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JPL Small-Body Database Browser
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52191 (4263 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2052191
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1974671795835099 4.2789e-08  
a 2.355993389818423 8.6491e-09 au
q 1.890762020013586 1.0011e-07 au
i 3.247124978018193 4.0486e-06 deg
node 101.8985658411195 7.0964e-05 deg
peri 324.2933317581292 7.1646e-05 deg
M 285.1590348661786 1.0888e-05 deg
tp 2459275.097391230040
(2021-Mar-01.59739123)
4.078e-05 TDB
period 1320.868332818183
3.62
7.2736e-06
1.991e-08
d
yr
n .2725479830619529 1.5008e-09 deg/d
Q 2.821224759623259 1.0357e-08 au
  Orbit Determination Parameters
   # obs. used (total)      873  
   data-arc span      16771 days (45.92 yr)  
   first obs. used      1973-09-19  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53549  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:20:40  

Additional Information
 Earth MOID = .905725 au 
 Jupiter MOID = 2.48439 au 
 T_jup = 3.526 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456610.5 (2013-Nov-14.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1984917972950554 4.3116e-08  
q 1.888177375893874 1.0117e-07 au
tp 2456631.831575351888
(2013-Dec-05.33157535)
3.3995e-05 TDB
node 101.9359508608544 7.1049e-05 deg
peri 323.9783966706369 7.1709e-05 deg
i 3.245844149493097 4.0483e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      873  
   data-arc span      16771 days (45.92 yr)  
   first obs. used      1973-09-19  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53549  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:20:40  

Additional Information
 Jupiter MOID = 2.48439 au 
 T_jup = 3.526 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.858960330769596E-15 -4.352175704513889E-15 -1.373710874713947E-13 -2.027454838502686E-14 -9.51733328614874E-14 -1.495016284888393E-15
q -4.352175704513889E-15 1.023506721717286E-14 3.854884898600134E-13 4.791236708304773E-14 2.378990277249473E-13 3.492007590820647E-15
tp -1.373710874713947E-13 3.854884898600134E-13 1.155677933837767E-9 8.012507213737087E-12 3.429886656973679E-10 -7.349400905873327E-13
node -2.027454838502686E-14 4.791236708304773E-14 8.012507213737087E-12 5.047937193308187E-9 -5.036022533737989E-9 -5.53429708810448E-11
peri -9.51733328614874E-14 2.378990277249473E-13 3.429886656973679E-10 -5.036022533737989E-9 5.142237834516075E-9 5.510420226876827E-11
i -1.495016284888393E-15 3.492007590820647E-15 -7.349400905873327E-13 -5.53429708810448E-11 5.510420226876827E-11 1.638833919240094E-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 15.9   n/a MPO337675  

52191 (4263 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 4263 T-2 = 1991 TZ13 = 1993 FC54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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