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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 | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3056357438238107 5.8962e-08  
a 2.557898047821919 1.2446e-08 au
q 1.776112975350393 1.5659e-07 au
i 7.529188217344489 3.3953e-06 deg
node 98.95673034574706 3.5217e-05 deg
peri 281.2029107578369 3.5499e-05 deg
M 318.0311929110384 5.294e-06 deg
tp 2459174.699697658825
(2020-Nov-21.19969766)
2.2621e-05 TDB
period 1494.250027746703
4.09
1.0905e-05
2.986e-08
d
yr
n .2409235357638724 1.7583e-09 deg/d
Q 3.339683120293444 1.6249e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1565  
   data-arc span      23629 days (64.69 yr)  
   first obs. used      1955-11-24  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47664  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 01:26:40  

Additional Information
 Earth MOID = .797616 au 
 Jupiter MOID = 2.16753 au 
 T_jup = 3.358 
[ show covariance matrix ]

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 14.0   n/a MPO474021  
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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1948-Feb-20 21:01 00:01 Vesta 0.025505795863128 0.0255034702731544 0.0255081233597566 7.20224084863771 7.20224020091654 2432602.375724295 1.09466977124492 428.388229299362 62.4987398548134 76.6951272141994 59366.6689729179 T 31 CATAB v2.0f-lin.ifort 2020-Aug-25 01:26:54 2020-Aug-25 01:26
2013-Jun-26 22:44 < 00:01 Vesta 0.0345684308069513 0.034567007323491 0.0345698543012416 7.28318881375294 7.28318834115332 2456470.447254443 0.163020656377731 97.9305974970237 63.2682057172681 -64.6597352831565 77150.81069572 T 31 CATAB v2.0f-lin.ifort 2020-Aug-25 01:26:54 2020-Aug-25 01:26

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