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108307 (2001 JK1)
Classification: Main-belt Asteroid          SPK-ID: 2108307
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1814021876743779 3.9184e-08  
a 2.316862843663279 1.0762e-08 au
q 1.89657885528128 9.0866e-08 au
i 1.486649152049511 4.5074e-06 deg
node 206.1212931055574 0.00017947 deg
peri 20.29293316391001 0.00018001 deg
M 153.0047935788672 1.394e-05 deg
tp 2458453.041188274874
(2018-Nov-30.54118827)
4.8176e-05 TDB
period 1288.098023670459
3.53
8.9752e-06
2.457e-08
d
yr
n .279481835531564 1.9474e-09 deg/d
Q 2.737146832045278 1.2715e-08 au
  Orbit Determination Parameters
   # obs. used (total)      365  
   data-arc span      7730 days (21.16 yr)  
   first obs. used      1998-08-24  
   last obs. used      2019-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56994  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 12:44:06  

Additional Information
 Earth MOID = .887162 au 
 Jupiter MOID = 2.24599 au 
 T_jup = 3.558 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457215.5 (2015-Jul-12.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1809461472542576 3.9234e-08  
q 1.897928403037937 9.098e-08 au
tp 2457164.517882667464
(2015-May-22.01788267)
4.5388e-05 TDB
node 206.1356760012249 0.00017948 deg
peri 20.31621743300444 0.00018002 deg
i 1.486148172259026 4.508e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      365  
   data-arc span      7730 days (21.16 yr)  
   first obs. used      1998-08-24  
   last obs. used      2019-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56994  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 12:44:06  

Additional Information
 Jupiter MOID = 2.24599 au 
 T_jup = 3.558 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.539295980727898E-15 -3.5526577073038E-15 -5.438751757132378E-14 1.185522559821687E-14 -2.768775300377614E-14 1.442463476201502E-16
q -3.5526577073038E-15 8.277394722593749E-15 2.204888285927248E-13 -2.679098306655602E-14 9.017934855603779E-14 -3.219593241663417E-16
tp -5.438751757132378E-14 2.204888285927248E-13 2.060086971612572E-9 -1.485933876282103E-11 6.52955353089359E-10 -1.024048145183531E-14
node 1.185522559821687E-14 -2.679098306655602E-14 -1.485933876282103E-11 3.221200460115885E-8 -3.220524122923817E-8 -3.712499642401759E-11
peri -2.768775300377614E-14 9.017934855603779E-14 6.52955353089359E-10 -3.220524122923817E-8 3.240722171212998E-8 3.71230944773763E-11
i 1.442463476201502E-16 -3.219593241663417E-16 -1.024048145183531E-14 -3.712499642401759E-11 3.71230944773763E-11 2.032197640415729E-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 16.9   n/a MPO436520  

108307 (2001 JK1)          Discovered 2001-May-13 by Robinson, L. at Olathe
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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