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487589 (2015 HU64)
Classification: Main-belt Asteroid          SPK-ID: 2487589
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3056124019699016 6.5878e-08  
a 2.543761278091534 2.3845e-08 au
q 1.766356283855953 1.6609e-07 au
i 10.61088987514578 1.0788e-05 deg
node 213.9640315316497 2.2197e-05 deg
peri 118.0104522903258 4.0381e-05 deg
M 56.57779355214726 3.2583e-05 deg
tp 2458967.606986283662
(2020-Apr-28.10698628)
0.00013435 TDB
period 1481.879721247982
4.06
2.0837e-05
5.705e-08
d
yr
n .2429346962767139 3.4159e-09 deg/d
Q 3.321166272327114 3.1132e-08 au
  Orbit Determination Parameters
   # obs. used (total)      296  
   data-arc span      5028 days (13.77 yr)  
   first obs. used      2007-04-11  
   last obs. used      2021-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51284  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 18:32:50  

Additional Information
 Earth MOID = .784674 au 
 Jupiter MOID = 2.20792 au 
 T_jup = 3.354 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458358.5 (2018-Aug-28.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3060932636287948 6.6155e-08  
q 1.764441180076038 1.6703e-07 au
tp 2458967.786908031679
(2020-Apr-28.28690803)
0.00013418 TDB
node 213.9847539357855 2.2182e-05 deg
peri 118.1112004554108 4.0381e-05 deg
i 10.61608253312702 1.0793e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      296  
   data-arc span      5028 days (13.77 yr)  
   first obs. used      2007-04-11  
   last obs. used      2021-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51284  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 18:32:50  

Additional Information
 Jupiter MOID = 2.20792 au 
 T_jup = 3.354 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.376506054789031E-15 -1.099594756905002E-14 7.620912538412087E-12 -7.146497804619186E-14 1.829171307357872E-12 -8.550645584964508E-14
q -1.099594756905002E-14 2.789806136409061E-14 -1.959956037782785E-11 1.841101070040486E-13 -4.75169495129471E-12 2.233845180266521E-13
tp 7.620912538412087E-12 -1.959956037782785E-11 1.800334205180954E-8 -1.670624103499825E-10 4.524648486684249E-9 -2.048463302323741E-10
node -7.146497804619186E-14 1.841101070040486E-13 -1.670624103499825E-10 4.920487564152026E-10 -5.233504902762234E-10 1.27070195172455E-10
peri 1.829171307357872E-12 -4.75169495129471E-12 4.524648486684249E-9 -5.233504902762234E-10 1.630638713693659E-9 -1.750551225219062E-10
i -8.550645584964508E-14 2.233845180266521E-13 -2.048463302323741E-10 1.27070195172455E-10 -1.750551225219062E-10 1.164800180108346E-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 16.7   n/a MPO394203  

487589 (2015 HU64)          Discovered 2007-Apr-11 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2017-03-14

Alternate Designations
 2015 HU64 = 2007 GB22 = 2011 HU75 = 2016 WB28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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