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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1271853684621728 4.5346e-08  
a 3.059929895196111 2.2076e-08 au
q 2.670751584007176 1.3735e-07 au
i 10.17730993396898 4.5002e-06 deg
node 225.4625186200516 2.7072e-05 deg
peri 68.89487041567533 3.1925e-05 deg
M 167.1872815047053 1.8278e-05 deg
tp 2458292.540708682909
(2018-Jun-23.04070868)
9.6955e-05 TDB
period 1955.084991707062
5.35
2.1158e-05
5.793e-08
d
yr
n .1841352174084615 1.9927e-09 deg/d
Q 3.449108206385046 2.4884e-08 au
  Orbit Determination Parameters
   # obs. used (total)      807  
   data-arc span      8509 days (23.30 yr)  
   first obs. used      1997-09-30  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51526  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 04:45:25  

Additional Information
 Earth MOID = 1.67431 au 
 Jupiter MOID = 1.76453 au 
 T_jup = 3.198 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457016.5 (2014-Dec-25.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1308651677119738 4.5377e-08  
q 2.655796755795672 1.3788e-07 au
tp 2456338.366635527723
(2013-Feb-14.86663553)
9.2312e-05 TDB
node 225.622413886151 2.7156e-05 deg
peri 68.52220989799675 3.1729e-05 deg
i 10.16455679947808 4.4971e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      807  
   data-arc span      8509 days (23.30 yr)  
   first obs. used      1997-09-30  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51526  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 04:45:25  

Additional Information
 Jupiter MOID = 1.76453 au 
 T_jup = 3.198 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.059113513315129E-15 -6.197559596403827E-15 4.24747218823366E-13 1.911681852878138E-15 4.015884695538889E-14 -2.758545670341055E-16
q -6.197559596403827E-15 1.900983258429964E-14 -1.363038796051935E-12 -4.304275260243746E-15 -1.134958548560456E-13 1.674660584777251E-15
tp 4.24747218823366E-13 -1.363038796051935E-12 8.521560371393857E-9 5.681840217588695E-13 1.541026269162132E-9 3.775503375419758E-13
node 1.911681852878138E-15 -4.304275260243746E-15 5.681840217588695E-13 7.374387825013268E-10 -7.258245274634707E-10 5.055603485209343E-12
peri 4.015884695538889E-14 -1.134958548560456E-13 1.541026269162132E-9 -7.258245274634707E-10 1.006725666763146E-9 -4.894012472878211E-12
i -2.758545670341055E-16 1.674660584777251E-15 3.775503375419758E-13 5.055603485209343E-12 -4.894012472878211E-12 2.022395671829542E-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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