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146842 (2002 AA50)
Classification: Main-belt Asteroid          SPK-ID: 2146842
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 .0853551467633947 9.634e-08  
a 2.994129448911394 2.9406e-08 au
q 2.73856509037096 3.0423e-07 au
i 9.34933031322865 7.2933e-06 deg
node 289.8177969881096 3.8638e-05 deg
peri 53.80517769724139 5.2396e-05 deg
M 328.4011407928519 3.1073e-05 deg
tp 2459166.601360303281
(2020-Nov-13.10136030)
0.00016291 TDB
period 1892.362294384808
5.18
2.7878e-05
7.633e-08
d
yr
n .190238413155993 2.8026e-09 deg/d
Q 3.249693807451828 3.1916e-08 au
  Orbit Determination Parameters
   # obs. used (total)      444  
   data-arc span      7781 days (21.30 yr)  
   first obs. used      1999-07-14  
   last obs. used      2020-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50547  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 14:23:20  

Additional Information
 Earth MOID = 1.74194 au 
 Jupiter MOID = 2.09238 au 
 T_jup = 3.229 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457844.5 (2017-Apr-01.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08728969226898277 9.5931e-08  
q 2.729756563700891 3.0351e-07 au
tp 2457282.453352290957
(2015-Sep-16.95335229)
0.00016582 TDB
node 289.8783787815391 3.8723e-05 deg
peri 55.01310781950896 5.2007e-05 deg
i 9.341163608950506 7.2798e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      444  
   data-arc span      7781 days (21.30 yr)  
   first obs. used      1999-07-14  
   last obs. used      2020-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50547  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 14:23:20  

Additional Information
 Jupiter MOID = 2.09238 au 
 T_jup = 3.229 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.202772848839813E-15 -2.903943936541377E-14 3.958284143770818E-13 8.449890434910088E-14 8.016378533365188E-14 -1.723511413635462E-14
q -2.903943936541377E-14 9.212068304683371E-14 -2.640099912838064E-12 -2.623124457330706E-13 -5.174160476435135E-13 5.63048467294654E-14
tp 3.958284143770818E-13 -2.640099912838064E-12 2.749752213919851E-8 8.78460516051286E-12 5.821387142641915E-9 4.229735905050211E-12
node 8.449890434910088E-14 -2.623124457330706E-13 8.78460516051286E-12 1.499494288199223E-9 -1.476482715189968E-9 2.041990847623933E-10
peri 8.016378533365188E-14 -5.174160476435135E-13 5.821387142641915E-9 -1.476482715189968E-9 2.704713077721755E-9 -2.006005174456478E-10
i -1.723511413635462E-14 5.63048467294654E-14 4.229735905050211E-12 2.041990847623933E-10 -2.006005174456478E-10 5.299531278973879E-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 15.4   n/a MPO348317  
diameter diameter 2.891 km 0.562 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.193   0.165 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146842 (2002 AA50)          Discovered 2002-Jan-09 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Alternate Designations
 2002 AA50 = 1999 NY16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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