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305618 (2009 AN19)
Classification: Main-belt Asteroid          SPK-ID: 2305618
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1613492384571776 8.6617e-08  
a 2.576642055460639 2.3733e-08 au
q 2.160902822035328 2.1892e-07 au
i 2.290855534570783 6.2563e-06 deg
node 242.0084377651757 0.00012136 deg
peri 327.6535595953966 0.0001223 deg
M 189.9354065612764 1.4821e-05 deg
tp 2459714.159362634917
(2022-May-14.65936264)
6.6723e-05 TDB
period 1510.70464082896
4.14
2.0872e-05
5.714e-08
d
yr
n .2382993937203101 3.2924e-09 deg/d
Q 2.99238128888595 2.7562e-08 au
  Orbit Determination Parameters
   # obs. used (total)      183  
   data-arc span      9711 days (26.59 yr)  
   first obs. used      1993-03-21  
   last obs. used      2019-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63721  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 07:40:07  

Additional Information
 Earth MOID = 1.15602 au 
 Jupiter MOID = 1.97721 au 
 T_jup = 3.407 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457470.5 (2016-Mar-23.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1611193155337569 8.6697e-08  
q 2.161974418335532 2.1902e-07 au
tp 2458204.547632975937
(2018-Mar-27.04763298)
5.8631e-05 TDB
node 242.0167645752934 0.00012146 deg
peri 327.8749696969664 0.0001224 deg
i 2.289299055029962 6.2559e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      183  
   data-arc span      9711 days (26.59 yr)  
   first obs. used      1993-03-21  
   last obs. used      2019-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63721  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 07:40:07  

Additional Information
 Jupiter MOID = 1.97721 au 
 T_jup = 3.407 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.516403530482294E-15 -1.891449288829912E-14 5.930953180077959E-13 2.435475181976148E-14 -2.918196911302324E-13 1.828092597382667E-15
q -1.891449288829912E-14 4.797106344897872E-14 -1.269266448157202E-12 -6.314278545074041E-14 7.398993706980904E-13 -4.66010643353443E-15
tp 5.930953180077959E-13 -1.269266448157202E-12 3.437568888605618E-9 -2.055610669137628E-12 8.477462660818579E-10 -9.98963335159582E-13
node 2.435475181976148E-14 -6.314278545074041E-14 -2.055610669137628E-12 1.475134251771252E-8 -1.474052901241518E-8 -1.999804445841104E-10
peri -2.918196911302324E-13 7.398993706980904E-13 8.477462660818579E-10 -1.474052901241518E-8 1.498291993801265E-8 1.994662871050151E-10
i 1.828092597382667E-15 -4.66010643353443E-15 -9.98963335159582E-13 -1.999804445841104E-10 1.994662871050151E-10 3.913626274583629E-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 16.8   n/a MPO437357  

305618 (2009 AN19)          Discovered 2009-Jan-02 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2009 AN19 = 1993 FQ71 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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