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19336 (1997 AF)
Classification: Main-belt Asteroid          SPK-ID: 2019336
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 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3054468555266426 5.5905e-08  
a 2.557055999774009 1.0658e-08 au
q 1.776011285237502 1.4829e-07 au
i 7.529012029258161 2.7317e-06 deg
node 98.95497929327111 3.2149e-05 deg
peri 281.2395153307516 3.2514e-05 deg
M 6.199650739807463 4.4247e-06 deg
tp 2459174.779849296696
(2020-Nov-21.27984930)
1.8301e-05 TDB
period 1493.512238316357
4.09
9.3376e-06
2.556e-08
d
yr
n .2410425510847033 1.507e-09 deg/d
Q 3.338100714310515 1.3913e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2044  
   data-arc span      23858 days (65.32 yr)  
   first obs. used      1955-11-24  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44094  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:53:00  

Additional Information
 Earth MOID = .796249 au 
 Jupiter MOID = 2.17015 au 
 T_jup = 3.358 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457470.5 (2016-Mar-23.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3080116478492606 5.5964e-08  
q 1.768356921002284 1.4874e-07 au
tp 2457682.037642140154
(2016-Oct-20.53764214)
1.7075e-05 TDB
node 99.00131325508515 3.2206e-05 deg
peri 281.3034693805769 3.2555e-05 deg
i 7.527093249588656 2.7306e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2044  
   data-arc span      23858 days (65.32 yr)  
   first obs. used      1955-11-24  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44094  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:53:00  

Additional Information
 Jupiter MOID = 2.17015 au 
 T_jup = 3.358 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.131990023052975E-15 -8.31881578697936E-15 -2.349115466850695E-14 4.718060327589694E-14 3.117343094289967E-15 -1.685385357815703E-14
q -8.31881578697936E-15 2.212266417087746E-14 3.447475362975239E-14 -1.244384174700193E-13 -1.713547528744304E-14 4.497136757594007E-14
tp -2.349115466850695E-14 3.447475362975239E-14 2.915516332195937E-10 -4.441884245164685E-12 1.004825926127502E-10 7.082024626281577E-13
node 4.718060327589694E-14 -1.244384174700193E-13 -4.441884245164685E-12 1.037217689074494E-9 -1.029199392416479E-9 2.968148155547093E-12
peri 3.117343094289967E-15 -1.713547528744304E-14 1.004825926127502E-10 -1.029199392416479E-9 1.05984493009133E-9 -3.020884686482392E-12
i -1.685385357815703E-14 4.497136757594007E-14 7.082024626281577E-13 2.968148155547093E-12 -3.020884686482392E-12 7.456099713627991E-12

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.97   n/a MPCxxxxx  
diameter diameter 5.941 km 0.138 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.138   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19336 (1997 AF)          Discovered 1997-Jan-02 by Kobayashi, T. at Oizumi
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 AF = 1998 HG136 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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