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266447 (2007 HU94)
Classification: Main-belt Asteroid          SPK-ID: 2266447
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2009336300221836 5.855e-08  
a 2.696656066134955 2.1562e-08 au
q 2.154807173845116 1.6124e-07 au
i 6.607268644481833 6.5194e-06 deg
node 53.10335850747877 4.8842e-05 deg
peri 168.1417982278744 5.1495e-05 deg
M 15.2239574177948 1.4181e-05 deg
tp 2459132.099098411237
(2020-Oct-09.59909841)
6.3473e-05 TDB
period 1617.471981573735
4.43
1.94e-05
5.311e-08
d
yr
n .2225695431519837 2.6695e-09 deg/d
Q 3.238504958424793 2.5895e-08 au
  Orbit Determination Parameters
   # obs. used (total)      281  
   data-arc span      8113 days (22.21 yr)  
   first obs. used      1998-03-25  
   last obs. used      2020-06-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55751  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 03:15:55  

Additional Information
 Earth MOID = 1.14577 au 
 Jupiter MOID = 1.73771 au 
 T_jup = 3.331 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457389.5 (2016-Jan-02.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2016292712804995 5.8482e-08  
q 2.153647293012555 1.6127e-07 au
tp 2457512.627339030023
(2016-May-04.12733903)
6.033e-05 TDB
node 53.12288903524215 4.8844e-05 deg
peri 167.8218619288275 5.1478e-05 deg
i 6.607323453119616 6.5191e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      281  
   data-arc span      8113 days (22.21 yr)  
   first obs. used      1998-03-25  
   last obs. used      2020-06-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55751  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 03:15:55  

Additional Information
 Jupiter MOID = 1.73771 au 
 T_jup = 3.331 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.42015164951834E-15 -9.37830490016956E-15 -3.653035691096881E-13 -2.707171466938416E-14 -1.019486886784401E-14 -1.99499500829253E-15
q -9.37830490016956E-15 2.600884754716033E-14 9.820317153976155E-13 7.425889004572432E-14 1.319576202019841E-14 5.799317300424073E-15
tp -3.653035691096881E-13 9.820317153976155E-13 3.639651422480247E-9 -6.517815600451203E-12 1.004358999125182E-9 3.273291848715352E-12
node -2.707171466938416E-14 7.425889004572432E-14 -6.517815600451203E-12 2.385761905198228E-9 -2.371508849173496E-9 -8.628794780437893E-11
peri -1.019486886784401E-14 1.319576202019841E-14 1.004358999125182E-9 -2.371508849173496E-9 2.650000710615349E-9 8.662151789116228E-11
i -1.99499500829253E-15 5.799317300424073E-15 3.273291848715352E-12 -8.628794780437893E-11 8.662151789116228E-11 4.249925652172398E-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 16.59   n/a E2021B55  

266447 (2007 HU94)          Discovered 2007-Apr-26 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

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