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JPL Small-Body Database Browser
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20352 Pinakibose (1998 HC129)
Classification: Main-belt Asteroid          SPK-ID: 2020352
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04536288905216233 5.9214e-08  
a 2.327730593928717 1.1282e-08 au
q 2.222138009253004 1.3824e-07 au
i 6.149548341252612 5.7599e-06 deg
node 339.3717213284627 4.0182e-05 deg
peri 198.1381215350828 6.1731e-05 deg
M 99.86768946881296 4.6679e-05 deg
tp 2458640.651248458187
(2019-Jun-06.15124846)
0.0001679 TDB
period 1297.171800450112
3.55
9.4311e-06
2.582e-08
d
yr
n .2775268471570857 2.0178e-09 deg/d
Q 2.433323178604429 1.1794e-08 au
  Orbit Determination Parameters
   # obs. used (total)      837  
   data-arc span      9238 days (25.29 yr)  
   first obs. used      1994-01-15  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5398  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:51:45  

Additional Information
 Earth MOID = 1.22714 au 
 Jupiter MOID = 2.53541 au 
 T_jup = 3.564 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456567.5 (2013-Oct-02.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04553952980078085 5.9023e-08  
q 2.220873574797107 1.3787e-07 au
tp 2456047.577060423989
(2012-Apr-30.07706042)
0.00016649 TDB
node 339.4215243186198 4.0195e-05 deg
peri 197.9902020429903 6.1701e-05 deg
i 6.149655090482961 5.7587e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      837  
   data-arc span      9238 days (25.29 yr)  
   first obs. used      1994-01-15  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5398  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:51:45  

Additional Information
 Jupiter MOID = 2.53541 au 
 T_jup = 3.564 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.483769494235235E-15 -8.112544802149566E-15 6.190560413946079E-13 -1.349627607690593E-14 2.896585330811381E-13 -2.350480937232119E-17
q -8.112544802149566E-15 1.900808749212337E-14 -1.443412148295935E-12 3.067810949924096E-14 -6.648709587600522E-13 4.05279563501248E-16
tp 6.190560413946079E-13 -1.443412148295935E-12 2.771990942243737E-8 1.050145602036086E-11 7.798544716073117E-9 3.841459672925626E-12
node -1.349627607690593E-14 3.067810949924096E-14 1.050145602036086E-11 1.615669675344379E-9 -1.603480237618792E-9 4.699232204151265E-11
peri 2.896585330811381E-13 -6.648709587600522E-13 7.798544716073117E-9 -1.603480237618792E-9 3.807061761308857E-9 -4.567061051630679E-11
i -2.350480937232119E-17 4.05279563501248E-16 3.841459672925626E-12 4.699232204151265E-11 -4.567061051630679E-11 3.316316322411853E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO365495  

20352 Pinakibose           Discovered 1998 Apr. 19 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Pinaki Bose (b. 1992) is a finalist in the 2004 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for his environmental sciences project. He attends the Dunbar Middle School, Fort Worth, Texas.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20041028/MPCPages.arcLast Updated: 2004-10-29

Alternate Designations
 1998 HC129 = 1999 RM136 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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