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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3056407141955428 7.1442e-08  
a 2.543645068825165 3.7701e-08 au
q 1.766203573329471 1.7549e-07 au
i 10.61126614435149 1.3034e-05 deg
node 213.9644184742156 2.7492e-05 deg
peri 117.9895900199136 5.0278e-05 deg
M 8.000228831174923 4.8415e-05 deg
tp 2458967.570654229299
(2020-Apr-28.07065423)
0.0001989 TDB
period 1481.778175051452
4.06
3.2944e-05
9.02e-08
d
yr
n .2429513445813168 5.4014e-09 deg/d
Q 3.32108656432086 4.9224e-08 au
  Orbit Determination Parameters
   # obs. used (total)      150  
   data-arc span      4436 days (12.15 yr)  
   first obs. used      2007-04-11  
   last obs. used      2019-06-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58287  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 15:27:45  

Additional Information
 Earth MOID = .786276 au 
 Jupiter MOID = 2.20755 au 
 T_jup = 3.354 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457632.5 (2016-Sep-01.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3059647738040171 7.2258e-08  
q 1.765387749627005 1.7828e-07 au
tp 2457487.029333283158
(2016-Apr-08.52933328)
0.00018531 TDB
node 213.9830055728282 2.7472e-05 deg
peri 118.1986565856494 5.027e-05 deg
i 10.61559578194356 1.3039e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      150  
   data-arc span      4436 days (12.15 yr)  
   first obs. used      2007-04-11  
   last obs. used      2019-06-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58287  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 15:27:45  

Additional Information
 Jupiter MOID = 2.20755 au 
 T_jup = 3.354 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.221171128416405E-15 -1.275773072865455E-14 1.080598203182695E-11 1.667419589643462E-14 2.489142948351829E-12 -5.271202890768956E-14
q -1.275773072865455E-14 3.178460181412388E-14 -2.585754328716253E-11 -4.012400444743616E-14 -5.954318385485265E-12 1.315754261075776E-13
tp 1.080598203182695E-11 -2.585754328716253E-11 3.433874816750313E-8 5.171823456675662E-11 7.814211904201389E-9 -1.6682570569402E-10
node 1.667419589643462E-14 -4.012400444743616E-14 5.171823456675662E-11 7.546985446074452E-10 -7.291929322973366E-10 1.109259563595305E-10
peri 2.489142948351829E-12 -5.954318385485265E-12 7.814211904201389E-9 -7.291929322973366E-10 2.527028846319017E-9 -1.471133167646362E-10
i -5.271202890768956E-14 1.315754261075776E-13 -1.6682570569402E-10 1.109259563595305E-10 -1.471133167646362E-10 1.700214538146724E-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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