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46265 (2001 HC51)
Classification: Main-belt Asteroid          SPK-ID: 2046265
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1273001378435696 4.5347e-08  
a 3.059376608381291 2.2162e-08 au
q 2.66991754441896 1.3729e-07 au
i 10.17879354516233 4.5363e-06 deg
node 225.4704175649089 2.7157e-05 deg
peri 68.80332026969107 3.2077e-05 deg
M 130.4532384320131 1.8228e-05 deg
tp 2458292.227787568222
(2018-Jun-22.72778757)
9.7324e-05 TDB
period 1954.554747280759
5.35
2.1238e-05
5.815e-08
d
yr
n .1841851708174682 2.0014e-09 deg/d
Q 3.448835672343622 2.4984e-08 au
  Orbit Determination Parameters
   # obs. used (total)      789  
   data-arc span      8153 days (22.32 yr)  
   first obs. used      1997-09-30  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51832  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:24:20  

Additional Information
 Earth MOID = 1.67533 au 
 Jupiter MOID = 1.76539 au 
 T_jup = 3.198 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456986.5 (2014-Nov-25.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1308898122938127 4.5386e-08  
q 2.655689404368834 1.379e-07 au
tp 2456338.391953201362
(2013-Feb-14.89195320)
9.2978e-05 TDB
node 225.6226896129315 2.7246e-05 deg
peri 68.52204868767441 3.1884e-05 deg
i 10.16467324766869 4.5326e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      789  
   data-arc span      8153 days (22.32 yr)  
   first obs. used      1997-09-30  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51832  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:24:20  

Additional Information
 Jupiter MOID = 1.76539 au 
 T_jup = 3.198 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.059885081469852E-15 -6.198847475555552E-15 4.178868392485471E-13 2.208673616972831E-15 3.844198624781766E-14 -3.573770161495048E-16
q -6.198847475555552E-15 1.90151315354024E-14 -1.367738604556198E-12 -5.394576714115202E-15 -1.133330939764161E-13 1.934928129141914E-15
tp 4.178868392485471E-13 -1.367738604556198E-12 8.644983641454943E-9 6.521603376244919E-13 1.566143354226788E-9 4.275595260861639E-13
node 2.208673616972831E-15 -5.394576714115202E-15 6.521603376244919E-13 7.423420151531524E-10 -7.306457086897067E-10 3.821454872201032E-12
peri 3.844198624781766E-14 -1.133330939764161E-13 1.566143354226788E-9 -7.306457086897067E-10 1.016605311883206E-9 -3.667126500516851E-12
i -3.573770161495048E-16 1.934928129141914E-15 4.275595260861639E-13 3.821454872201032E-12 -3.667126500516851E-12 2.054434438557203E-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 14.5   n/a MPO502464  

46265 (2001 HC51)          Discovered 2001-Apr-23 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 2001 HC51 = 1997 SF29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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