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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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1273001379235695 4.5347e-08  
a 3.059376608573368 2.2132e-08 au
q 2.669917544341835 1.3729e-07 au
i 10.17879340270282 4.5293e-06 deg
node 225.4704178503974 2.7129e-05 deg
peri 68.80331994524198 3.2034e-05 deg
M 130.4532384180426 1.8212e-05 deg
tp 2458292.227787577372
(2018-Jun-22.72778758)
9.7219e-05 TDB
period 1954.554747464828
5.35
2.1209e-05
5.807e-08
d
yr
n .1841851708001227 1.9986e-09 deg/d
Q 3.448835672804899 2.4949e-08 au
  Orbit Determination Parameters
   # obs. used (total)      793  
   data-arc span      8430 days (23.08 yr)  
   first obs. used      1997-09-30  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5182  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:48:06  

Additional Information
 Earth MOID = 1.67533 au 
 Jupiter MOID = 1.76539 au 
 T_jup = 3.198 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456995.5 (2014-Dec-04.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1308831891248942 4.5385e-08  
q 2.65571703897524 1.3789e-07 au
tp 2456338.384603027064
(2013-Feb-14.88460303)
9.2829e-05 TDB
node 225.6226281705746 2.7217e-05 deg
peri 68.5219271003679 3.1843e-05 deg
i 10.16464446880533 4.5256e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      793  
   data-arc span      8430 days (23.08 yr)  
   first obs. used      1997-09-30  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5182  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:48:06  

Additional Information
 Jupiter MOID = 1.76539 au 
 T_jup = 3.198 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.059753373206836E-15 -6.198536575847088E-15 4.188191997560066E-13 2.20531426898617E-15 3.86424222494287E-14 -3.58337787867655E-16
q -6.198536575847088E-15 1.901343758182889E-14 -1.364760805190452E-12 -5.329563423097948E-15 -1.128056391994654E-13 1.93417216276696E-15
tp 4.188191997560066E-13 -1.364760805190452E-12 8.617213627923098E-9 6.496658998310462E-13 1.560491855658235E-9 4.133309395935927E-13
node 2.20531426898617E-15 -5.329563423097948E-15 6.496658998310462E-13 7.407922660690274E-10 -7.291181625322889E-10 4.13579958832203E-12
peri 3.86424222494287E-14 -1.128056391994654E-13 1.560491855658235E-9 -7.291181625322889E-10 1.013950153563034E-9 -3.979681442364183E-12
i -3.58337787867655E-16 1.93417216276696E-15 4.133309395935927E-13 4.13579958832203E-12 -3.979681442364183E-12 2.048061823324142E-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

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