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376455 (2012 HU66)
Classification: Main-belt Asteroid          SPK-ID: 2376455
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1567669395544641 6.4746e-08  
a 2.849812028686799 3.7123e-08 au
q 2.403055718644071 1.8478e-07 au
i 9.30398749010334 9.8792e-06 deg
node 241.7496338115771 4.2322e-05 deg
peri 86.15039185239365 5.7347e-05 deg
M 162.4926779657649 3.5938e-05 deg
tp 2458207.352343987601
(2018-Mar-29.85234399)
0.00017229 TDB
period 1757.206292240576
4.81
3.4335e-05
9.4e-08
d
yr
n .2048706526886901 4.0031e-09 deg/d
Q 3.296568338729528 4.2943e-08 au
  Orbit Determination Parameters
   # obs. used (total)      121  
   data-arc span      6079 days (16.64 yr)  
   first obs. used      2003-06-05  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56399  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 02:45:59  

Additional Information
 Earth MOID = 1.41415 au 
 Jupiter MOID = 2.10889 au 
 T_jup = 3.268 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457162.5 (2015-May-20.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1572517894006307 6.3759e-08  
q 2.402113219185996 1.806e-07 au
tp 2456443.206338443350
(2013-May-30.70633844)
0.00016677 TDB
node 242.0907484594343 4.2459e-05 deg
peri 84.75354889537384 5.7208e-05 deg
i 9.290251649518746 9.8616e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      121  
   data-arc span      6079 days (16.64 yr)  
   first obs. used      2003-06-05  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56399  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 02:45:59  

Additional Information
 Jupiter MOID = 2.10889 au 
 T_jup = 3.268 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.065178386684018E-15 -1.134227301151405E-14 3.987044031148856E-12 -8.096276697626705E-15 1.061212289869224E-12 -1.274325201896401E-14
q -1.134227301151405E-14 3.26163747877692E-14 -1.11558022395657E-11 2.380779190933785E-14 -2.874160899174745E-12 3.88910046769103E-14
tp 3.987044031148856E-12 -1.11558022395657E-11 2.781140602740504E-8 -1.670134125711383E-11 6.403927417299807E-9 -3.068387605035912E-11
node -8.096276697626705E-15 2.380779190933785E-14 -1.670134125711383E-11 1.802727754119992E-9 -1.781712112757916E-9 -1.084259295672922E-10
peri 1.061212289869224E-12 -2.874160899174745E-12 6.403927417299807E-9 -1.781712112757916E-9 3.272791799964686E-9 9.930292413850744E-11
i -1.274325201896401E-14 3.88910046769103E-14 -3.068387605035912E-11 -1.084259295672922E-10 9.930292413850744E-11 9.725191961937594E-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 16.5   n/a MPO471856  

376455 (2012 HU66)          Discovered 2004-Nov-10 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-10-21

[ show close-approach data ]
Alternate Designations
 2012 HU66 = 2004 VO94 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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