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135009 (2001 JQ2)
Classification: Main-belt Asteroid          SPK-ID: 2135009
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2016800843492877 7.9844e-08  
a 2.594595624958471 1.3851e-08 au
q 2.071317360464554 2.0094e-07 au
i 8.079214906452032 6.035e-06 deg
node 157.3508257743707 3.7843e-05 deg
peri 226.9924506864445 3.9501e-05 deg
M 123.1627399856829 1.4318e-05 deg
tp 2458678.248386639963
(2019-Jul-13.74838664)
5.8326e-05 TDB
period 1526.521583000415
4.18
1.2223e-05
3.346e-08
d
yr
n .2358302719129665 1.8884e-09 deg/d
Q 3.117873889452388 1.6644e-08 au
  Orbit Determination Parameters
   # obs. used (total)      372  
   data-arc span      7268 days (19.90 yr)  
   first obs. used      2001-05-15  
   last obs. used      2021-04-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57799  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:20:36  

Additional Information
 Earth MOID = 1.08239 au 
 Jupiter MOID = 2.36437 au 
 T_jup = 3.375 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457438.5 (2016-Feb-20.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2010889920180381 7.9965e-08  
q 2.07264445475751 2.0109e-07 au
tp 2457146.787042809020
(2015-May-04.28704281)
5.2466e-05 TDB
node 157.4941973397548 3.7722e-05 deg
peri 226.0230082455014 3.9409e-05 deg
i 8.090381602986808 6.0453e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      372  
   data-arc span      7268 days (19.90 yr)  
   first obs. used      2001-05-15  
   last obs. used      2021-04-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57799  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:20:36  

Additional Information
 Jupiter MOID = 2.36437 au 
 T_jup = 3.375 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.394360624933254E-15 -1.6064116038197E-14 1.169163234279371E-12 -7.695516146677164E-14 1.116335565763963E-13 -1.276970493649159E-14
q -1.6064116038197E-14 4.043889530202963E-14 -2.796895263057249E-12 1.91888159715818E-13 -2.478065608957014E-13 3.192558319784986E-14
tp 1.169163234279371E-12 -2.796895263057249E-12 2.752662164039895E-9 -3.815214077032546E-11 6.255683052356616E-10 -8.59701551374793E-12
node -7.695516146677164E-14 1.91888159715818E-13 -3.815214077032546E-11 1.422947043584799E-9 -1.41440680583226E-9 8.865020916044916E-11
peri 1.116335565763963E-13 -2.478065608957014E-13 6.255683052356616E-10 -1.41440680583226E-9 1.55304549656617E-9 -8.927934481527943E-11
i -1.276970493649159E-14 3.192558319784986E-14 -8.59701551374793E-12 8.865020916044916E-11 -8.927934481527943E-11 3.654527593777178E-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 16.33   n/a MPCxxxxx  

135009 (2001 JQ2)          Discovered 2001-May-15 by Spacewatch at Kitt Peak
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

Alternate Designations
 2001 JQ2 = 2002 SR56 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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