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249826 (2001 HB51)
Classification: Main-belt Asteroid          SPK-ID: 2249826
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1326205221427489 5.998e-08  
a 2.456148127500116 1.4184e-08 au
q 2.130412480371116 1.4987e-07 au
i 4.33343599548672 4.5627e-06 deg
node 264.8278156122192 7.9722e-05 deg
peri 290.1635259595678 8.3184e-05 deg
M 352.9736660420124 2.1482e-05 deg
tp 2459027.941417823935
(2020-Jun-27.44141782)
8.3853e-05 TDB
period 1405.983614739273
3.85
1.2179e-05
3.334e-08
d
yr
n .2560485031447247 2.218e-09 deg/d
Q 2.781883774629117 1.6065e-08 au
  Orbit Determination Parameters
   # obs. used (total)      413  
   data-arc span      6970 days (19.08 yr)  
   first obs. used      2001-03-24  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55797  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 13:47:17  

Additional Information
 Earth MOID = 1.13369 au 
 Jupiter MOID = 2.20059 au 
 T_jup = 3.477 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457474.5 (2016-Mar-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1335416646022964 5.9936e-08  
q 2.12851202328707 1.4993e-07 au
tp 2457621.645756831668
(2016-Aug-21.14575683)
8.629e-05 TDB
node 264.8802127491797 7.9746e-05 deg
peri 290.1211931042332 8.3169e-05 deg
i 4.332562261661907 4.5635e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      413  
   data-arc span      6970 days (19.08 yr)  
   first obs. used      2001-03-24  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55797  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 13:47:17  

Additional Information
 Jupiter MOID = 2.20059 au 
 T_jup = 3.477 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.592273779068163E-15 -8.956830940780762E-15 -1.577709096882371E-12 5.615247158919016E-14 -2.748877462359785E-13 -5.160418054655271E-15
q -8.956830940780762E-15 2.247935576184007E-14 3.545118411237422E-12 -1.318580252340694E-13 5.674276632549801E-13 1.300618728732194E-14
tp -1.577709096882371E-12 3.545118411237422E-12 7.446002918478739E-9 -8.408663356437055E-11 2.071504388873511E-9 7.903933709180777E-12
node 5.615247158919016E-14 -1.318580252340694E-13 -8.408663356437055E-11 6.359469676346598E-9 -6.360703538663833E-9 1.387747858787931E-10
peri -2.748877462359785E-13 5.674276632549801E-13 2.071504388873511E-9 -6.360703538663833E-9 6.916999690672277E-9 -1.365276833871005E-10
i -5.160418054655271E-15 1.300618728732194E-14 7.903933709180777E-12 1.387747858787931E-10 -1.365276833871005E-10 2.082524413135398E-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 16.3   n/a MPO376666  

249826 (2001 HB51)          Discovered 2001-Apr-23 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ show close-approach data ]
Alternate Designations
 2001 HB51 = 2005 JF75 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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