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441046 (2007 HM45)
Classification: Main-belt Asteroid          SPK-ID: 2441046
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2067016227343133 1.1304e-07  
a 2.440676133575629 2.9333e-08 au
q 1.936184416196637 2.592e-07 au
i 3.554830248236535 9.7514e-06 deg
node 125.8337642468841 0.00012595 deg
peri 183.3604843446411 0.00012867 deg
M 96.72365581846609 2.6225e-05 deg
tp 2458626.308549412365
(2019-May-22.80854941)
9.7353e-05 TDB
period 1392.719506636249
3.81
2.5108e-05
6.874e-08
d
yr
n .2584870810558876 4.6599e-09 deg/d
Q 2.945167850954621 3.5397e-08 au
  Orbit Determination Parameters
   # obs. used (total)      103  
   data-arc span      4551 days (12.46 yr)  
   first obs. used      2007-04-18  
   last obs. used      2019-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47923  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 15:55:32  

Additional Information
 Earth MOID = .921592 au 
 Jupiter MOID = 2.32177 au 
 T_jup = 3.470 
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Orbital Elements at Epoch 2457705.5 (2016-Nov-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2073177743846591 1.1313e-07  
q 1.934134423909491 2.5975e-07 au
tp 2457234.682099924942
(2015-Jul-31.18209992)
8.5111e-05 TDB
node 125.8712476973984 0.00012603 deg
peri 183.4850257208707 0.00012874 deg
i 3.554502523280553 9.7529e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      103  
   data-arc span      4551 days (12.46 yr)  
   first obs. used      2007-04-18  
   last obs. used      2019-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47923  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 15:55:32  

Additional Information
 Jupiter MOID = 2.32177 au 
 T_jup = 3.470 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.279885521109329E-14 -2.933269230404287E-14 5.81168016637422E-12 2.910055742418946E-13 1.691896846105956E-12 -1.121723397234332E-14
q -2.933269230404287E-14 6.747184633728245E-14 -1.347613292197778E-11 -6.630621076610175E-13 -3.89892509418627E-12 2.591008912990455E-14
tp 5.81168016637422E-12 -1.347613292197778E-11 7.243885629719616E-9 1.792630188028542E-10 2.303313940515017E-9 -5.914841884408987E-12
node 2.910055742418946E-13 -6.630621076610175E-13 1.792630188028542E-10 1.588422926825702E-8 -1.578989466721978E-8 8.292582952474153E-10
peri 1.691896846105956E-12 -3.89892509418627E-12 2.303313940515017E-9 -1.578989466721978E-8 1.65731027499145E-8 -8.295758485905983E-10
i -1.121723397234332E-14 2.591008912990455E-14 -5.914841884408987E-12 8.292582952474153E-10 -8.295758485905983E-10 9.511989615573178E-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 17.8   n/a MPO440825  

441046 (2007 HM45)          Discovered 2007-Apr-18 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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