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 ]  
136290 (2004 AH6)
Classification: Main-belt Asteroid          SPK-ID: 2136290
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04864358031581453 4.691e-08  
a 3.079923882536685 3.4271e-08 au
q 2.930105357789917 1.4295e-07 au
i 11.02038938744734 5.4209e-06 deg
node 141.6314641639027 2.7663e-05 deg
peri 46.67997975544833 6.3396e-05 deg
M 345.3516367304256 5.8248e-05 deg
tp 2459280.833188139258
(2021-Mar-07.33318814)
0.0003198 TDB
period 1974.278436294754
5.41
3.2953e-05
9.022e-08
d
yr
n .1823451005601993 3.0435e-09 deg/d
Q 3.229742407283454 3.5938e-08 au
  Orbit Determination Parameters
   # obs. used (total)      430  
   data-arc span      6646 days (18.20 yr)  
   first obs. used      2002-11-07  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56783  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:40:48  

Additional Information
 Earth MOID = 1.94527 au 
 Jupiter MOID = 1.77147 au 
 T_jup = 3.198 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457111.5 (2015-Mar-30.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05116905758336882 4.6721e-08  
q 2.924931082615176 1.4311e-07 au
tp 2457305.056254564335
(2015-Oct-09.55625456)
0.00029825 TDB
node 141.6634850713142 2.7644e-05 deg
peri 46.40076903273686 6.1006e-05 deg
i 11.02147124457843 5.4225e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      430  
   data-arc span      6646 days (18.20 yr)  
   first obs. used      2002-11-07  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56783  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:40:48  

Additional Information
 Jupiter MOID = 1.77147 au 
 T_jup = 3.198 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.182880284204158E-15 -6.515587007178926E-15 2.861353503516596E-13 -3.122896456730808E-15 6.966905717604062E-14 5.400655710247725E-16
q -6.515587007178926E-15 2.048073692160692E-14 9.594632941518679E-13 6.839753229078031E-15 9.872310680851282E-14 -5.654127640429458E-16
tp 2.861353503516596E-13 9.594632941518679E-13 8.895378135012618E-8 1.543272533884601E-11 1.625584167101415E-8 4.854020400880458E-12
node -3.122896456730808E-15 6.839753229078031E-15 1.543272533884601E-11 7.642172844485339E-10 -7.470001732241728E-10 -7.469711624320151E-12
peri 6.966905717604062E-14 9.872310680851282E-14 1.625584167101415E-8 -7.470001732241728E-10 3.721790626341632E-9 8.173226664147898E-12
i 5.400655710247725E-16 -5.654127640429458E-16 4.854020400880458E-12 -7.469711624320151E-12 8.173226664147898E-12 2.940332513653001E-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 15.26   n/a E2021B55  
diameter diameter 2.859 km 0.228 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.197   0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

136290 (2004 AH6)          Discovered 2004-Jan-13 by NEAT at Palomar
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Feb-28 22:55 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin