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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 ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3056036532178445 6.549e-08  
a 2.544243752488883 2.3787e-08 au
q 1.766713567051603 1.6496e-07 au
i 10.60995496086704 1.0524e-05 deg
node 213.9571954297881 2.2187e-05 deg
peri 118.051568523016 4.0154e-05 deg
M 104.148078579751 3.2354e-05 deg
tp 2458967.669897996978
(2020-Apr-28.16989800)
0.00013352 TDB
period 1482.301342725905
4.06
2.0788e-05
5.691e-08
d
yr
n .2428655966390554 3.4059e-09 deg/d
Q 3.321773937926163 3.1056e-08 au
  Orbit Determination Parameters
   # obs. used (total)      300  
   data-arc span      5051 days (13.83 yr)  
   first obs. used      2007-04-11  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51286  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 08:31:47  

Additional Information
 Earth MOID = .786006 au 
 Jupiter MOID = 2.20735 au 
 T_jup = 3.354 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458387.5 (2018-Sep-26.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3060903214101395 6.5665e-08  
q 1.764464374916012 1.656e-07 au
tp 2458967.776650538107
(2020-Apr-28.27665054)
0.00013336 TDB
node 213.9845853176346 2.217e-05 deg
peri 118.1086532893005 4.0159e-05 deg
i 10.61611674133864 1.053e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      300  
   data-arc span      5051 days (13.83 yr)  
   first obs. used      2007-04-11  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51286  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 08:31:47  

Additional Information
 Jupiter MOID = 2.20735 au 
 T_jup = 3.354 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.311935515207575E-15 -1.082076868621559E-14 7.500934510155812E-12 -7.061473940535681E-14 1.795542783949114E-12 -8.428097482233954E-14
q -1.082076868621559E-14 2.742278150135933E-14 -1.927302599594267E-11 1.817877994059999E-13 -4.660172939408517E-12 2.199563687176141E-13
tp 7.500934510155812E-12 -1.927302599594267E-11 1.778417735314262E-8 -1.654748411138746E-10 4.462948696952611E-9 -2.026059168843497E-10
node -7.061473940535681E-14 1.817877994059999E-13 -1.654748411138746E-10 4.915089367803881E-10 -5.22384811347455E-10 1.253509056922064E-10
peri 1.795542783949114E-12 -4.660172939408517E-12 4.462948696952611E-9 -5.22384811347455E-10 1.612765543090163E-9 -1.72743037857664E-10
i -8.428097482233954E-14 2.199563687176141E-13 -2.026059168843497E-10 1.253509056922064E-10 -1.72743037857664E-10 1.108721980406121E-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 16.91   n/a MPCxxxxx  

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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