Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
19336 (1997 AF)
Classification: Main-belt Asteroid          SPK-ID: 2019336
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

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.


[ revert to old Java-based viewer ]

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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456994.5 (2014-Dec-03.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3081065504565263 5.9041e-08  
q 1.767592284664374 1.5695e-07 au
tp 2457682.141681424512
(2016-Oct-20.64168142)
1.8937e-05 TDB
node 98.99965038534073 3.5283e-05 deg
peri 281.362717240406 3.5552e-05 deg
i 7.527714385718332 3.3954e-06 deg
  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
 Jupiter MOID = 2.16753 au 
 T_jup = 3.358 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.485864305524323E-15 -9.258481545537223E-15 -4.870518638805693E-14 6.428049412852145E-15 4.253486763938161E-14 -1.038782966615466E-14
q -9.258481545537223E-15 2.463210643856458E-14 1.30326237453356E-13 -1.546187363463237E-14 -1.202923157012772E-13 2.774232495875823E-14
tp -4.870518638805693E-14 1.30326237453356E-13 3.586204263162199E-10 1.019401998823579E-12 1.024401511368501E-10 1.5976782194028E-14
node 6.428049412852145E-15 -1.546187363463237E-14 1.019401998823579E-12 1.244921052676428E-9 -1.234403972248976E-9 -1.459487987306134E-11
peri 4.253486763938161E-14 -1.202923157012772E-13 1.024401511368501E-10 -1.234403972248976E-9 1.263959404671416E-9 1.430963576349416E-11
i -1.038782966615466E-14 2.774232495875823E-14 1.5976782194028E-14 -1.459487987306134E-11 1.430963576349416E-11 1.152877947632014E-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 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

[ show close-approach data ]
Alternate Designations
 1997 AF = 1998 HG136 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-18 09:09 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin