476E-12 1.780003589805251E-11 3.013045686981922E-8 7.232754871371058E-12 8.087645408167957E-9 -3.174880261273762E-12
node -1.297486481244605E-13 3.421314777426131E-13 7.232754871371058E-12 5.378958386641181E-8 -5.376338149135638E-8 -6.52478300303605E-10
peri -1.470291137538892E-12 4.013198190911734E-12 8.087645408167957E-9 -5.376338149135638E-8 5.596779255154532E-8 6.515360508969239E-10
i 8.46086455647388E-15 -2.114111230715346E-14 -3.174880261273762E-12 -6.52478300303605E-10 6.515360508969239E-10 2.199919776755603E-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 17.7   n/a MPO460559  

410801 (2009 HT94)          Discovered 2009-Apr-28 by Cerro Burek at Cerro Burek
Reference: Last Updated: 2014-10-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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