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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
(2019 AK8)
Classification: Apollo [NEO]          SPK-ID: 3837778
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3803082849730954 8.5644e-07  
a 1.276684356758479 2.7793e-07 au
q .7911507185876822 1.2655e-06 au
i 7.129189986522031 0.00012563 deg
node 98.28472178896536 0.00011068 deg
peri 277.6134895861142 0.00018688 deg
M 308.6921935670347 2.9299e-05 deg
tp 2459471.593903325212
(2021-Sep-14.09390333)
6.1483e-05 TDB
period 526.8945814784814
1.44
0.00017205
4.71e-07
d
yr
n .6832486281977499 2.2311e-07 deg/d
Q 1.762217994929275 3.8363e-07 au
  Orbit Determination Parameters
   # obs. used (total)      32  
   data-arc span      914 days (2.50 yr)  
   first obs. used      2019-01-08  
   last obs. used      2021-07-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      2  
   norm. resid. RMS      .33775  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-10 06:22:34  

Additional Information
 Earth MOID = .018456 au 
 Jupiter MOID = 3.71522 au 
 T_jup = 4.985 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458910.5 (2020-Mar-02.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3801503301998668 8.565e-07  
q .7913498785515234 1.2656e-06 au
tp 2458944.725728332865
(2020-Apr-05.22572833)
0.00012485 TDB
node 98.28746929106427 0.00011069 deg
peri 277.6163712972925 0.00018691 deg
i 7.129049489293715 0.00012562 deg
  Orbit Determination Parameters
   # obs. used (total)      32  
   data-arc span      914 days (2.50 yr)  
   first obs. used      2019-01-08  
   last obs. used      2021-07-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      2  
   norm. resid. RMS      .33775  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-10 06:22:34  

Additional Information
 Jupiter MOID = 3.71522 au 
 T_jup = 4.985 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.335882202854777E-13 -1.083980965367482E-12 1.019991135736744E-10 -7.1211465958069E-11 1.392263726550643E-10 -9.719303908723672E-11
q -1.083980965367482E-12 1.601786602393182E-12 -1.509605821352211E-10 1.054681763647533E-10 -2.061656781563625E-10 1.437777059205042E-10
tp 1.019991135736744E-10 -1.509605821352211E-10 1.558848654841435E-8 -1.127505330643761E-8 2.189130405920807E-8 -1.440922366668681E-8
node -7.1211465958069E-11 1.054681763647533E-10 -1.127505330643761E-8 1.22513383193789E-8 -1.995945240306086E-8 1.326374913521917E-8
peri 1.392263726550643E-10 -2.061656781563625E-10 2.189130405920807E-8 -1.995945240306086E-8 3.493524740448572E-8 -2.299046461753013E-8
i -9.719303908723672E-11 1.437777059205042E-10 -1.440922366668681E-8 1.326374913521917E-8 -2.299046461753013E-8 1.578125050722392E-8

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 24.29   .20811 MPO641043 autocmod 2.6q

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-25 23:04 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin