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11751 (1999 NK37)
Classification: Main-belt Asteroid          SPK-ID: 2011751
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1052790913504928 1.3972e-08  
a 2.418235756072736 6.3106e-09 au
q 2.163646093002126 3.5412e-08 au
i 2.172084337362294 9.8626e-07 deg
node 339.9277835038177 2.5647e-05 deg
peri 227.1890992317824 2.5771e-05 deg
M 26.86339607024958 9.0046e-06 deg
tp 2459294.004499865101
(2021-Mar-20.50449987)
3.4339e-05 TDB
period 1373.55604451767
3.76
5.3767e-06
1.472e-08
d
yr
n .2620934190758962 1.0259e-09 deg/d
Q 2.672825419143345 6.975e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2981  
   data-arc span      14060 days (38.49 yr)  
   first obs. used      1983-02-10  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44493  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 20:39:05  

Additional Information
 Earth MOID = 1.16041 au 
 Jupiter MOID = 2.29024 au 
 T_jup = 3.507 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457165.5 (2015-May-23.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1058417045390046 1.3975e-08  
q 2.162585637431176 3.545e-08 au
tp 2456547.227207098066
(2013-Sep-11.72720710)
3.539e-05 TDB
node 339.9880224876023 2.5618e-05 deg
peri 227.3800765859318 2.5703e-05 deg
i 2.173711317253554 9.8666e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2981  
   data-arc span      14060 days (38.49 yr)  
   first obs. used      1983-02-10  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44493  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 20:39:05  

Additional Information
 Jupiter MOID = 2.29024 au 
 T_jup = 3.507 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.953011208262616E-16 -4.893787514074135E-16 1.947473078297663E-13 -1.632634057180635E-13 2.043217609092415E-13 -3.791048251577747E-15
q -4.893787514074135E-16 1.256689740391882E-15 -5.247435724908641E-13 3.842156299257315E-13 -4.926574080321104E-13 9.187176614484455E-15
tp 1.947473078297663E-13 -5.247435724908641E-13 1.252428471859597E-9 1.434489090017259E-10 1.423301705213844E-10 -1.936759563124941E-12
node -1.632634057180635E-13 3.842156299257315E-13 1.434489090017259E-10 6.562862126244374E-10 -6.253422423599069E-10 4.655787046828499E-12
peri 2.043217609092415E-13 -4.926574080321104E-13 1.423301705213844E-10 -6.253422423599069E-10 6.60633364908671E-10 -5.212398738583785E-12
i -3.791048251577747E-15 9.187176614484455E-15 -1.936759563124941E-12 4.655787046828499E-12 -5.212398738583785E-12 9.734941570933707E-13

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.61   n/a MPO614063  

11751 (1999 NK37)          Discovered 1999-Jul-14 by LINEAR at Socorro
Reference: 19990928/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 NK37 = 1983 CJ3 = 1987 FH = 1987 HQ2 = 1994 CZ18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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